TW468368B - Noise filter, electronic apparatus subjected to noise countermeasure, and method for removing noise - Google Patents

Noise filter, electronic apparatus subjected to noise countermeasure, and method for removing noise Download PDF

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Publication number
TW468368B
TW468368B TW089112507A TW89112507A TW468368B TW 468368 B TW468368 B TW 468368B TW 089112507 A TW089112507 A TW 089112507A TW 89112507 A TW89112507 A TW 89112507A TW 468368 B TW468368 B TW 468368B
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Taiwan
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noise
patent application
electronic device
noise filter
scope
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TW089112507A
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Chinese (zh)
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Yutaka Saito
Masahiro Onizuka
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Tdk Corp
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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/06Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of magnetostrictive resonators or networks
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields

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  • Filters And Equalizers (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

In a noise filter that removes noise from a power source line or a signal line, in which a noise is overlapped to a power source current or an electronic signal current that is inputted to the power source line or the signal line, noise is removed by winding a conducting wire around a magnetic material, which is used for the magnetic core. The frequency characteristic for the impedance of the noise filter has a maximum value similar to the specific frequency of an LC parallel circuit. The removal of noise is conducted including the self-resonance frequency, i.e. the self-resonance frequency region of the specific frequency. The noise filter contains an impedance frequency characteristic similar to the impedance frequency characteristics of an LC parallel circuit, and additionally, is capable of effectively removing the noise that has the specific frequency.

Description

46B 368 五、發明說明(1) 發明領域: 濟、、皮Ϊ發明係關於一用於測量電子敎置中才雜π夕独 發明背景: 裝置’ 一移除雜訊之方法。 障,因此^ 、(此後簡稱為雜訊)會使電子裝置發生故 子裝置愈來愈小且有較高的賴率、的問題1為近來的電 的雜訊係在較傳& M 所以在這些裝置中產生 率區)。又,如行動電話之可攜★ ^產(此後稱為高頻 任何時間任何地A D 式電子裝置的普及化,在 彳Jw地點產生的雜钒#搵 ^ 之電子裝置發生故障。式電子裝置附近 統,醫院中的醫療私 飛^駕駛艙中之飛行控制系 到雜訊的影響而以:::心律調節器皆有可能受 的使用在這也電子裝式作業。因此可搞式電子裝置 吼右备占:s裝附近受到限制。如上所述,因為雜 ^ 1生命,雜訊的測量是一嚴重的社會問題。 則’在雜訊的規範中有自主性的控制及法律上的控 ’ 51 : 4見的是雜訊的規範在未來會變得愈來愈嚴。 已提出並使用各種雜訊濾波器及防雜訊裝置。雜訊在 較交流信號電流之正放大為高之頻率區產纟。因此,防雜 讯組件應在產生雜訊的頻率區具有高阻抗。 *、 傳統的防雜訊組件的典型範例包括電阻元件,線圈, 電容器’ LC組合組件,鐵氧體磁心等等,這些防雜訊組俾 在各種電子裝置中被使1 (1 )首先,因為電隍元件可以將46B 368 V. Description of the invention (1) Field of the invention: The invention of the invention is related to a method for measuring the noise of electronic devices. Background: Device '-a method for removing noise. Obstacles, so ^, (hereinafter referred to as noise) will cause electronic devices to become smaller and have higher reliance rates. The problem is that the recent electrical noise is more common than the & M. Rate zone in these devices). In addition, as mobile phones are portable ★ ^ production (hereinafter referred to as the high-frequency anytime, anywhere, the popularization of AD-type electronic devices, the electronic devices of hetero vanadium # 搵 ^ generated at 彳 Jw place have failed. Near the electronic devices System, the medical private flight in the hospital ^ flight control in the cockpit is affected by noise and the ::: heart rate regulators are likely to be used here and also installed electronically. Therefore, electronic devices can be used Youbizhan: The vicinity of the device is restricted. As mentioned above, the measurement of noise is a serious social problem because of the noise ^ 1 life. Then, 'there is an autonomous control and legal control in the specification of noise' 51: 4 Seeing that the noise specifications will become more stringent in the future. Various noise filters and anti-noise devices have been proposed and used. Noise is amplified in the frequency region higher than the positive of the AC signal current Therefore, anti-noise components should have high impedance in the frequency region where noise is generated. *, Typical examples of traditional anti-noise components include resistance elements, coils, capacitors' LC combination components, ferrite cores, etc. , These anti-noise Group 俾 is used in various electronic devices 1 (1) First, because the electric 隍 component can

第4頁 δ 8 36 8 五、發明說明(2) · ' 〜- 電流轉換成熱’他們可將雜訊電流轉換成可被移除之 熱。然而’電阻原件在頻率區不受限制,他們不僅對於直 流電為一電阻,對交流電亦是一電阻。因此電阻元件不僅 影響雜訊電流’亦會影響信號電流。假使電阻元件對信號 電流為一電阻’則信號電流之波形會因而變得不清楚或被 減弱’這會對裝置的操作造成不利的影響。近年來,大大 的發展了可攜式電子裝置。這些電子裝置有如何減少電子 功率消耗以延長其壽命的問題。結果,因為隨著電旦增加 電子消耗功率’會增加對信號電流之作周,所以最好不要 使用電阻元件來移除雜訊。 (2 )線圈係由金屬電子導線所纏 繞’並不受到直流電電阻的作用(實際上,導體所含 有的電阻被作用),但是受到交流電電阻(阻抗)的作 用。阻抗具有一頻率特性。更具體的說,在交流信號電流 的情況下,線圈的阻抗係由2= j ω L來表示(其中J為一複 數,ω為角頻率’而L係一電感:其中ω係由2ττί來表示 [f係一頻率’ L之值係由纏繞數,橫切面,及線圈的磁性 路徑長度所决定]),且頻率愈高,線圈的阻抗愈大。 結果,假使線圈被用來測量雜訊,.線圈做為電阻受到 直流電的作兩’但是只受到交流電的作用來移除雜訊。關 於交流信號電流’線圈可被選擇使得阻抗在信號電流的頻 率區為低,而在雜訊發生之頻率區為高。這樣雜訊即可被 移除。如上所述’在利用線圈的情況下,與電阻元件比較 較難影響信號電流’可以減少電氣功率消耗,假設線圈適Page 4 δ 8 36 8 V. Description of the invention (2) · '~-Current is converted into heat ’They can convert noise current into heat which can be removed. However, the 'resistance elements' are not limited in the frequency region. They are not only a resistance for DC power, but also a resistance for AC power. Therefore, the resistance element affects not only the noise current 'but also the signal current. If the resistive element is a resistor to the signal current, the waveform of the signal current will therefore become unclear or weakened, which will adversely affect the operation of the device. In recent years, portable electronic devices have been greatly developed. These electronic devices have the problem of how to reduce the power consumption of the electronics to extend their life. As a result, since the electronic power consumption increases with the denier, the cycle of the signal current is increased, so it is better not to use a resistive element to remove noise. (2) The coil is wound by a metal electronic wire 'and is not affected by the DC resistance (actually, the resistance contained in the conductor is affected), but is affected by the AC resistance (impedance). The impedance has a frequency characteristic. More specifically, in the case of AC signal current, the impedance of the coil is represented by 2 = j ω L (where J is a complex number, ω is the angular frequency 'and L is an inductance: where ω is represented by 2ττί [The value of f is a frequency 'L is determined by the number of windings, the cross section, and the length of the magnetic path of the coil]), and the higher the frequency, the greater the impedance of the coil. As a result, if the coil is used to measure noise, the coil acts as a resistor and receives two direct currents, but only receives alternating current to remove the noise. The AC signal current 'coil can be selected so that the impedance is low in the frequency region of the signal current and high in the frequency region where noise occurs. This way the noise can be removed. As described above, “in the case of using a coil, it is more difficult to affect the signal current compared with a resistance element” can reduce electrical power consumption, assuming that the coil is suitable

第5頁 4683¾¾ 468368Page 5 4683¾¾ 468368

‘發明說明(3) 用於最近的雜訊測f :而,線圈有以下的缺點、綠圈的阻抗 不通過,但是不能通過的雜訊會在線圈上反射= 的ίί雜訊之源。由於返回產生雜訊之源之雜訊影響電路 =致動,其係產生雜訊之源,有時引起電子裝置的功能故 $ 6此外,為了增加線圈之阻抗’增加線圈之纏繞數目, €加線圈之橫切面,及/或増加線圈的磁性路徑長度。然 而,假使線圈的纏繞圈數目増加,含在線圈纏繞數目之電 阻成分亦增加,則電氣功率消耗與電阻元件的情況一樣會 增加。 (3 )與線圈相似的’電容器具有對交流信號電流之阻| 抗頻率特性,所以假使選擇電容器使得阻抗在雜訊發生之| 頻率區為高,則雜訊可被移除。然而,與線圈相似,雜訊 係在電容器上被反射’反射會使電子裝置發生故障,其為 產生雜訊之源。又’直流電不能通過電容器,所以電容器 並不適用於直流信號電流。 在具有GND的電路的情況下’雜訊利用電容器直接流 過電路到GND。在此種方法中’為了使雜訊容易流通至 GND,電容器在產生雜訊之頻率區之阻抗是低的。更具體 的說’因為雜訊利用電容器,其阻抗在產生雜訊的頻率區 為低’輕易的通過一線,所以雜訊流到Gnd。然而抵達gnd 之雜況會影響其他電路及/或使不穩定,而使裝置發生 故障。結果’利用電容來測量雜訊亦不是好方法。 (4 )做為防雜訊組件,可提及1(:組合組件。LC組合‘Explanation of invention (3) is used for recent noise measurement f: However, the coil has the following disadvantages, the impedance of the green circle does not pass, but the noise that cannot pass will be reflected on the coil. Because the noise affecting circuit that returns the source that generates noise = actuation, it is the source that generates noise and sometimes causes the function of the electronic device. Therefore, in order to increase the impedance of the coil, 'the number of windings of the coil is increased. Cross section of the coil and / or increase the magnetic path length of the coil. However, if the number of windings of the coil is increased and the resistance component contained in the number of windings of the coil is also increased, the electrical power consumption will increase as in the case of the resistance element. (3) The capacitor similar to the coil has the resistance to the AC signal current | anti-frequency characteristics, so if the capacitor is selected so that the impedance occurs in the frequency range | the noise can be removed. However, similar to coils, noise is reflected on capacitors' reflections that can cause electronic devices to malfunction, which is a source of noise. Also, DC power cannot pass through capacitors, so capacitors are not suitable for DC signal currents. In the case of a circuit with GND, the 'noise' flows directly through the circuit to GND using a capacitor. In this method ', in order to make noise easily flow to GND, the impedance of the capacitor in the frequency region where the noise is generated is low. More specifically, because the noise uses a capacitor, its impedance is low in the frequency region where the noise is generated, and it easily passes through a line, so the noise flows to Gnd. However, noise that arrives at the gnd can affect other circuits and / or destabilize the device and cause it to malfunction. As a result, it is also not a good method to use capacitors to measure noise. (4) As an anti-noise component, mention 1 (: combination component. LC combination

第6頁 468368 五、發明說明(4)Page 6 468368 V. Description of the invention (4)

組件係一包含上述線圈及電容之電路。LC組合組件矸藉由 選擇如何連接線圈及電容及選擇線圏及電容而具有適當的 阻抗。結果,雜訊可藉由增加欲被移除之雜訊之阻抗而被 移除。然而,相似於上述之線圈及電容,因為LC組合组件 藉由雜訊的反射來測量雜訊,所以雜訊回到產生雜訊之 源。結果,由於雜訊回到產生雜訊之源,電路的致動,其 係產生雜訊之源,會有不好的影響DA component is a circuit including the above-mentioned coil and capacitor. The LC combination module has proper impedance by choosing how to connect the coil and capacitor and selecting the wire and capacitor. As a result, noise can be removed by increasing the impedance of the noise to be removed. However, similar to the coils and capacitors described above, because the LC combination component measures the noise by the reflection of the noise, the noise returns to the source of the noise. As a result, since the noise returns to the source that generates the noise and the circuit is actuated, it is the source that generates the noise, which will have a bad influence D

(5 )除了上述之電阻元件’線圈,電容,及LC組合 組件’亦可提及其中信號線纏繞磁心(例如鐵氧體磁心) 之有效防雜訊組件。鐵氧體係一氧化物磁鐵,而立方晶 鐵氧體(尖晶石型)由Mn,Zn,Ni,Cu,Fe等紅成,=一 直兩在測量雜訊的應用上。由鐵氧體代表之磁性且 一磁性透磁率’而假使具有磁性透磁率之材料 夹傲Z 纏繞圈數來增加…達成此一目的,二藉由小數目的 增加之電阻可藉由減少纏繞數目但增加阻^縷繞數目而 由鐵氧體表示之磁性材料之磁性透磁調節。 成一實數(#,)及一虛數(从’,),且 、以)被切割 示H’-je,’。在這個公式中,以,下一列。方裎式表 並且在磁性物質被纏繞時做為電阻成分。因損失部分, 電容不同的情形是’雜訊可被轉換成熱而 匕與線圈或 在導線纏繞鐵氧體之防雜訊組件中反射雜訊。 作用在直流電上,但是如線圈般以阻抗用=亚不以阻抗 選擇性的移除雜訊。 用在交流電上以(5) In addition to the above-mentioned resistance element 'coil, capacitor, and LC combination module', an effective noise-proof component in which signal lines are wound around a magnetic core (such as a ferrite core) can also be mentioned. The ferrite system is a monoxide magnet, while the cubic ferrite (spinel type) is made of Mn, Zn, Ni, Cu, Fe, etc., and it is always used to measure noise. Magnetism represented by ferrite and a magnetic permeability, and if the material with magnetic permeability is sandwiched with Z winding turns to increase the number ... To achieve this goal, by increasing the resistance by a small number, you can reduce the number of windings. However, increasing the number of resistance windings and adjusting the magnetic permeability of a magnetic material represented by ferrite. Into a real number (#,) and an imaginary number (from ',), and, to) are cut to show H'-je,'. In this formula, the next column. Square meter and as resistance component when magnetic substance is wound. Due to the loss, the capacitance is different. Noise can be converted into heat and the noise is reflected in the coil or the anti-noise component where the wire is wound with ferrite. Acts on direct current, but uses the impedance like a coil to selectively remove noise with impedance. Used on alternating current

4 6 8 36 8 五、發明說明(5) 為是ii所冑’以導線繞磁性物質之防雜訊組件可被認 形線ί = Τ雜訊。此種防雜訊組件,可以提及螺線形或環 式(分割或不分割形式)之鐵氧體磁心,且可藉由 插入一纜線進入組件或繞著纜線纏繞組件來使用。又,有 一導線,料插入鐵氧體之表面安裝形式(分層形式)絚 :。鐵氧體磁心至此被闬作一便宜的防雜訊組件,其可輕 2,裝。然而’具有導線纏繞在鐵氧體磁心之雜訊滤 寬頻區之尚阻抗,因此具有缺乏在特定頻率區產 生之雜訊之選擇性移除之性質。此外,傳統上,被主要使 同的尖晶石鐵氧體之頻率特性係根據所謂,,蛇限制線 jsnake limit line)。更具體的說,關於鐵氧體之磁性 ^磁率對頻率之依據性,磁性透磁率在低頻區為低,磁性 、磁率隨著頻率增加而漸漸增加,此後磁性透磁率係實質 的與頻率成反比的減少。磁性透磁率開始減少的頻率(臨 界頻率)係與磁性透磁率呈實質反比,假使磁性透磁率開 始降低的頻率被連接則可獲得一線。此線為蛇限制線(見 第9圖,其係為理論基礎)^更具體的說,尖晶石鐵氧體 在具有磁吐透磁率之頻率區有一限制,因此,假使磁性透 磁率延伸至高頻區,則磁性透磁率會減低’其不能超過限 制線。當磁性透磁率減少時,阻抗亦下降,使得在高頻區 移除雜訊成為困難。為了確保在高頻區之高阻抗,纏繞數 =增加…、而,對線圈之電阻之增加而言,增加纏繞數目 疋不好的如上所述。從近來增加頻率區以致動電子裝置 的趨勢來看,致動頻率被移到較高頻率區,在高頻率區產4 6 8 36 8 V. Description of the invention (5) It is ii. The anti-noise component with a wire wound on a magnetic substance can be recognized as a shape line ί = Τ noise. Such anti-noise components can be referred to as helical or ring-shaped (divided or undivided) ferrite cores, and can be used by inserting a cable into the component or winding the component around the cable. In addition, there is a wire, the surface-mounting form (layered form) where the material is inserted into the ferrite. The ferrite core has thus been used as a cheap anti-noise component, which can be lighter and lighter. However, it has the impedance of a wire wound around the ferrite core's noise filter in the wide frequency region, and therefore has the property of lacking the selective removal of noise generated in a specific frequency region. In addition, traditionally, the frequency characteristics of the spinel ferrites that are mainly used are based on the so-called snake limit line (jsnake limit line). More specifically, regarding the dependence of ferrite's magnetic ^ magnetic permeability on frequency, the magnetic permeability is low in the low frequency region, and the magnetic and magnetic permeability gradually increase as the frequency increases. Thereafter, the magnetic permeability is substantially inversely proportional to the frequency. Reduction. The frequency (critical frequency) at which the magnetic permeability begins to decrease is substantially inversely proportional to the magnetic permeability. If the frequency at which the magnetic permeability begins to decrease is connected, a line can be obtained. This line is a snake limit line (see Figure 9 which is the theoretical basis) ^ More specifically, spinel ferrite has a limit in the frequency region with magnetic permeability. Therefore, if the magnetic permeability is extended to In the high-frequency region, the magnetic permeability will decrease, which cannot exceed the limit line. When the magnetic permeability decreases, the impedance also decreases, making it difficult to remove noise at high frequencies. In order to ensure high impedance in the high frequency region, the number of windings = increase ..., and for the increase of the resistance of the coil, increasing the number of windings is not as described above. From the recent trend of increasing the frequency region to actuate electronic devices, the actuation frequency is moved to a higher frequency region,

第8頁 Λ 6 8 36 8 五、發明說明(6) 生雜訊。結果,在防雜訊的尖晶石型鐵氧體之使用是困難 的。 發明概述: 因此,本發明之一目的係提供一雜訊濾波器及移除雜 訊的方法’其可以有效的移除在一特定頻率區產生的雜訊 而不會減弱任何信號。此外,本發明之另一目的係提供— 雜訊濾波器,能夠有效的移除在高頻產生的雜訊,其至今 係由傳統尖晶石濾波器困難的移除。本發明之另一目的係 提供一防雜訊電子裝置。本發明的形成的實際情況是雖然 使用鐵氧體材料做為磁心的線圈在形式上與至今被使用的 雜訊濾波器相似,但是浮動能力(又稱為分散能力)發 生’具有磁心的線圈由於浮動能力變成在等效電路中之Lc 平行電路。 因此 信號電流 號電流疊 具有一最 訊的移除 頻率執行 在纏 具有轉換 除而沒有 纏繞磁性 阻抗變得 用以移除在電源電流或 本發明係一雜訊濾波器 輸入之電源線或信號線中之雜訊’電源電流或信 加在雜訊上,其中雜訊濾波器之阻抗之頻率特性 大值,與在一特定頻率之LC平行電路相似,而雜 係在自諧振頻率區,包括其為特定頻率之自諧振 〇 Ϊ磁的線圈中,因為磁性物質的損失成分 雜訊成為熱之功能,且由於這個功能,雜訊被移 反射雜訊至產生泝D再者 田 ^ ^ ^ ^ ^ ^ 冉者,因為洋動能力發生在 物質之線圈中,因此具有自 .,^ . ^ , A 开欠目逼振頻率’在此頻率 又 ‘又 含自諧振頻率之自諧振頻率區與雜Page 8 Λ 6 8 36 8 V. Description of the invention (6) Noise. As a result, the use of spinel-type ferrite for noise prevention is difficult. SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a noise filter and a method for removing noise ', which can effectively remove noise generated in a specific frequency region without weakening any signal. In addition, another object of the present invention is to provide a noise filter, which can effectively remove noise generated at high frequencies, which has been difficult to remove by conventional spinel filters until now. Another object of the present invention is to provide an anti-noise electronic device. The actual situation of the formation of the present invention is that although the coil using a ferrite material as the magnetic core is similar in form to the noise filter used so far, the floating ability (also called dispersion ability) occurs. The floating capability becomes an Lc parallel circuit in an equivalent circuit. Therefore, the signal current signal current stack has a most-removed frequency to perform the conversion and winding without winding. The magnetic impedance becomes used to remove the power line or signal line at the power supply current or the input of a noise filter in the present invention. Noise 'power current or signal is added to the noise. The large frequency characteristic of the impedance of the noise filter is similar to the LC parallel circuit at a specific frequency, and the noise is in the self-resonant frequency region, including its In a coil with a self-resonant magnetic resonance of a certain frequency, noise due to the loss component of the magnetic substance becomes a function of heat, and due to this function, the noise is shifted to reflect the noise to produce trace D and then ^ ^ ^ ^ ^ ^ Ran, because the oceanic ability occurs in the coil of matter, it has a self-resonant frequency of '., ^. ^, A in the self-resonant frequency region and the self-resonant frequency at this frequency.

q 3 6 8 五、發明說明(7) 訊的頻率區相符或疊加,則能有效的移除雜訊。 11平行靖振”意味著在線圈L (電感)及電容C之間之LC 平行電路,當電源之角頻率%等於1/(LC)i/2時,阻抗變 成最大值,而主電流I變成最小值。變成平行諧振之值% 係稱為平行諧振頻率(對應於上述之自諳振頻率)。假使 線圈L具有電阻r,則當 時,阻抗變得最大。 具有在雜訊濾波器中之最大阻抗之自諧振頻率(參見 第1圖)可藉由改變繞組數目或所使用的磁性物質形式而 自主的改變。當繞組數目增加,在線圈上產生的浮動能力 亦增加,而線圈的自諧振頻率係移至低頻率側(若相要在 ^頻率側引起自諧振頻率,1及(:最好是小的)。流^ ,(電源幻之信I(電流)之頻率區最好與雜訊之頻率 或多,因為 ’所產生之雜 雜訊遽波器之自諧振頻率最好是5〇〇MHz 電子裝置的致動頻率之趨勢從現在開始變高 訊的頻率區會變高。 子裝鐵=為磁性物質’ @為鐵氧體在很多電 技術已被估計,而鐵氡體可以低 價貝進。因為鐵氧體具有一高容量電阻並且 :本線或信號線之導線可以直接纏繞鐵氧體,因 此本發明之雜訊濾波器可以低價輕易取得。㈣ 最好使用六邊形的鐵氧體。當使周六邊形的鐵菌巧 夺,磁性透磁率延伸至祕鐵氧體的情形為高:。q 3 6 8 V. Description of the invention (7) If the frequency areas of the signals match or overlap, the noise can be effectively removed. "11 Parallel Jingzhen" means an LC parallel circuit between coil L (inductance) and capacitor C. When the angular frequency% of the power source is equal to 1 / (LC) i / 2, the impedance becomes the maximum value, and the main current I becomes The minimum value. The value that becomes the parallel resonance% is called the parallel resonance frequency (corresponding to the self-oscillation frequency described above). If the coil L has a resistance r, the impedance becomes the maximum at that time. It has the largest value in the noise filter. The self-resonant frequency of the impedance (see Figure 1) can be changed autonomously by changing the number of windings or the form of magnetic material used. When the number of windings increases, the floating capacity generated on the coil also increases, and the self-resonant frequency of the coil Is moved to the low frequency side (if the phase is to cause self-resonant frequencies on the ^ frequency side, 1 and (: preferably small). Current ^, (the power frequency of the letter I (current) frequency region is best related to noise The frequency is more or less, because the self-resonant frequency of the noise wave generator generated is preferably 500 MHz. The tendency of the actuation frequency of electronic devices to become high from now on will increase. Iron = for magnetic substance '@ 为 ferrite in Multi-electric technology has been estimated, and ferrite can be imported at low cost. Because ferrite has a high capacity resistance and: the wire of the main line or signal line can be directly wound around the ferrite, so the noise filter of the present invention can It is easy to obtain at a low price. 六 Hexagonal ferrite is best used. When making the hexagonal iron bacteria clever, the magnetic permeability extends to the high ferrite :.

第10頁 五、發明說明(8) 結果,損失成分發生在輕N · 六邊形鐵氧體可以用在;::況為高的頻率中。因此, 在六邊形鐵氧體中,最體為高的頻率區中。 塑,γ型’及z型’因為磁性^疋稱為ferrox “⑽“的^ 區。此外,最好是使用包八7开^率延伸至高出很多的頻率 為主要層,這是因為高磁二读鐵;氧體之六邊形鐵氧體做 至更高的頻率區° i:’及延伸之磁性透磁率 當欲被使用之鐵氧體具有台人 68-74m〇l%的Fe2〇3 匕s下列主要成分之組合 15-22mol% 的M0 ,及 4-13mol% 的MeO ,及 少量成分的 0-1Owt% 的PbO ,及 〇-5wt%的Si02 ’做為氧化物, 由於較高燒結密度及較高比電阻(電阻率),機械強度可 被加強,而信號線的導線可被實 的姐认* β 而不用任何對纏繞磁心 的絕緣應用。 在組合中,Μ至少是Ba及Sr之—,硫至少是c〇, N 1 ’ Zn,及Cu 之一。 本發明亦提供一具有如上述之施加至電子裝置之電源 J或信號線之雜訊濾波器之防雜訊電子裝置。只要將雜吨 f波器施加至信號線等’雜訊即可以一便宜方式移除。 於對雜訊濾波器的應用對GND沒有要求,所以電子裝置 基礎設計可以以一簡單及便宜的方式執行。 'Page 10 V. Description of the invention (8) As a result, the loss component occurs in light N · hexagonal ferrite can be used in :: In the case of high frequency. Therefore, in the hexagonal ferrite, the most is in the high frequency region. Plastic, γ-type 'and z-type' are called the ^ region of ferrox "rox" because of their magnetic properties. In addition, it is best to use the Baoji 7 open rate to extend to a much higher frequency as the main layer, this is because of the high magnetic second reading iron; the hexagonal ferrite of the ferrite to the higher frequency region ° i: 'And the extended magnetic permeability when the ferrite to be used has 68-74mol% Fe2O3. The combination of the following main components is 15-22mol% M0, and 4-13mol% MeO, And a small amount of 0-10 wt% of PbO and 0-5 wt% of Si02 'as oxides, due to the higher sintering density and higher specific resistance (resistivity), the mechanical strength can be enhanced, and the conductors of the signal line Can be recognized by real sisters * β without any insulation application to the wound core. In the combination, M is at least one of Ba and Sr, and sulfur is at least one of c0, N 1 'Zn, and Cu. The present invention also provides an anti-noise electronic device having the noise filter applied to the power source J or signal line of the electronic device as described above. As long as a noisy f-wave filter is applied to the signal line, the noise can be removed in a cheap way. Since no noise filter is required for the application of the noise filter, the basic design of the electronic device can be implemented in a simple and inexpensive manner. '

第 11 頁’'----- ABB 368Page 11 ’'----- ABB 368

圖式之簡單說明: 第1圖係根據本發明之雜訊濾波器之阻抗頻率特性曲 線圖,並解釋自諧振頻率區; 第2圖係一顯示lC平行電路之圖; 第3圖係顯不根據本發明之雜訊濾波器之一實施例之 透視圖; 第4圖係根據本發明之雜訊濾波器之一範例(六邊形 鐵氧體)之阻抗頻率特性圖; 第5圖係根據本發明之雜訊濾波器之另一範例(六邊 形鐵氧體)之阻抗頻率特性圖; 第6圖係根據本發明之雜訊濾波器之另一範例(N i鐵氧 體)之阻抗頻率特性曲線圊; 第7圖係根據本發明之雜訊濾波器之另一範例(N i鐵氧 體)之阻抗頻率特性曲線圖; 第8圖係顯示根據本發明之範例之每一樣本之磁性透 磁率之圖,及 第9圖顯示蛇之限制線(理論值)之圖 較佳實施例之描述: 本發明之實施例將根據圖式來描述。 〈〈雜訊濾波器之組態〉〉 根據本發明之雜訊濾波器之組態之一實施例係顯$ 第3圖中。在此實施例中,雜訊濾波器肿包含一由導線2 5 繞之磁性物質1 ^這個組態與傳統雜訊濾波器之組態相 同。雜訊濾波器適當地加在為產生雜訊源之電子裝薏之Brief description of the drawings: Fig. 1 is an impedance frequency characteristic curve of a noise filter according to the present invention and explains the self-resonant frequency region; Fig. 2 is a diagram showing a parallel circuit of lC; A perspective view of an embodiment of a noise filter according to the present invention; FIG. 4 is an impedance frequency characteristic diagram of an example of a noise filter according to the present invention (hexagonal ferrite); and FIG. 5 is based on The impedance frequency characteristic diagram of another example of the noise filter of the present invention (hexagonal ferrite); FIG. 6 is the impedance of another example of the noise filter of the present invention (Ni ferrite) Frequency characteristic curve 圊; Figure 7 is an impedance frequency characteristic curve of another example of a noise filter according to the present invention (Ni ferrite); Figure 8 is a graph showing each sample of the example according to the present invention. A diagram of magnetic permeability and a diagram showing a limit line (theoretical value) of a snake in FIG. 9 is a description of a preferred embodiment: An embodiment of the present invention will be described in accordance with a drawing. "<Configuration of Noise Filter>" An embodiment of the configuration of the noise filter according to the present invention is shown in Fig. 3. In this embodiment, the noise filter bulge includes a magnetic substance 1 wound by a wire 2 5. This configuration is the same as that of a conventional noise filter. Noise filters are appropriately added to the electronic equipment that generates noise sources

第12頁 4 68 36 8 五、發明說明(ίο) 源線或信號線上,磁性物質〗之形狀可以是形成閉人 路之螺線式電路,其他任何形狀:可被 s料質1之磁性材料可以是傳統上使… ΐ頻Λ Λ Λ 性透磁率及在目標雜訊移除 之頻率區具有南阻抗之材料。Page 12 4 68 36 8 V. Description of the invention (ίο) The shape of the magnetic substance on the source line or signal line can be a spiral circuit forming a closed path. Any other shape: can be used as the magnetic material of material 1 It can be a material that traditionally makes ... the frequency Δ Λ Λ permeability and the south impedance in the frequency region where the target noise is removed.

在雜訊移除係在較500MHz高之高頻區執行之情況 最好使用六邊形的鐵氣辦伟我滅ω u M 走氧體作為磁性材料。具有高磁性透磁 ^並在,頻區超過蛇線之限制線之六邊形鐵氧體 aGHz之高頻區使用。 pi〜 使用物‘質1之磁性材料最好具有高電阻率,因為 使用這種材料可以直接將信號線纏繞在磁性物質丨上 =要任何特別的絕緣處理。傳統上被使用而不需任 處理之N i鐵氧體之電阻率較丨Q 6 Ω 之裉占讲以t… 千杈1 Ub u為问,所以相當於此值 夠的成 物質磁性材料之電阻率對本發明而言是足 3磁性物D之磁性材料最好有一高機械強度。機 ,強度並不直接影響磁性物fl之電磁特性’但是 能在安裝雜訊遽波㈣於電子裝置基座時弄斷 即是雜訊遽波器叮)。形成磁性物質1之磁 電阻率係互為關聯的,密度低時,電阻率 兩。因A ’從電阻率的角度來看,磁性材料的密产 最子為低。然而’因為降低磁性材料的密度會減少機械ςIn the case where noise removal is performed in a high-frequency region higher than 500MHz, it is best to use hexagonal iron gas as a magnetic material. It has high magnetic permeability and is used in the high-frequency region of the hexagonal ferrite aGHz, whose frequency region exceeds the limit line of the serpentine. pi ~ The magnetic material of substance ‘quality 1 is best to have high resistivity, because using this material can directly wrap the signal wire on the magnetic substance 丨 = any special insulation treatment is required. The resistivity of N i ferrite which is traditionally used without any treatment is higher than that of Q 6 Ω. It takes t ... thousand Ub u as the question, so it is equivalent to the value of a material magnetic material. For the present invention, a magnetic material whose resistivity is sufficient as the magnetic substance D preferably has a high mechanical strength. Machine, the strength does not directly affect the electromagnetic characteristics of the magnetic object fl ’, but it can be broken when the noise wave is installed on the base of the electronic device. The magnetic resistivity of the magnetic substance 1 is related to each other. When the density is low, the resistivity is two. Since A ', from the viewpoint of resistivity, the density of magnetic materials is the lowest. However ’because reducing the density of magnetic materials reduces mechanical

第13頁 6 0 3^8 五、發明說明(11) 〜---〜 度,所以最好不要藉由降低密度來增加磁性材料的 电 率。 導線2係由一導電材料組成。導線2係安裝於信號 上,藉以使雜訊電流流經導線2 (信號電流亦流經導線2之 )。導線2在磁性物質1上之纏繞線圈數木會影響 '' 器NF的特性,如下所述。 欲被移除之雜sR存在於電源線或信號線内,養加在電 子信被上。關於雜讯,為了處理近年來電子裝置之高性 能,致動頻率變得較高,因此雜訊通常發生在不小於 500MHz之高頻區。 當被,用時,施加至電子電路等之電源線或信號線之 雜訊濾波器具有如上所述之導線2纏繞磁性物質丨之組態 、(參見第3圖)。因為浮動能力發生在具有此組態之雜'^ 濾波器NF中,雜訊濾波器之等效電路被設定成一 Lc平行電 路(參見第2圖)。結果,雜訊濾波器肝具有一自讀振頻 率,在此自諧振頻率上,對應Lc平行電路之平行諧振頻率 之阻抗變得最大(第1圖卜因為包含此自諧振頻率之自 :振頻率區具有高阻抗,假使雜訊頻率區疊加在自諧振頻 率區,則雜訊可以被轉換成熱,然後被移除。 &lt;&lt;雜訊濾波器之致動〉〉 凊士巧如,在疊加在乜號之雜訊欲被移除的情況下,雜訊 i 1“器NF被施加至仏號線以允許雜訊通過雜訊渡波器NF之 導線2。假使自諧振頻率區歲 ,^ ^ 與雜訊頻率區一致或疊加有雜 讯頻率區’則雜訊可被有效的 ., 做另成的移除。在此情況下,假使信Page 13 6 0 3 ^ 8 V. Description of the invention (11) ~~~~ degrees, so it is best not to increase the electric capacity of the magnetic material by reducing the density. The wire 2 is composed of a conductive material. The conductor 2 is installed on the signal, so that the noise current flows through the conductor 2 (the signal current also flows through the conductor 2). The number of windings of the wire 2 on the magnetic substance 1 will affect the characteristics of the device NF, as described below. The impurity sR to be removed exists in the power line or signal line, and is added to the electronic quilt. Regarding noise, in order to deal with the high performance of electronic devices in recent years, the actuation frequency has become higher, so noise usually occurs in the high-frequency region of not less than 500MHz. When used and used, a noise filter applied to a power line or a signal line of an electronic circuit or the like has a configuration in which the wire 2 is wound with a magnetic substance as described above (see FIG. 3). Because the floating capability occurs in the noise filter NF with this configuration, the equivalent circuit of the noise filter is set to an Lc parallel circuit (see Figure 2). As a result, the noise filter liver has a self-resonant frequency. At this self-resonant frequency, the impedance corresponding to the parallel resonant frequency of the Lc parallel circuit becomes the largest (Figure 1 because the self-resonant frequency that includes this self-resonant frequency). The region has a high impedance, and if the noise frequency region is superimposed on the self-resonant frequency region, the noise can be converted into heat and then removed. &Lt; &lt; Activation of noise filter >〉 In the case where the noise of the 乜 signal is to be removed, the noise i 1 ″ device NF is applied to the 仏 signal line to allow the noise to pass through the conductor 2 of the noise wave filter NF. If the self-resonant frequency region is older, ^ Consistent with or superimposed with the noise frequency region, then the noise can be effectively removed. In this case, the false signal

第14頁 468368 五'發明說明(12) 號線之頻率區與自諧振頻率區不同,則信號不會被衰減。 結果’只有雜訊被移除。在此使用之應用意味著-fs说 線(電源線)及導線2相互連接,或信號線(電源線)及 連接線纏繞磁性物質1或信號線(電源線)隨導線2纏繞磁 性物質使得雜訊通過雜訊濾波器NF之導線2。 假使雜訊濾波器NF之自諧振頻率區之範圍窄,則即使 在信號之頻率區靠近雜訊之頻率區時,亦只有雜訊被移 除°相反的’假使雜訊濾波器NF之自諧振頻率區之範圍為 寬’則存在於寬頻率區範圍之雜訊可被一次移除。雜訊濾 波器NF之自諧振頻率可由選擇磁性材料之形式或種類或纏 繞線圈之數目來調整。 例如’假使纏繞磁性物質1之導線2線圈數目被設定為 小自5皆振頻率被移至高頻側。相反的,假使線圈數目 被κ疋為大’則自譜振頻率被移至低頻側。纏繞磁性物質 1之大的導線2線圈數目會增加阻抗。 自谐振頻率區可以專 7 * ^ ^ ^ 例如,一出現在阻抗頻率特性 圖ΐ由;缘:ΐ二在此間端部分是指在阻抗頻率特性曲線 2圖)/又自「分所11繞之上凸部分之頻率區(見第 «磁性材料》自諸振區可以是超過ι〇〇ω之部分。 磁性透磁率之鐵 材枓形成磁性物質1,具有高 材料中,☆邊形被提及。在這些 、开&gt; 成磁性物質1以移除在Page 14 468368 Five 'invention description (12) The frequency region of line (12) is different from the self-resonant frequency region, so the signal will not be attenuated. Result 'Only noise is removed. The application used here means that -fs line (power line) and wire 2 are connected to each other, or signal line (power line) and connecting line are wound with magnetic substance 1 or signal line (power line) is wound with magnetic substance with wire 2 to make miscellaneous The noise passes through the conductor 2 of the noise filter NF. If the range of the self-resonant frequency region of the noise filter NF is narrow, even when the frequency region of the signal is close to the frequency region of the noise, only noise is removed. If the frequency range is wide, noise existing in the wide frequency range can be removed at one time. The self-resonant frequency of the noise filter NF can be adjusted by selecting the form or type of magnetic material or the number of windings. For example, 'if the number of coils of the wire 2 wound around the magnetic substance 1 is set to be as small as 5 and the frequency is shifted to the high frequency side. Conversely, if the number of coils is made large, the self-spectrum frequency is shifted to the low frequency side. The number of coils around which a large wire 2 is wound around the magnetic substance 1 increases the impedance. The self-resonant frequency region can be specifically 7 * ^ ^ ^ For example, one appears in the impedance-frequency characteristic diagram; the reason: ΐ The second part here refers to the impedance-frequency characteristic curve 2) The frequency region of the convex portion (see «Magnetic Materials») can be a portion of more than ιωω from the various vibration regions. The magnetic material of the magnetic permeability 枓 forms the magnetic substance 1, which has a high material. . In these, open &gt; into magnetic substance 1 to remove the

4BB 368 五、發明說明(13) *&quot; 向頻率區產生之雜訊。因為六邊形鐵氧體具有一高磁性透 磁率,到達超過蛇限制線之高頻區,使用六邊形鐵氧體之 雜訊濾波器即使在高頻區亦具有高阻抗,因此可移除在高 頻產生之雜訊。在六邊形鐵氡體之中,最好使用所謂 ferr0x Pianer之型,γ型及z型之六邊形鐵氧體,因為磁 性透磁率延伸至更高之頻率區。再者,最好是使用包含z 组鐵氧體作為主層之六邊形鐵氧體’因為高磁性透磁率及 延伸至更尚頻率區之磁性透磁率。在六邊形鐵氧體中,&quot; # ”為一損失成分’存在於不少於500MHz之區。 已知之六邊形鐵氧體包含Μ型(MFe12019) ,V/型 (〇e2Fe1B027 ) ’Y型(M2Me2Fe12 022 ),Z 型(M3Me2Fe24 041)鐵氧體 等。對於Z型鐵氧體,Μ係Ba,Ca,Sr,或Pb及Me係Co之組 合係揭示於日本專利公報第33-7 36號,而Me為Fe,Mn, C〇,Ni,Zn,Mg,或Cu之組合係揭示於日本專利公報第 34-6 778號。這些鐵氧體可被用作為根據本發明之雜訊漉 波器NF之磁性物質。 鐵氡體係藉由衡量如F e? 〇3之生材料之比重,混和生材 料’塑模他們’及燒結被塑模之材料而產生。關於鐵氧體 之組合’最好是具有包含主成分為68_74 mol%之Fe2〇3, 15-22 mol%之M0,4-13 mol%之MeO,及少量成分為 〇-10wt%之PbO ’ 〇-5wt%之Si〇2之氧化物之六邊形鐵氧體 CZ型)’其中Μ至少是Ba及Sr之一,而Me至少是Co,Ni, Zn,及Cu之一,因為此種組合在高頻區具有高機械強度極 高磁性透磁率。假使組合是在上述範圍内,則具有六邊形4BB 368 V. Description of the invention (13) * &quot; Noise generated in the frequency region. Because the hexagonal ferrite has a high magnetic permeability, reaching the high frequency region beyond the snake limit line, the noise filter using the hexagonal ferrite has high impedance even in the high frequency region, so it can be removed Noise generated at high frequencies. Among the hexagonal ferrite bodies, the so-called ferr0x Pianer type, γ-type and z-type hexagonal ferrites are preferred because the magnetic permeability extends to higher frequency regions. Further, it is preferable to use a hexagonal ferrite 'containing a group z ferrite as the main layer because of its high magnetic permeability and magnetic permeability extending to a more frequency range. In the hexagonal ferrite, "&quot; is a loss component 'that exists in a region of not less than 500 MHz. It is known that the hexagonal ferrite contains M type (MFe12019) and V / type (〇e2Fe1B027)' Y-type (M2Me2Fe12 022), Z-type (M3Me2Fe24 041) ferrite, etc. For Z-type ferrite, M-type Ba, Ca, Sr, or a combination of Pb and Me-type Co is disclosed in Japanese Patent Gazette No. 33- No. 7 36, and Me is a combination of Fe, Mn, Co, Ni, Zn, Mg, or Cu is disclosed in Japanese Patent Gazette No. 34-6 778. These ferrites can be used as impurities in accordance with the present invention. The magnetic substance of the wave generator NF. The ferrite system is produced by measuring the proportion of raw materials such as Fe 3 and mixing the raw materials to 'mold them' and sinter the molded materials. About ferrite The combination 'preferably has Fe2O3 with 68-74 mol% of main components, M0 with 15-22 mol%, MeO with 4-13 mol%, and PbO with a small amount of 0-10wt%' 0-5wt% Hexagonal ferrite of SiO2 type CZ) 'where M is at least one of Ba and Sr, and Me is at least one of Co, Ni, Zn, and Cu, because this combination is in the high frequency region A very high magnetic permeability and high mechanical strength. If the combination is within the above range, having a hexagonal

第16頁 五、發明說明(u) 鐵氧體為主相位之磁性物質可具有5到25之間之磁性 率,超過4.6g/cc之密度,超過i〇e Ω電阻率,因此可形 適用於本發明之雜訊濾波器鮮之磁性物質1。 少數成分係選項成 包含少數成分。然而* 電阻率,最好加入Si〇2 加電阻率之效果係由加 PbO。 分’因此六邊形鐵氧體可形成為不 為了增加欲產生之六邊形鐵氧體之 或PbO ’其在燒結時變成玻璃。增 入至少0.04wU之3102或〇.02%之&quot; &lt;&lt;移除雜訊之方法〉〉 銘险Ξ據本發明之另—實施例’—用於自電源線或信號線 ,示:讯之方法,電源線或信號線輸入電源電流或電子信 t電流疊加有一雜訊,雜訊與信號通過—雜訊濾波器,其 纏繞有一導線之磁心之磁性物質。 例如’在疊加在信號之雜訊欲被移除的情況下,雜訊 ^波器係施加至信號線以允許雜訊通過雜訊濾波器之導 蟲體的說,若是自譜振頻率區與雜訊之頻率區一致獲 下,雜^頻率區上,則雜訊可被有效地移除。在此情況 3使^號線之頻率區與自諧振頻率區不同,則信號不 廉爾^跑三、'&quot;果’只有雜訊被選擇性地移除。在此使用之 (電^味著信號線(電源線)及導線相互連接,或信號線 地線}及連接之線係纏繞在磁性物質1周圍’或信號 )如v線般直接纏繞磁性物質,藉以使雜訊通 過雜訊濾波器之導線。Page 16 V. Explanation of the invention (u) Ferrite-based magnetic materials can have a magnetic permeability between 5 and 25, a density exceeding 4.6 g / cc, and a resistivity exceeding i〇e Ω, so it can be applied formally The magnetic substance 1 fresh in the noise filter of the present invention. Minority ingredients are selected to include a few ingredients. However * resistivity, it is better to add Si02 to increase the resistivity effect by adding PbO. Therefore, the hexagonal ferrite can be formed so as not to increase the hexagonal ferrite or PbO 'to be produced, which becomes glass when sintered. Add at least 0.04wU of 3102 or 0.02% of the &quot; &lt; &lt; Method of removing noise >〉 MingxianΞ According to another-embodiment of the present invention-for self-power lines or signal lines, shown Noise method: Noise is superimposed on power line or signal line input power current or electronic signal current. Noise and signal pass through—noise filter, which is wound with a magnetic substance with a wire core. For example, 'in the case where the noise superimposed on the signal is to be removed, the noise filter is applied to the signal line to allow the noise to pass through the noise filter's worm body. If the frequency region of the noise is obtained uniformly, the noise can be effectively removed in the frequency region of the noise. In this case, if the frequency region of the line ^ is different from the self-resonant frequency region, the signal is not expensive. Only the noise is selectively removed. The wires used here (electrical means that the signal wires (power wires) and the wires are connected to each other, or the signal wire ground wire} and the connected wires are wound around the magnetic substance 1 or signal) are directly wound around the magnetic substance like a V wire, This allows noise to pass through the wires of the noise filter.

-c q 3 6 8-c q 3 6 8

五、發明說明(15) 範例: 接下來將參考範例描述本發明( 及 圖)。然而本發明並不受限於這些範例。* 4至第7 &lt;〈雜訊濾波器之產生〉〉 — 如表1所示之生材料之重量係 王里1糸被分配成如表1中1 及60到65號之氧化物之組合,並 I之i到8 及且濕混合於一球形赓媸 為時4小時。之後,乾的混和物在 研磨機 ^仕大氣吼圍下,在如袅1所 示之溫度下被預備燒結’並在珑裕π豳塊由、思队Λ ^ ^ 1 *味开&gt; 研磨機中濕粉磨2 〇小 時,之後混和物被烘乾。接下來,一黏合物被加入至混合 物中,混合物被塑模,塑模之產物在大氣氛圍及如表1所 示之溫度下被焙燒以產生一環形鐵氧體心(鐵氧體物質1 ),如第3圖所示。導線2纏繞所形成之鐵氧體心以產生一 雜訊濾波器N F。纏繞之線圈數目係如表1所示。 第1到8號代表雜訊濾波器,每一個雜訊物質由作為磁 性物質1之六邊形鐵氧體组成,而第60至65號代表由Ni鐵 氧體組成之雜訊濾波器NF。V. Description of the Invention (15) Examples: The invention (and the drawings) will be described with reference to examples. However, the present invention is not limited to these examples. * 4 to 7 &lt; <Production of Noise Filters >>-The weight of raw materials shown in Table 1 is Wangli 1 糸, which is assigned as a combination of oxides 1 and 60 to 65 in Table 1 , And I to 8 and wet-mixed in a spherical puppet for 4 hours. After that, the dry mixture was prepared under the conditions of a grinder ^ 大气 atmosphere, and sintered at a temperature as shown in 袅 1 ', and was ground in Longyu π 豳 block, Si team ^ ^ ^ 1 * 味 开 &gt; Grind the powder in the machine for 20 hours, and then dry the mixture. Next, a binder is added to the mixture, and the mixture is molded. The molded product is baked in an atmospheric atmosphere and at a temperature as shown in Table 1 to produce a ring-shaped ferrite core (ferrite material 1). , As shown in Figure 3. The wire 2 is wound around the formed ferrite core to generate a noise filter NF. The number of wound coils is shown in Table 1. Nos. 1 to 8 represent noise filters, each of which is composed of a hexagonal ferrite as magnetic substance 1, and Nos. 60 to 65 represent a noise filter NF composed of Ni ferrite.

第18頁Page 18

4 6 ° λ β S 五、發明說明(16) 表4 6 ° λ β S V. Description of the invention (16) Table

3 33 3

15 15 次被培β 線圈數目15 15 times number of beta coils

Fe2Oj BaO CoOFe2Oj BaO CoO

NiO CuO ZnO 少置成分wt% 離酿 磁性msm 70.59 70.59 48 49 19.15 19.15 10.27 10.27 35 12NiO CuO ZnO Min. Ingredients wt% Liquor magnetic msm 70.59 70.59 48 49 19.15 19.15 10.27 10.27 35 12

PbO:2 SiO2:0.62PbO: 2 SiO2: 0.62

PbO;2 SiOz;0.62 1200 空氣中 1200 空氣中 1200 空氣中 1250 空氣中 17 tl 33 900 空氣中 900 _空氣中 ΠΟΟ 空氣中 1100 空氣中 40 1300 «雜評估〉&gt; 1 阻抗]關於所形成之雜訊濾波器肝,在頻率範圍1到 • 之阻抗之頻率特性係藉由使用阻抗分析器(由惠普 科技公司生產之HP-429 1A )測量而得。第4至7圖顯示測量 結果。 從顯示使用六邊形鐵氧體作為磁性物質1之雜訊渡波PbO; 2 SiOz; 0.62 1200 in air 1200 in air 1200 in air 1250 in air 17 tl 33 900 in air 900 _ in air ΠΟΟ in air 1100 in air 40 1300 «Miscellaneous Evaluation> &gt; 1 impedance] The frequency characteristics of the impedance of the filter filter in the frequency range of 1 to • are measured by using an impedance analyzer (HP-429 1A manufactured by Hewlett-Packard Technology Co., Ltd.). Figures 4 to 7 show the measurement results. From the noise wave showing the use of hexagonal ferrite as the magnetic substance 1

第19頁 ^68 五、發明說明(17) 器NF之阻抗頻率特性可知最大直(自諧振頻率)出現在阻 抗頻率特性曲線圖’顯示樣本1到8有自諧振。阻抗在超過 2 0 0MHz之頻率區具有自1〇〇〇到loooo q之高值或更高。再 者,高到1000 Ω之高阻抗係在接近1GHz之頻率區被發 現。 接下來,從顯示使用Ni鐵氧體作為磁性物質i之雜訊 遽波Is之阻抗之頻率特性之第6及7圖可知,最大值(自譜 振頻率)出現在阻抗頻率特性圖,顯示樣本6 〇到6 3有自諧 振。阻抗具有1 0 0 0到2 0 0 0 Ω之高值。 另一方面,關於樣本64及65 ’雖然阻抗值很高,在第 7圖之阻抗頻率特性曲線圖中卻沒有最大值,顯示從低頻 到高頻區之幾乎丨亙定阻抗值。 具有自譜振之樣本64與不具有自諧振之樣本65之差異在於 纏繞線圈數目之不同。 已知的是樣本1到8之雜訊濾波器在不少於5〇〇MHz之高 頻區之阻抗較使用Ni鐵氧體之樣本6〇到65之雜訊濾波器高’ 出很多。 [電阻率,密度,磁性透磁率] 除了雜訊濾波器第1到8號以外,具有如表2所示之組 成之第10到32號及第66到68號之雜訊濾波器係在表2的情 況下產生,並測量了燒結體之磁性透磁率,密度及電阻 率。在這些範例中,產生雜訊濾波器之製程與產生1到8號 雜訊濾波器之製程相似。Page 19 ^ 68 V. Description of the invention (17) The impedance-frequency characteristic of the device NF shows that the maximum straight (self-resonant frequency) appears in the impedance-frequency characteristic curve ', showing that samples 1 to 8 have self-resonance. The impedance has a high value from 1000 to loooo q or higher in a frequency region exceeding 200 MHz. Furthermore, high impedances up to 1000 Ω were found in a frequency region close to 1 GHz. Next, from Figures 6 and 7 showing the frequency characteristics of the impedance of the noisy chirp wave Is of the magnetic substance i using Ni ferrite, the maximum value (self-spectrum frequency) appears in the impedance frequency characteristic diagram, showing the sample 60 to 63 have self-resonance. The impedance has a high value of 1 0 0 to 2 0 0 0 Ω. On the other hand, although the impedance values of samples 64 and 65 'are high, there is no maximum value in the impedance frequency characteristic curve chart of Fig. 7, which shows that the impedance values are almost determined from the low frequency to the high frequency region. The difference between the sample 64 with self-spectrum vibration and the sample 65 without self-resonance is the difference in the number of windings. It is known that the noise filters of samples 1 to 8 have a higher impedance in the high frequency region of not less than 5000 MHz than the noise filters of samples 60 to 65 using Ni ferrite. [Resistivity, density, magnetic permeability] In addition to Noise Filter Nos. 1 to 8, noise filters Nos. 10 to 32 and 66 to 68 having the composition shown in Table 2 are listed in the table. It was generated under the condition of 2 and the magnetic permeability, density and resistivity of the sintered body were measured. In these examples, the process for generating a noise filter is similar to the process for generating noise filters 1 to 8.

第20頁 4 6 8 36 8 五、發明說明(18) 表2 號碼 鉬成 欲被燒焙 ®g °c 燒焙酿 r 在 lOOkH; 磁性 透磁率 燒結體密 度 R^CC ®阻率 gSS8/cm 主要成分(mol%) ;!&gt;量成分(wt% FcA BaO SrO CoO NiO CuO ZnO PbO Si02 1 70.59 ft - 10.27 * - 2 0.62 1200/air 1200/air 13 47 10 8 5 Η Η - Η - - - H &quot; n 1250/air 17 4.8 10 7 Q Μ Η - &lt;3 7S (Vil - - « u w 1200/air η Μ Μ |〇 Η » - 9?4 1·(Ρ - • tt rr tt M π II 11 11 Η η - 5,73 1,54 - H tl &quot; II 19 tf rr 12 Η «I - 9,75 - 0,51 - M M « w 14 4.7 10 s η η Μ - ♦1 管 - 11 « rr M η 4.R 14 Η 12.77 6.38 10.27 - 了 - H n H ff 9 4.7 10 7 15 Η %Ί5 %S1 - - - tt H ” 11 14 4.8 H Κ) η 19.1*; - Η - - 2.2 It II M η 4.7 10 11 17 η h • Η - 2.5 &quot; 11 11 » 11 10 / lfi « Η - tt - - - λ tt n M η 4.R tt 19 Μ η - Μ — - - 9. n.叭 II ff η 4*7 II 00 Η Η Η • - rr \ 1? M u 10 « II 7,1 Η ιτ - » - - - H l.fS? tr M 7 4R 10 6 Η Η - η - 2.2 om II tl η 4.7 10 7 n « m - tt - - - 2.5 1.19. tt M 10 4.S &quot; 74 Η Η _ 11 — - — λ \.eo. H H 7 « 11 os Η Η Η • - • S s M 1150/air ft 4.9 10 6 % η η tf • 10 tr n II 5 Μ tl ?1 19.74 • 11.77 • - r η.ή?. tt 1200/air in 4R 11 28 715 17.65 - 8.85 - II M M tt 15 4.Q 10 / ]ΊΜ • η 77 - - 1| tl « 11 Q 4只 » 和 70別 19,]^ - 10.77 — - - 1 n.s &quot; M 11 4,7 10 s Ή Η Η «· - - 0.19 0.13 M 1150/air « &quot; in ' 3?r Η tt - η - - 0.04R omo. n 1200/air η 46 ω 0 66 tl 17.65 - 11.77 - . M &quot; II 1300/air 19 d&lt;i 10 s fi7 Η η - fl - . - tl tl 11 1350/air Π 4.7 10 1 6« «I 19.15 - 10-27 - - • &quot; n « BOQ/air 49 10 3 表2 關於電阻率,具有外徑約為25. 4mm 及高度約為2mm之圓盤 形樣本被產生,In-Ga電極被施加於樣本之前表面及後表 面,電阻率藉由比較由一絕緣測試組(由Μ E G R 0製造之 MEGROHMMETTER)測量之測量值與樣本之外部大小計算而 得。Page 20 4 6 8 36 8 V. Description of the invention (18) Table 2 Number of molybdenum to be roasted ®g ° c Roasted at 100kH; Magnetic permeability sintered body density R ^ CC ® Resistivity gSS8 / cm Main component (mol%);!> Amount component (wt% FcA BaO SrO CoO NiO CuO ZnO PbO Si02 1 70.59 ft-10.27 *-2 0.62 1200 / air 1200 / air 13 47 10 8 5 Η Η-Η-- -H &quot; n 1250 / air 17 4.8 10 7 Q Μ Η-&lt; 3 7S (Vil--«uw 1200 / air η Μ Μ | 〇Η»-9? 4 1 · (Ρ-• tt rr tt M π II 11 11 Η η-5,73 1,54-H tl &quot; II 19 tf rr 12 Η «I-9,75-0,51-MM« w 14 4.7 10 s η η Μ-♦ 1 tube- 11 «rr M η 4.R 14 Η 12.77 6.38 10.27-Yes-H n H ff 9 4.7 10 7 15 Η% Ί5% S1---tt H” 11 14 4.8 H Κ) η 19.1 *;-Η-- 2.2 It II M η 4.7 10 11 17 η h • Η-2.5 &quot; 11 11 »11 10 / lfi« Η-tt---λ tt n M η 4.R tt 19 Μ η-Μ —--9. n. IIII ff η 4 * 7 II 00 Η Η Η •-rr \ 1? M u 10 «II 7,1 Η ιτ-»---H l.fS? tr M 7 4R 10 6 Η Η-η -2.2 o m II tl η 4.7 10 7 n «m-tt---2.5 1.19. tt M 10 4.S &quot; 74 Η Η _ 11 —-— λ \ .eo. HH 7« 11 os Η Η Η •-• S s M 1150 / air ft 4.9 10 6% η η tf • 10 tr n II 5 Μ tl? 1 19.74 • 11.77 •-r η.ή ?. tt 1200 / air in 4R 11 28 715 17.65-8.85-II MM tt 15 4.Q 10 /] ΊΜ • η 77--1 | tl «11 Q 4 only» and 70 different 19,] ^-10.77 —--1 ns &quot; M 11 4,7 10 s Ή Η Η « ·--0.19 0.13 M 1150 / air «&quot; in '3? R Η tt-η--0.04R omo. N 1200 / air η 46 ω 0 66 tl 17.65-11.77-. M &quot; II 1300 / air 19 d &lt; i 10 s fi7 Η η-fl-.-tl tl 11 1350 / air Π 4.7 10 1 6 «« I 19.15-10-27--• &quot; n «BOQ / air 49 10 3 Table 2 About resistivity A disc-shaped sample with an outer diameter of about 25.4 mm and a height of about 2 mm was produced. In-Ga electrodes were applied to the front and back surfaces of the sample. The resistivity was compared by an insulation test group (by M EGR Calculated from the measured value of MEGROHMMETTER (manufactured by 0) and the external size of the sample.

第21頁 468368Page 21 468368

五、發明說明(19) 燒結體(磁性物質)之密度係由游標卡尺 外部大小即由一電子測重機測量樣本之重量計算=/ 磁性透磁率係由產生一環形樣本,具有丨8_之彳外徑及 1 Oram之内徑及6贿之高度,對樣本纏繞—導缘利用LCR 測量器(HP製造之HP_4284A)測量在丨〇〇kHz之電感及外部大 小,並根據日本工業標準從這些值計算出磁性逯磁率二 結果係顯示在表2中。 從示於表2之結果可獲得104到} 〇8 之電阻率及4 . $到 4· 9g/cc之燒結體之密度。具有此種程度之電阻率及燒結 體之密度之樣本可以實際被應周而不發生任何問題,當使 用在沒有任何特別的機械強度之要求下,使用之電壓不是 很高。當在高電壓下被使用時,假如施加足夠的絕緣處理 至導線’則不會有任何問題產生。 關於電阻率,為了給雜訊濾波器不少於丨〇6 Q cm之電 阻率,其係N i鐵氧體之特別值,最好使用電阻率與前直相 似或高於前值之樣本1到3 2號。 再者,第1到32號之比密度不小於4. 6g/cc,假設可獲 得足夠之機械強度。 如第8圖所不,具有六邊形鐵氧體之第1及第5號之磁 性透磁率超過蛇之限制線。 具有與LC平行電路相似之阻抗頻率特性之雜訊濾波器 ^使用本發明之雜訊遽波器來移除雜訊之方法可以有效地 ,除具有一特定頻率之雜訊。χ,他們可以移除不少於 ΟΜΗζ之高頻區之雜訊。使用六邊形鐵氧體心作為磁性物V. Description of the invention (19) The density of the sintered body (magnetic substance) is calculated from the external size of the vernier caliper, that is, the weight of the sample measured by an electronic weighing machine = / The magnetic permeability is generated by generating a ring-shaped sample, which has an outer diameter of 8_ Diameter and 1 Oram inner diameter and 6 bridging height, winding the sample-the leading edge uses an LCR meter (HP_4284A manufactured by HP) to measure the inductance and external size at 丨 kHz, and calculates from these values according to Japanese industrial standards The results of the magnetic and magnetic susceptibility ratios are shown in Table 2. From the results shown in Table 2, a specific resistance of 104 to} 〇8 and a density of the sintered body of 4. $ to 4.9 g / cc can be obtained. Samples with this degree of resistivity and density of the sintered body can be practically applied without any problems. When used without any special mechanical strength, the voltage used is not very high. When used at a high voltage, no problem will occur if sufficient insulation is applied to the wire &apos;. Regarding the resistivity, in order to give the resistivity of the noise filter not less than 〇〇6 Q cm, which is a special value of Ni ferrite, it is best to use a sample with a resistivity similar to or higher than the previous value1 Go to 3 2nd. Furthermore, the specific densities of Nos. 1 to 32 are not less than 4.6 g / cc, assuming that sufficient mechanical strength can be obtained. As shown in Fig. 8, the magnetic permeability of No. 1 and No. 5 having hexagonal ferrite exceeds the limit line of the snake. Noise filter with impedance-frequency characteristics similar to LC parallel circuits ^ The method of removing noise using the noise wave filter of the present invention can effectively remove noise with a specific frequency. χ, they can remove noise in the high-frequency region of not less than 0MΗζ. Use hexagonal ferrite core as magnetic

'68 36 8 五、發明說明C20) 質可以移除高頻區之雜訊,其不能為傳統鐵氧體心所移 除。再者,因為本發明之雜訊濾波器可以輕易地被使 用,所以可以輕易及便宜地測量雜訊。 本發明並不限於上述之實施例及範例,可在本發明之 目的範圍内做各種變化而顯現本發明之效用。'68 36 8 V. Description of the invention C20) mass can remove the noise in the high frequency region, which cannot be removed by the traditional ferrite core. Furthermore, since the noise filter of the present invention can be easily used, noise can be easily and cheaply measured. The present invention is not limited to the above-mentioned embodiments and examples, and various changes can be made within the scope of the object of the present invention to show the effect of the present invention.

第23頁Page 23

Claims (1)

4 6 8 36B 六、申請專利範圍 1. 一種雜訊濾波器,用於藉由將一導線纏繞在一作為 磁心之磁性物質而移除來自一電源線或信號線之雜訊,電 源線或信號線輪入一電源電流或電子信號電流,信號上疊 加有一雜訊,其中雜訊濾波器之阻抗之頻率特性具有一與 LC平行電路之特定调率相似之最大值,而雜訊之移除係在 包含自諧振頻率,即是特定頻率之自諧振頻率區實施。 2. 如申請專利範圍第1項之雜訊濾波器,其中該自諧 振不少於500MHz。 其中鐵氧體 其中鐵氧體 其中該鐵氧 其中該鐵氧 其中鐵氧體 3. 如申請專利範圍第1項之雜訊濾波器 係用於該磁性物質之中。 4. 如申請專利範圍第2項之雜訊濾波器 係用於該磁性物質之中= 5. 如申請專利範圍第3項之雜訊濾波器 體係一六邊形鐵氧體。 6. 如申請專利範圍第4項之雜訊濾波器 體係一六邊形鐵氧體。 7. 如申請專利範圍第3項之雜訊濾波器 之組成包含下列之主要成分: 68-74mol% 之Fe2 03, 15-22mol% 之MO ,及 4-13mo1 % 之MeO,及 下列之少量成分 0- 10wt% 之PbO,及 0 - 5 w t %之S i 02,作為氧化物,4 6 8 36B 6. Patent application scope 1. A noise filter for removing noise, power line or signal from a power line or signal line by winding a wire around a magnetic substance as a magnetic core A wire wheel is supplied with a power current or an electronic signal current, and a noise is superimposed on the signal. The frequency characteristic of the impedance of the noise filter has a maximum value similar to the specific modulation rate of the LC parallel circuit, and the noise is removed. It is implemented in the self-resonant frequency region that includes the self-resonant frequency, that is, a specific frequency. 2. For example, the noise filter of the scope of patent application, wherein the self-resonance is not less than 500MHz. Among them, ferrite, among them, the ferrite, among them, the ferrite, among them, the ferrite 3. The noise filter according to the first patent application range is used in the magnetic substance. 4. If the noise filter in the scope of patent application item 2 is used in the magnetic substance = 5. If the noise filter in the scope of patent application item 3 is a hexagonal ferrite. 6. Noise filter system in the scope of patent application: Hexagonal ferrite. 7. If the composition of the noise filter in item 3 of the patent application includes the following main components: 68-74mol% Fe2 03, 15-22mol% MO, and 4-13mo1% MeO, and the following minor components 0-10 wt% of PbO and 0-5 wt% of Si02, as oxides, 第24頁 ^36 8 六、申請專利範圍 其中Μ至少是Ba及Sr其中之一,而Me至少是Co,Ni,Zn, 及Cu 其中之一。 8. 如申請專利範圍第4項之雜訊濾波器,其中鐵氧體 之組成包含下列之主要成分: 68 -74mo 1 % 之Fe203 * 15-22mol% 之M0 ,及 4-13mol% 之MeO ,及 下列之少量成分 0- 10wt% 之PbO,及 0-5wt%之Si02,作為氧化物, 其中Μ至少是Ba及Sr其中之一,而Me至少是Co,Ni,Zn, 及Cu其中之一。 9. 如申請專利範圍第5項之雜訊濾波器,其中鐵氧體 之組成包含下列之主要成分 68-7 4moi% 之Fe2 03, 1 5 - 2 2 m 〇 i % 之 Μ 0,及 4 -1 3 in ο 1 % 之 M e 0,及 下列之少量成分 0-10wt% 之PbO,及 0-5wt%之Si02,作為氧化物, 其中Μ至少是Ba及Sr其中之一,而Me至少是Co,Ni,Zn, 及Cu其中之一。 1 〇.如申請專利範圍第6項之雜訊濾波器,其中鐵氧體 之組成包含下列之主要成分Page 24 ^ 36 8 6. Scope of patent application Where M is at least one of Ba and Sr, and Me is at least one of Co, Ni, Zn, and Cu. 8. For example, the noise filter of item 4 of the patent application scope, in which the composition of the ferrite contains the following main components: 68-74mo 1% Fe203 * 15-22mol% M0, and 4-13mol% MeO, And the following minor components: 0-10 wt% PbO and 0-5 wt% SiO2 as oxides, where M is at least one of Ba and Sr, and Me is at least one of Co, Ni, Zn, and Cu . 9. For example, the noise filter in the scope of patent application No. 5, in which the composition of the ferrite includes the following main components: 68-7 4moi% Fe2 03, 1 5-2 2 m 0i% M0, and 4 -1 3 in ο 1% of Me 0, and the following minor components 0-10wt% of PbO, and 0-5wt% of Si02 as oxides, where M is at least one of Ba and Sr, and Me is at least It is one of Co, Ni, Zn, and Cu. 1 〇. Noise filter according to the scope of patent application No. 6, wherein the composition of ferrite contains the following main components 第25頁 ΛΒΒ 368 六、申請專利範圍 68-74mol% 之Fe2 03, 15-22mol%之MO ,及 4~13mo1 % 之MeO,及 下列之少量成分 0 - 1 0 w 1: % 之 P b 0,及 0-5wt%之Si02,作為氧化物, 其中Μ至少是Ba及Sr其中之一,而Me至少是Co,Ni 52n, 及Cu其中之一。 11.如申請專利範圍第1項之雜訊濾波器,其被施加至 一電子裝置之電源線或信號線以測量雜訊。 1 2.如申請專利範圍第2項之雜訊濾、波器,其被施加至 一電子裝置之電源線或信號線以測量雜訊。 1 3.如申請專利範圍第3項之雜訊濾波器,其被施加至 一電子裝置之電源線或信號線以測量雜訊。 1 4.如申請專利範圍第4項之雜訊濾波器,其被施加至 一電子裝置之電源線或信號線以測量雜訊α 1 5.如申請專利範圍第5項之雜訊濾波器,其被施加至 一電子裝置之電源線或信號線以測量雜訊。 1 6.如申請專利範圍第6項之雜訊渡波器,其被施加至 一電子裝置之電源線或信號線以測量雜訊β 1 7.如申請專利範圍第7項之雜訊濾波器,其被施加至 一電子裝置之電源線或信號線以測量雜訊。 1 8.如申請專利範圍第8項之雜訊濾波器,其被施加至 一電子裝置之電源線或信號線以測量雜訊。Page 25 ΛΒΒ 368 6. Application range: 68-74mol% Fe2 03, 15-22mol% MO, and 4-13mo1% MeO, and the following small amount of components 0-1 0 w 1:% P b 0 And 0-5 wt% of SiO2 as oxides, where M is at least one of Ba and Sr, and Me is at least one of Co, Ni 52n, and Cu. 11. The noise filter according to item 1 of the patent application scope, which is applied to a power line or a signal line of an electronic device to measure noise. 1 2. The noise filter and wave filter according to item 2 of the scope of patent application are applied to the power line or signal line of an electronic device to measure noise. 1 3. The noise filter according to item 3 of the patent application scope is applied to a power line or a signal line of an electronic device to measure noise. 1 4. If the noise filter according to item 4 of the patent application scope is applied to the power line or signal line of an electronic device to measure the noise α 1 5. If the noise filter is included in item 5 of the patent application scope, It is applied to the power or signal lines of an electronic device to measure noise. 1 6. If the noise filter of item 6 of the patent application is applied to the power line or signal line of an electronic device to measure noise β 1 7. If the noise filter of item 7 of the patent application, It is applied to the power or signal lines of an electronic device to measure noise. 1 8. The noise filter according to item 8 of the patent application scope is applied to a power line or a signal line of an electronic device to measure noise. 第26頁 /1 ί: 36 8 六、申請專利範圍 1 9.如申請專利範圍第9項之雜訊濾波器,其被施加至 一電子裝置之電源線或信號線以測量雜訊。 2 0.如申請專利範圍第1 0項之雜訊濾波器,其被施加 至一電子裝置之電源線或信號線以測量雜訊。 21. —種防雜訊電子裝置,包含如申請專利範圍第11 項之雜訊濾波器,施加至一電子裝置之電源線或信號線。 2 2. —種防雜訊電子裝置,包含如申請專利範圍第1 2 項之雜訊濾波器,施加至一電子裝置之電源線或信號線。 2 3. —種防雜訊電子裝置,包含如申請專利範圍第1 3 項之雜訊渡波器,施加至一電子裝置之電源線或信號線。 2 4. —種防雜訊電子裝置,包含如申請專利範圍第1 4 項之雜訊濾波器,施加至一電子裝置之電源線或信號線。 2 5. —種防雜訊電子裝置,包含如申請專利範圍第15 項之雜訊濾波器,施加至一電子裝置之電源線或信號線。 2 6 . —種防雜訊電子裝置,包含如申請專利範圍第1 6 項之雜訊濾波器,施加至一電子裝置之電源線或信號線。 2 7. —種防雜訊電子裝置,包含如申請專利範圍第1 7 項之雜訊濾波器,施加至一電子裝置之電源線或信號線。 28. —種防雜訊電子裝置,包含如申請專利範圍第1 8 項之雜訊濾波器,施加至一電子裝置之電源線或信號線。 29. —種防雜訊電子裝置,包含如申請專利範圍第19 項之雜訊濾波器,施加至一電子裝置之電源線或信號線。 30. —種防雜訊電子裝置,包含如申請專利範圍第20 項之雜訊濾波器,施加至一電子裝置之電源線或信號線。Page 26/1: 36 8 6. Scope of Patent Application 1 9. The noise filter of item 9 of the scope of patent application is applied to the power line or signal line of an electronic device to measure noise. 20. The noise filter according to item 10 of the patent application scope is applied to a power line or a signal line of an electronic device to measure noise. 21. An anti-noise electronic device, including a noise filter such as the item 11 of the scope of patent application, which is applied to a power line or a signal line of an electronic device. 2 2. —A kind of anti-noise electronic device, including a noise filter such as item 12 of the scope of patent application, applied to the power line or signal line of an electronic device. 2 3. —A kind of anti-noise electronic device, which includes the noise wave device such as item 13 of the scope of patent application, which is applied to the power line or signal line of an electronic device. 2 4. —A kind of anti-noise electronic device, including a noise filter such as item 14 of the scope of patent application, applied to the power line or signal line of an electronic device. 2 5. — An anti-noise electronic device, including a noise filter such as the item No. 15 of the patent application scope, which is applied to the power line or signal line of an electronic device. 2 6. An anti-noise electronic device including a noise filter such as the item No. 16 of the scope of patent application, which is applied to the power line or signal line of an electronic device. 2 7. An anti-noise electronic device, including a noise filter such as item 17 of the scope of patent application, applied to a power line or signal line of an electronic device. 28. An anti-noise electronic device, including a noise filter such as the item No. 18 of the patent application scope, which is applied to a power line or a signal line of an electronic device. 29. An anti-noise electronic device including a noise filter such as item 19 of the scope of patent application, which is applied to a power line or a signal line of an electronic device. 30. An anti-noise electronic device, including a noise filter such as the scope of patent application No. 20, applied to a power line or a signal line of an electronic device. 第27頁 d 6 8 36 B 六、申請專利範圍 3 1. —種藉由雜訊濾波器自電源線或信號線移除雜訊 之方法,電源線或信號線輸入有電源電流或電子信號電流 並疊加有雜訊,雜訊濾波器為一纏繞有導線,作為磁心之 磁性物質dPage 27 d 6 8 36 B 6. Application for Patent Scope 3 1. —A method to remove noise from the power line or signal line by using a noise filter. The power line or signal line is supplied with power current or electronic signal current. Noise is superimposed. The noise filter is a magnetic substance with a wire wound as a magnetic core. D 第28頁Page 28
TW089112507A 1999-07-06 2000-06-26 Noise filter, electronic apparatus subjected to noise countermeasure, and method for removing noise TW468368B (en)

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US9584187B2 (en) 2012-10-15 2017-02-28 Broadcom Corporation Non-interruptive filtering of transmission line communications
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