JPS63136420U - - Google Patents
Info
- Publication number
- JPS63136420U JPS63136420U JP2819787U JP2819787U JPS63136420U JP S63136420 U JPS63136420 U JP S63136420U JP 2819787 U JP2819787 U JP 2819787U JP 2819787 U JP2819787 U JP 2819787U JP S63136420 U JPS63136420 U JP S63136420U
- Authority
- JP
- Japan
- Prior art keywords
- flat
- electrode
- flat plate
- capacitor
- pass filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
- Filters And Equalizers (AREA)
Description
第１図ａは本考案による低域ろ波器の一実施例
を示す斜視図、第１図ｂは第１図ａの低域ろ波器
を分解して示す分解斜視図、第１図ｃは第１図ａ
の低域ろ波器を組み込んだ中・短波発振増幅装置
の一例を示す斜視図、第２図ａはπ型低域ろ波器
の基本構成を示す回路図、第２図ｂは第２図ａの
回路の低域ろ波器のろ波特性を示す特性図、第３
図ａは従来使用された集中定数型低域ろ波器の構
造の一例を示す斜視図、第３図ｂは第３図ａの集
中定数型低域ろ波器の等価回路図、第３図ｃは第
３図ｂに示す等価回路を持つ抵域ろ波器のろ波特
性を示す特性図である。
１……第１の平板状電極、２，７……誘電体板
、３……コイル、４……コイル入力端、５……絶
縁平板、６……第２の平板状電極、８……第３の
平板状電極、９……出力側同軸端子の外部導体、
１０……出力側同軸端子の内部導体（コイル出力
端）、１１……絶縁ブツシング、１２……組立ボ
ルト、２１……装置の筐体、２２……低域ろ波器
、２３……低域ろ波器出力側同軸フイダ、１５…
…硝子絶縁体、１６……組立シヤーシ、Ｌ……イ
ンダクタンス、Ｌ１，Ｌ２……リード線のインダ
クタンス、Ｃ……コンデンサ、Ｃ３……漂遊容量
。
FIG. 1a is a perspective view showing an embodiment of the low-pass filter according to the present invention, FIG. 1b is an exploded perspective view showing the low-pass filter of FIG. 1a, and FIG. 1c is Figure 1a
FIG. 2a is a circuit diagram showing the basic configuration of a π-type low-pass filter, and FIG. 2b is a diagram of FIG. Characteristic diagram showing the filtering characteristics of the low-pass filter of circuit a, 3rd
Figure a is a perspective view showing an example of the structure of a conventionally used lumped constant type low-pass filter, Figure 3 b is an equivalent circuit diagram of the lumped constant type low-pass filter shown in Figure 3 a, and Figure 3 FIG. 3c is a characteristic diagram showing the filtering characteristics of the resistance band filter having the equivalent circuit shown in FIG. 3b. DESCRIPTION OF SYMBOLS 1... First flat electrode, 2, 7... Dielectric plate, 3... Coil, 4... Coil input end, 5... Insulating flat plate, 6... Second flat electrode, 8... Third flat electrode, 9... Outer conductor of output side coaxial terminal,
10...Inner conductor of output side coaxial terminal (coil output end), 11...Insulating bushing, 12...Assembling bolt, 21...Device casing, 22...Low-pass filter, 23...Low frequency Filter output side coaxial feeder, 15...
... Glass insulator, 16 ... Assembly chassis, L ... Inductance, L 1 , L 2 ... Lead wire inductance, C ... Capacitor, C 3 ... Stray capacitance.
Claims (1)
るインダクタンスと；前記平板状導体の片面に誘
電体の絶縁平板と第１の平板状電極とをこの順序
に重ね合わせてなり、前記平板状導体および前記
第１の平板状電極を両極とする第１のコンデンサ
と；前記平板状導体の他の片面に絶縁平板と第２
の平板状電極と誘電体の絶縁平板と第３の平板状
電極とをこの順序に重ね合わせてなり、前記第２
の平板状電極および前記第３の平板状電極を両極
とする第２のコンデンサと；前記インダクタンス
と前記第１及び第２のコンデンサとをまとめて固
定する手段とを備えることを特徴とする低域ろ波
器。 an inductance formed by making a spiral cut in a flat conductor; an inductance formed by stacking a dielectric insulating flat plate and a first flat electrode on one side of the flat conductor in this order; a first capacitor having first flat electrodes as both poles; an insulating flat plate and a second capacitor on the other side of the flat conductor;
A flat electrode, a dielectric insulating flat plate, and a third flat electrode are stacked in this order, and the second
a second capacitor having the flat plate electrode and the third flat plate electrode as both poles; and means for fixing the inductance and the first and second capacitors together. Filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2819787U JPH0514573Y2 (en) | 1987-02-26 | 1987-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2819787U JPH0514573Y2 (en) | 1987-02-26 | 1987-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63136420U true JPS63136420U (en) | 1988-09-07 |
| JPH0514573Y2 JPH0514573Y2 (en) | 1993-04-19 |
Family
ID=30830935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2819787U Expired - Lifetime JPH0514573Y2 (en) | 1987-02-26 | 1987-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0514573Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0346224U (en) * | 1989-09-11 | 1991-04-30 |
-
1987
- 1987-02-26 JP JP2819787U patent/JPH0514573Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0346224U (en) * | 1989-09-11 | 1991-04-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0514573Y2 (en) | 1993-04-19 |
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