1261981 九、發明說明： 【發明所屬之技術領域】 本案係為一種無線射頻發射裝置’尤指一種無線射頻頻移按 鍵法發射裝置。 ' > 女 【先前技術】1261981 IX. Description of the invention: [Technical field to which the invention pertains] The present invention is a radio frequency transmitting device, particularly a radio frequency shifting key emitting device. ' > Female 【Prior Art】
習知通訊系統之頻率調變方式，或許使用類比式調頻 (frequency modulation，FM)模式，或是頻移按鍵法 (frequency-shift keying，FSK)模式，其原理均是以調制變化不 同的輸出頻率作為資訊傳送的方式，將音頻信號調變至高頻載波 上，藉由天線發射出去。 習用之FSK通訊調變方式，仍延用傳統類比調頻（FM)通訊 輸架構，僅是將輸入類比音頻信號改變成數位邏輯資料，其調變 發射裝置依舊延用傳統類比調頻通訊傳輸架構。請參閱第二U圖， 其係習知混波器調頻之調變方式。如圖所示，將欲傳送之低^之 基頻訊息Fm，透過混波器ll(mixer)與本地高頻之本地振盪器 12(local oscillator)所產生之F〇sc信號進行混頻動作，將低^The frequency modulation method of the conventional communication system may use an analog frequency modulation (FM) mode or a frequency-shift keying (FSK) mode, and the principle is to use different output frequencies of modulation variation. As a means of information transmission, the audio signal is modulated onto a high frequency carrier and transmitted through an antenna. The conventional FSK communication modulation method still uses the traditional analog frequency modulation (FM) communication transmission architecture, which only changes the input analog audio signal into digital logic data, and its modulation transmitter still uses the traditional analog FM communication transmission architecture. Please refer to the second U diagram, which is a modulation method of the conventional mixer frequency modulation. As shown in the figure, the low frequency fundamental frequency message Fm to be transmitted is mixed by the mixer ll (mixer) and the F 〇 sc signal generated by the local high frequency local oscillator 12 (local oscillator). Will be low ^
Fm訊息載送至高頻f〇sc信號上，經過濾波器13與射頻功率放= 為14後，再經由LC發射天線15傳送出去。上述調變方式因受限 於混波器11與濾波器13等類比電路之使用，因此其應用模 為複雜，為設計方便，整個系統最起碼被劃分成兩大獨立區塊广 因此，欲整合數位介面與射頻發射介面於單一積體電路有其一定 難度。 上以另、苇見之習用間接頻率鎖相迴路(phase—locked loop, PLL) 调變方ί如第二圖所示。如圖所示，晶體振盪器21提供一穩定之 芩考振盪頻率（Fref)給鎖相迴路22，以進行特定頻率之鎖定◦其 中該鎖相迴路22 N之相位比較器221個以比較該參考振盡頻/率 req與肩鎖相迴路22之輸出頻率（Fin)之相位差，電壓控制振盪 1261981 器 222(v〇Uage—controlied 咖⑴时 據訊息(data)，_根據該相位比較哭22 = 馬合欲傳送之數 f制電壓來控繼輸出頻率(Fln) 率；3出-調整 _器22]以鎖定發射頻率外， 了回授給該相位 ⑽發射天線24發射出去，以完成訊率放大器23 鎖相迴路路所取代， 而，現存之電辩γ制H湯哭二 ^、、之凋變载波信號，铁 福軸‘ 是訊息處理等特殊考量時，近距離;頻使用或 會損及其普及化的程度。因此本路=部元件，將 價且簡易之FSK調變發射㈣，以辨一，係希暨提供—廉 ^射糸統’以擴展热線數據通訊之應用範疇。 示，其係將之換J頻之調變方式。如圖所 與LC發射天線33傳送體：=”率 少需使用兩=二： 其應用設計之複^度賴訊號源間之互擾與依存關係，增加 體系統成本考量下，混波器或鎖相迴路兩曰 殊類比射頻積體電路，或需要部份特殊 ^61981 ^路$: 。同時’ 有產品皆須複雜昂貴的發射接收 差針對簡單數據傳輸，提供簡易的無 呢？ 線射ίίί y請尸知技術之缺失，發明出本案「無 縣置」，用以改善上述制手段之缺失。 f發明内容】 -振線_發健置，其包含 盈器之輪出端，用關制該_样、:^2電J;串聯於該振 工，文大器，電連接於該振逢器、⑽;一， 疋之發射功率需求喊生—能量.= 辰賴率，亚根據設 頻功率放大n，係触該·，並魏電f接於該射 如所述之無線射題軸壯罢t身/ 5周文載波信號。 如戶&之晶體振盈器。 晶體。 術^ 4甩曰曰體係為-N型金氧半電 如所述之热線射頻發射裝置，該調 之輸出端與該N型金氧半電晶體之錄=串耳外於该振盈器 該振缝半電晶體關閉時， 率。 蝴寸不變，該振盪器輸出-第—振盪頻 如所述之热線射頻發矣壯 a 該調制電容與該振晶體導通時， 如所述之無線射頻細壯：D 一振盈頻率。 頻率之差量)係^制電^振飾率與該第二振ι 根據上’本案另提供—種無線射頻發射控制器’其包 1261981 】、、θϊ盟器，用以提供一穩定之振盪頻率；一調制带六. 二盥态之輸出端，用以調制該振盪頻率；一微控:令，串聯於該 =率放大器與-控制接腳，並經由該控制接“|接2-射頻 冗及-發射天線’電連接於該微控制器，發射^ —無該無線射頻發射控制器係為 ^口所述之無線射頻發射控制器，該振盛器係 控制;:述之無線射頻發射控繼，該控制接㈣出 ^所述之無線射頻發射控制器，#該輸人/ ，式或輸出為高阻抗工作位準時，該振盡腳為輸 交，該振盪器輸出一第一振盪頻率。 出、之電各量不 =述之無線射頻發射控制器，當該輸入/ 輸㈣“為- _ 率二 電 射=設; 艾載波信號由該發射天線發射出去。 旱而求，將該調 ，之輸入端，用以調制該羊」電以，該振 容與一接地端之間，係香一數你21，j =9肢連接於該調制電 功率放大_ 一射頻 定之發射功率需求而產生—能量連= 8 1261981 頻功f 收該能量，並發射1變 線射頻頻移按鍵法（frequency_shlft'k、e 置係為—無 如所述之無線射頻發射裝置，置。 如所述之無線射頻發射裝置，奶係為曰曰體振盈器。 晶體。 丑係為一 N型金氧半電 如所述之無線咖發職置，該調 之輸入端與該N型金氧半電晶體之汲極間。糸串恥於該振盪器 如所述之無線射頻發射裝置，當該N =盪器輸人端之電容餘持残，雜 如所述之無線射頻發射裝置，當該Ν =周制電容與該振盡器輸人端之電容係並聯=^日日體導通時， 盟盗輸入端之電容量，錄盪器輸出 而增加該振 如所述之鱗侧魏裝置，該第^ 頻率之差值(調制量）係由該調制電容控制。 >、’、與5亥第二振盪 根，士述構想’本案再提供—種無線射頻 而、 3-缝$ ’用以提供—穩定之振細率包 振盪器之輸入端，用以調制該振盪頻率二=聯於該 一發射天線’電連接於該軸，用以 —無該無線射頻發射控制器係為 如所述之無線射頻發射控制器，該振盈器 控制=之—輸ί = 、飞娜出為冋阻抗工作位準時，該振盈器輸入端之電容量不 9 1261981 變，該振盪器輸出-第-振盪頻率。 該振盈器輸入端之電容量;振^^作位準時，將增加 如所述之無線射頻發射批岳輸出弟—振盥頻率。 輪出與輸入共用之互補▲全f :邊輸入/輸出控制接腳係為- 盥頻率之差值（調制量）係π亥弟振盟頻率與該第二振 如所述之|線tff制電容控制。 【實施方式】 請參閱第四圖，J：係*安土 構圖，該FSK調變電路^卞—較佳實施例之卿調變電路之架 體42、-調制電容、-N型金氧半電晶 45。如圖所示，本案係利值絲=率放^為44、及一LC發射天線 回授電阻R，與顧電容、:日日體振魅41，配合反向電路INV， 出。若改變C2之電容量，將^ 2，提供二穩定之第一振盪頻率輸 本案係利用CMOS製程之今M 接改變該第一振盪頻率輸出，因此 Cx至該晶體振|器41 ^ =氧半電晶體42,連接該調制電 入端之_。放大㈣之輪 氧半電晶體42導通，該二為: 1時，該N型金 電容Cx與該晶體振盪器 此時，該調制 C2之電容量，因此該晶體振還哭Hi = ’ ^即等效加大電容 之，當輸出資料dataB為數位‘，二弟頻率輪出。反 4 2關閉，該調制電容Cx浮 耳:’ 5 /型金氧半電晶體 此時，該晶體振簠器4〗日日脰振盈态41内之電容C2不變， 率與該第二振_^視n:·頻率輸出。該第-振盈頻 ，出貝料data之狀態產出，再經由該射 10 1261981 頻功ίί 3|與^ LC發射天線45傳送出去。 正月豆调變電路係由 雕二，®太 體42，該調制電容Cx、該射，該N型金氧半電晶 輕易地在互補式金氧半刻型金氧半電晶體42可以 接腳即可完成。因此，若利 ^發現，利用一般10輸入控制 容Cx至晶體振盪器41之輪 ^ j輸入控制接腳，串接調制電 第二振盪頻率後傳送至該射頻：率大^該第—振盪頻率或該 線45發射出去，即可輕易完成概調變③。，再經由該LC發射天 本案^可結合數位微控制 路内，以構成一簡易FSK調變貝力f放大态於同一積體電 示，整體FSIU周變控制器僅:^ ^m(a)所示。如圖所 制器53、-外部晶體振盡器51、__3^^率放大器531之微控 射天線54構成’其中_制電容Cx°受—外部， 半電晶體532輸出接腳控制，去八&工态之一N型金氧 為數位邏輯’’ Γ時，該N型金 1半==2^體5_級· Cx可視同接地，目為上’ _制電容 並聯，亦即加大電以2之電容量，因此内之電容C2 第二振盪頻率輸出。 及日日肢振盥器51產生一 請參閱第五圖（b)，其係本案另 器之架構圖。第五圖⑹所示之FSK調變^調變控制 電路之-般CMOS架構之輸出與輸 ;J用CMOS « 二振盪頻率。 乐振盟頻率與該第 同理，如第六圖與第七圖（a)(b) 於該晶體振盪器4卜51之輸人端㈣容Cx係串聯 41、51輸入端0SC1之電容量，亦可麵易*文f该晶體振盪器 器。 ^工“成1UFSK調變控制 在第六圖所示機調變控制器中，該調制電容⑴系置於該 1261981 N型金氧半電晶體42與該晶體振 輸出資料dataB為數位邏輯，，1” ίΓ Μ之輸入知0SC1之間。當 通，該調制電容Cx可視同接地，二士 型金氧f電晶體42導 振盪器41内之電容C1並聯，亦即Λ 該調制電容Cx與該晶體 晶體振盪器41產生該第二振盪頻率；電容C1之電容量，因此該 制電容Cx決定。反之，當輸出資f出，而頻率調制量則由該調 該N型金氧半電晶體42關閉，該調=為數位邏輯” 〇，，時， 體振盪器41内之電容C1不變，此栌| ^谷以可視同洋接，該晶 -振盡頻率輸出。該第—振_ 晶體振㈣41產生該第 料data之狀態產出，再經由該射罘二振盪頻率會視輸出資 線45傳送出去。 士湧功率放大器44與該LC發射天 ^請參閱第七圖（a)，其係本案又 态之架構圖。在第七圖（a)中，^ 乂仏貫施例之FSK調變控制 半電晶體532與該晶體振蓋器於電容Cx係置於該N型金氧 數位微控制器53與射頻功率放大哭^入端0SC1之間，其係結合 成一簡易FSK調變控制器。 μ 31於同一積體電路内，以構 第七圖（b)所示係為本案再— 杀構圖，其中該調制電容Cx係=汽施例之FSK調變控制器之 晶難盡器51之輸入端。SC1之=N型金氧半電晶體532與該 牙貝體電路之一般CMOS架構之輪屮盘二K "周、交控制态係使用CMOS 制該晶體振盪器51輸出端之=别入接腳作為控制接腳，以控 該第二振盪頻率。 谷里，進而產生該第一振盪頻率與 表丁、上所述，本案係提供— ，計複雜之射頻相關電路，^易;^射頻FSK發射裳置，將原 谷、一射頻功率放大器、一金氧 曰—晶體振盡器、-調制電 簡易單-頻道FSK無線射=體與-發射天線所構成之 此外，更利用常見CMOS製&程 1衣+〜置: ，控制11巾，設計-内含㈣功=’/^義辦放大器於數 微控制器之-根—般輸人/輪、Η 狀微控制器，並利用 I制接腳連接一外部調制電容，控 1261981 制改變晶體振盤器之振盈頻率， 控制器。 ' 以完成一簡易無線射頻FSK發射 如此’將大幅降低FSK數位調變系統之複雜度與實現之 十，故本案不僅提供一簡易無線射頻FSK發射 本。因此，本案能有效_知^術之ΐ 疋故具有產業彳貝值，進而達成發展本案之目的。 、本案得由熟悉本技藝之人士任施匠思而為諸般修飾，铁 脱如附申請專利範圍所欲保護者。 …白不 •【圖式簡單說明】 第一圖：其係習知混波器調頻之調變方式。 第二圖：其係習知鎖相迴路之調變方式。 第三圖：其係習知頻率切換調頻之調變方式。 第四圖··其係本案一較佳實施例之FSK調變電路之架構圖。 第五圖（a):其係本案一較佳實施例之FSK調變控制器之架構圖。 苐五圖（b) ··其係本案另一較佳實施例之FSK調變控制器之架構固 鲁 弟/、圖：其係本案另一較佳實施例之FSK調變電路之架構圖。 • 第七圖（a):其係本案又一較佳實施例之FSK調變控制器之架構圖 • 第七圖（b):其係本案再一較佳實施例之FSK調變控制器之架構圖 【主要元件符號說明】 11:混波器 13:濾波器 15:LC發射天線 12:本地振盪器 14:射頻功率放大器 21:晶體振盪器 1261981 22:鎖相迴路 222:電壓控制振盪器 24:LC發射天線 32:射頻功率放大器 41:晶體振盪器 43:調制電容 45:LC發射天線 52:調制電容 531:射頻功率放大器 54:LC發射天線 221:相位比較器 23:射頻功率放大器 31:頻率切換選擇電路 33:LC發射天線 42:N型金氧半電晶體 44:射頻功率放大器 51:晶體振盪電路 53:微控制器 532:N型金氧半電晶體 14The Fm message is carried to the high frequency f〇sc signal, and after passing through the filter 13 and the RF power output = 14, it is transmitted through the LC transmitting antenna 15. The above modulation method is limited by the use of the analog circuit such as the mixer 11 and the filter 13, so the application mode is complicated, and the design is convenient, and the whole system is at least divided into two large independent blocks. Therefore, it is intended to be integrated. The digital interface and the RF transmission interface have certain difficulties in a single integrated circuit. In the other way, the indirect frequency phase-locked loop (PLL) modulation is used as shown in the second figure. As shown, the crystal oscillator 21 provides a stable reference oscillation frequency (Fref) to the phase-locked loop 22 for specific frequency locking, wherein the phase comparator 221 of the phase-locked loop 22 N compares the reference The phase difference between the frequency/rate req and the output frequency (Fin) of the shoulder-locked loop circuit 22, the voltage control oscillation 1261981 222 (v〇Uage-controlied coffee (1) according to the message (data), _ according to the phase comparison cry 22 = The number of voltages f to be transmitted by the horse is controlled to control the output frequency (Fln) rate; the 3 output-adjustment_device 22 is used to lock the transmission frequency, and the feedback is sent to the phase (10) transmitting antenna 24 to complete the signal. The rate amplifier 23 is replaced by a phase-locked loop circuit. However, the existing electrical gamma system 汤H soup is crying two, and the carrier signal is changed. The Tiefu axis is a special consideration when dealing with information, such as close-range; frequency use or meeting The extent of the damage and its popularity. Therefore, the original = part of the component, the price and the simple FSK modulation and emission (four), to identify one, the Department of Xi and provide - Lian ^ 糸 ' ' to expand the application line of hotline data communication Show, it is the way to change the J frequency modulation. As shown in the figure and LC The transmitting antenna 33 transmits: "The rate is less than two = two: the mutual design of the application is based on the mutual interference and dependence between the sources, increasing the cost of the system, the mixer or phase-locked loop Special analog RF integrated circuit, or need some special ^61981 ^ road $: . At the same time 'have products need complex and expensive transmission and reception difference for simple data transmission, providing simple no? Line ί ί ί ί The lack of this case, the invention of the case "no county", to improve the lack of the above-mentioned means. f invention content] - vibration line _ hair health, which contains the wheel of the surplus, use the system to close the _ sample, ^2电J; connected in series with the vibrator, Wenda, electrically connected to the vibrating device, (10); one, the transmission power demand of the 喊 — 能量 - energy. = Chen Lai rate, sub-according to the frequency power amplification n, Touch the ·, and Wei D f connected to the radio as described above, the wireless axis of the axis of the body t / 5 weeks of carrier signal. The crystal oscillator of the household & crystal. The ^ 4 system is -N-type gold-oxygen semi-electricity as described in the hot-line RF emission device, the output of the adjustment and the N-type gold oxide semi-electric crystal The recording of the body = the outer ear of the stringer when the vibrating half of the transistor is turned off, the rate is unchanged. The output of the oscillator - the first oscillating frequency is as strong as the radio frequency of the radio frequency. When the capacitor is connected to the crystal, the radio frequency is as strong as: D is the frequency of the vibration. The difference between the frequency and the frequency is the same as that of the second vibrating unit. The radio frequency transmitting controller 'its package 1261981 】, θ ϊ 器 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Connected to the = rate amplifier and the control pin, and electrically connected to the microcontroller via the control interface, the radio frequency redundancy-transmitting antenna is transmitted to the microcontroller, and the radio frequency emission controller is The radio frequency transmitting controller described in the mouth, the vibrating device is controlled; the wireless radio frequency transmitting control is described, and the control is connected to the radio frequency transmitting controller described in the fourth, and the input/output or output is When the high-impedance working level is on time, the excitation pin is the input, and the oscillator outputs a first oscillation. Rate. The output of the power is not = the radio frequency emission controller, when the input / output (four) "is - _ rate two electric radiation = set; the A carrier signal is transmitted by the transmitting antenna. The input end is used to modulate the sheep "electricity", between the vibration capacity and a grounding end, the fragrant number is 21, j = 9 limbs are connected to the modulated electric power amplification _ a radio frequency determines the transmission power demand - Energy connection = 8 1261981 Frequency power f to receive this energy, and emit 1 variable line RF frequency shift button method (frequency_shlft'k, e is set to - no radio frequency transmitter as described, set. Wireless as described RF transmitter, the milk system is the body vibrator. Crystal. Ugly is an N-type gold-oxygen semi-electricity as described in the wireless coffee service, the input of the adjustment and the N-type oxy-oxygen semiconductor汲 糸 糸 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该The capacitance of the circumference is connected in parallel with the capacitance of the input end of the oscillating device = ^ When the Japanese body is turned on, the thief input terminal The electric capacity, the output of the recorder increases the vibration of the squall-like device, and the difference (modulation amount) of the first frequency is controlled by the modulation capacitor. >, ', and the second oscillation of 5 hai Root, the concept of the syllabus 'this case is provided again - a type of radio frequency, 3-slit $ ' to provide - the input of a stable vibrating rate oscillator, used to modulate the oscillating frequency two = connected to the transmitting antenna 'Electrically connected to the shaft for use - the radio frequency emission controller is not the radio frequency emission controller as described, the vibrator control = the input ί =, the fly 出 is the 冋 impedance working level The capacitance of the input end of the vibrator is not changed by 9 1261981. The oscillator outputs - the first oscillation frequency. The capacitance of the input end of the vibrator; the vibration of the vibrating device is on time, and the radio frequency as described is added. Launch batch Yue output brother - vibrating frequency. Complementary and exclusive sharing ▲ full f: side input / output control pin is - 盥 frequency difference (modulation amount) is π Haidi Zhenmeng frequency and the first The second vibration is as described above | Line tff capacitance control. [Embodiment] Please refer to the fourth figure. , J: Department * An earth composition, the FSK modulation circuit ^ 卞 - preferred embodiment of the Qing modulation circuit frame 42, - modulation capacitance, - N type gold oxide half-electrode 45. As shown In this case, the profit value of the wire = the rate of ^ is 44, and an LC transmitting antenna feedback resistor R, and the capacitance, the sun body vibration 41, with the reverse circuit INV, if the capacitance of C2 is changed, 2, providing a second stable first oscillation frequency input system, using the CMOS process to change the first oscillation frequency output, so Cx to the crystal oscillator 41 ^ = oxygen half transistor 42, connecting the modulation The input terminal _. amplifies (4) the wheel oxygen half transistor 42 is turned on, the second is: 1 when the N-type gold capacitor Cx and the crystal oscillator at this time, the modulation C2 capacitance, so the crystal oscillator Crying Hi = ' ^ is equivalent to increase the capacitance, when the output data2 is digital ', the second brother frequency rounds out. Inverting 4 2 off, the modulation capacitor Cx float: '5 / type MOS semi-transistor at this time, the crystal vibrator 4 〗 The capacitance C2 in the daily oscillating state 41 is unchanged, the rate and the second Vibration _^ view n: · frequency output. The first-invigorating frequency is outputted by the state of the data, and then transmitted through the transmitting antenna 45. The Zhengyue bean modulation circuit is made of the engraving two, the ® body 42, the modulation capacitor Cx, the shot, and the N-type gold-oxygen semi-electron crystal can be easily connected in the complementary gold-oxygen half-etched metal oxide semi-transistor 42 The foot can be completed. Therefore, if it is found, the control pin is input to the wheel of the crystal oscillator 41 by using a general 10-input control capacitor Cx, and the second oscillation frequency is serially modulated and transmitted to the radio frequency: the rate is large ^ the first oscillation frequency Or the line 45 is launched, and the adjustment can be easily completed. And then through the LC launching the sky case ^ can be combined with the digital micro-control circuit to form a simple FSK modulation Bei Li f amplification state in the same integrated body display, the overall FSIU circumferential variable controller only: ^ ^ m (a) Shown. As shown in the figure, the external crystal resonator 51, the __3^^ rate amplifier 531 of the micro-control antenna 54 constitutes 'where _ capacitance Cx ° receives - external, half-crystal 532 output pin control, go eight One of the & working states N-type gold oxygen is digital logic '' Γ, the N-type gold 1 half == 2^ body 5_ level · Cx can be seen as grounding, the purpose is ' _ capacitance parallel, that is, plus The large electric power has a capacity of 2, so the inner capacitor C2 outputs the second oscillation frequency. And the Japanese and Japanese limb vibrators 51 are produced. Please refer to the fifth figure (b), which is the structural diagram of the case. The output and output of the FSK modulation/modulation control circuit shown in Figure 5 (6) is the same as that of the CMOS architecture. The Le Zhenmeng frequency is the same as the first one, as shown in Fig. 6 and Fig. 7(a)(b). The capacitance of the crystal oscillator 4b 51 (4) capacitive Cx series 41, 51 input 0SC1 It can also be used as a crystal oscillator. ^工" into 1UFSK modulation control in the sixth diagram of the machine modulation controller, the modulation capacitor (1) is placed in the 1261981 N-type MOS transistor 42 and the crystal oscillator output data dataB is digital logic, 1" Γ Μ 输入 Input between 0SC1. When the pass, the modulation capacitor Cx can be regarded as being grounded, and the capacitor C1 in the oscillator 41 of the two-type gold-oxygen f-electrode 42 is connected in parallel, that is, the modulation capacitor Cx and the crystal crystal oscillator 41 generate the second oscillation frequency. The capacitance of the capacitor C1, so the capacitance Cx is determined. Conversely, when the output resource f is output, and the frequency modulation amount is turned off by the N-type MOS transistor 42, the modulation is a digital logic 〇, when the capacitance C1 in the body oscillator 41 is unchanged, This 栌|^谷谷 visible, the crystal-shock frequency output. The first-vibration _ crystal oscillator (four) 41 produces the state of the data, and then the output frequency is viewed via the oscillating frequency 45. The transmission is performed. The surge current amplifier 44 and the LC emission day ^ Please refer to the seventh figure (a), which is the structural diagram of the case. In the seventh figure (a), ^ FK of the example The modulation control half transistor 532 and the crystal oscillator are placed between the N-type gold-oxygen digital controller 53 and the RF power amplification crying terminal 0SC1 in the capacitor Cx, and the system is combined into a simple FSK modulation control. μ 31 is in the same integrated circuit, and the structure shown in the seventh figure (b) is the same as the case-killing picture, wherein the modulation capacitor Cx system=the FSK modulation controller of the steaming example Input of 51. SC1 = N-type gold-oxygen semi-transistor 532 and the general CMOS structure of the dental shell circuit rim disk two K " week, pay The state system uses CMOS to make the output pin of the output of the crystal oscillator 51 as a control pin to control the second oscillation frequency. In the valley, the first oscillation frequency is generated, and the above, This case provides -, complex RF related circuits, ^ easy; ^ RF FSK launching, set the original valley, a radio frequency power amplifier, a gold oxygen - crystal vibrator, - modulation electric simple single - channel FSK wireless shot In addition to the body and - transmit antenna, the use of the common CMOS system & 1 1 + set:, control 11 towel, design - contains (four) work = ' / ^ Yi amplifier in the digital microcontroller - Root-like input/wheel, Η-like microcontroller, and use an I-made pin to connect an external modulation capacitor, control 1261981 to change the vibration frequency of the crystal oscillator, controller. 'To complete a simple radio frequency FSK The launch of this will greatly reduce the complexity and implementation of the FSK digital modulation system, so this case not only provides a simple radio frequency FSK transmission. Therefore, this case can be effective _ know ^ ΐ 疋 疋 具有 具有 具有 具有 具有 具有 具有 具有In order to achieve the purpose of the development of the case. The case is modified by people who are familiar with the art, and the iron is removed as required by the scope of the patent application. ... 白不• [Simple description of the figure] The first picture: the system is a conventional mixer The modulation method of frequency modulation. The second picture: the modulation mode of the conventional phase-locked loop. The third picture: the modulation method of the frequency switching frequency modulation. The fourth figure is a preferred embodiment of the present invention. The architecture diagram of the FSK modulation circuit. The fifth diagram (a): which is the architecture diagram of the FSK modulation controller according to a preferred embodiment of the present invention. Figure 5 (b) · · This is another preferred implementation of the present case For example, the architecture of the FSK modulation controller is based on the architecture of the FSK modulation circuit of another preferred embodiment of the present invention. • Figure 7 (a): Architecture diagram of the FSK modulation controller of another preferred embodiment of the present invention. • Figure 7 (b): This is a FSK modulation controller of another preferred embodiment of the present invention. Architecture diagram [Main component symbol description] 11: Mixer 13: Filter 15: LC transmit antenna 12: Local oscillator 14: RF power amplifier 21: Crystal oscillator 1261981 22: Phase-locked loop 222: Voltage controlled oscillator 24 : LC Transmitting Antenna 32: RF Power Amplifier 41: Crystal Oscillator 43: Modulation Capacitor 45: LC Transmitting Antenna 52: Modulation Capacitor 531: RF Power Amplifier 54: LC Transmitting Antenna 221: Phase Comparator 23: RF Power Amplifier 31: Frequency Switching selection circuit 33: LC transmitting antenna 42: N-type MOS transistor 44: RF power amplifier 51: Crystal oscillating circuit 53: Microcontroller 532: N-type oxy-halide transistor 14