JPS5959026U - Band-stop filter with switching function - Google Patents
Band-stop filter with switching functionInfo
- Publication number
- JPS5959026U JPS5959026U JP15466082U JP15466082U JPS5959026U JP S5959026 U JPS5959026 U JP S5959026U JP 15466082 U JP15466082 U JP 15466082U JP 15466082 U JP15466082 U JP 15466082U JP S5959026 U JPS5959026 U JP S5959026U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- band
- diode
- series
- switching diode
- 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.)
- Pending
Links
Landscapes
- Filters And Equalizers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は帯域消去フィルタの従来例構成を示す回路図、
第２図は第１図図示従来例の周波数特性、第３図Ａおよ
びＢは第１図図示従来例の全信号パス・モード時におけ
る等価回路図、第４図は本考案の一実施例構成を示す回
路図、第５図ＡおよびＢは第４図図示実施例の全信号パ
ス・モード時における等価回路図、第６図は第４図図示
実施例の周波数特性を示す。 ゛
図中、１は入力端子、２は出力端子、３および４は給電
端子、５ないし８および２３はスイッチング・ダイオー
ド、９および１０はコイル、１１ないし１６および２４
，２５はコンデンサ、１７ないし２２および２６．２７
は抵抗を表わす。
チ♂テ
４
才Ｓ図
／／ｉ’ Ｚす「FIG. 1 is a circuit diagram showing a conventional configuration of a band-stop filter.
Fig. 2 is the frequency characteristic of the conventional example shown in Fig. 1, Fig. 3 A and B are equivalent circuit diagrams of the conventional example shown in Fig. 1 in full signal path mode, and Fig. 4 is the configuration of an embodiment of the present invention. 5A and 5B are equivalent circuit diagrams of the embodiment shown in FIG. 4 in the all-signal path mode, and FIG. 6 shows the frequency characteristics of the embodiment shown in FIG. 4. In the figure, 1 is an input terminal, 2 is an output terminal, 3 and 4 are power supply terminals, 5 to 8 and 23 are switching diodes, 9 and 10 are coils, 11 to 16 and 24
, 25 are capacitors, 17 to 22 and 26.27
represents resistance. Chi ♂ Te 4 year old S figure//i' Zsu "
Claims (1)
くと゛も１一つの第１のスイッチング・ダイオード、上
記入出力端子間に直列に接続されかつ上記第１のスイッ
チング・ダイオードの一導通・非導通に対応して非導通
・導通となる第２のスイッチング・ダイオードと第３の
スイッチング・ダイオード、該第２のスイッチング・ダ
イオードと第３のスフイツチング・ダイオードとの接続
点と接地との間に直列に接続されたコンデンサとコイル
とからなる直列共振回路、および上記第１ないし第３の
スイッチング・ダイオードの導通・非導通状態を切換え
る切換手段をそなえ、該切換手段によって上記第１のス
イッチング・ダイオードを導通状態かつ上記第２および
第３のスイッチング、・ダイオードを非導通状態にされ
たとき、上記入出力端子間で予め定められた周波数帯域
においてトラップを形成せしめるようにする切換機能を
有する帯域消去フィルタにおいて、上記直列共振回路の
コイルと並列に示４のスイッチング・ダイオードをもう
け、該第４のスイッチング・ダイオードは上記第１のス
イッチング・タイオーρの導通・非導通に対応して導通
・非導通状態となるように構成されていることを特徴と
する切換機能を有する帯域涌去フィルタ。at least one first switching diode connected in series between the input terminal and the output terminal; one of the first switching diodes connected in series between the input and output terminals; a second switching diode and a third switching diode that become non-conductive and conductive in response to conduction; connected in series between the connection point of the second switching diode and the third switching diode and ground; a series resonant circuit consisting of a capacitor and a coil connected to the circuit, and a switching means for switching the conduction/non-conduction state of the first to third switching diodes, and the switching means switches the first switching diode to the non-conduction state. a band elimination filter having a switching function that causes a trap to be formed in a predetermined frequency band between the input and output terminals when the second and third switching diodes are in a conductive state and in a non-conductive state; , a switching diode as shown in FIG. 1. A band drop filter having a switching function, characterized in that it is configured so that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15466082U JPS5959026U (en) | 1982-10-13 | 1982-10-13 | Band-stop filter with switching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15466082U JPS5959026U (en) | 1982-10-13 | 1982-10-13 | Band-stop filter with switching function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5959026U true JPS5959026U (en) | 1984-04-17 |
Family
ID=30341810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15466082U Pending JPS5959026U (en) | 1982-10-13 | 1982-10-13 | Band-stop filter with switching function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5959026U (en) |
-
1982
- 1982-10-13 JP JP15466082U patent/JPS5959026U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5959026U (en) | Band-stop filter with switching function | |
| JPS6022010U (en) | frequency switching device | |
| JPS5959047U (en) | UHF-VHF combination tuner | |
| JPS6017071U (en) | RF modulator | |
| JPS5837220U (en) | power divider | |
| JPS615023U (en) | Variable frequency bandpass filter | |
| JPS5976104U (en) | filter device | |
| JPS6140020U (en) | Voltage controlled oscillator circuit | |
| JPS6037951U (en) | Tuner input circuit | |
| JPS6137629U (en) | high frequency tuning circuit | |
| JPS59152842U (en) | input tuning circuit | |
| JPS5991043U (en) | high frequency switch circuit | |
| JPS60111122U (en) | Band switching circuit | |
| JPS58173923U (en) | microwave filter circuit | |
| JPS5959032U (en) | tuned circuit | |
| JPS58173924U (en) | filter device | |
| JPS59147316U (en) | filter circuit | |
| JPS6361824U (en) | ||
| JPS59169121U (en) | delay line device | |
| JPS58158545U (en) | electronic attenuator circuit | |
| JPS58141637U (en) | RF switch circuit | |
| JPS5893043U (en) | High frequency signal switching device | |
| JPS5857128U (en) | Band switching circuit | |
| JPS6025227U (en) | low pass filter | |
| JPS5952619U (en) | Line-to-line composite electrical components |