JPS5950117U - Attenuator circuit - Google Patents
Attenuator circuitInfo
- Publication number
- JPS5950117U JPS5950117U JP14334482U JP14334482U JPS5950117U JP S5950117 U JPS5950117 U JP S5950117U JP 14334482 U JP14334482 U JP 14334482U JP 14334482 U JP14334482 U JP 14334482U JP S5950117 U JPS5950117 U JP S5950117U
- Authority
- JP
- Japan
- Prior art keywords
- attenuator circuit
- attenuator
- circuit
- control signal
- attenuator section
- 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
- Control Of Amplification And Gain Control (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (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図は従来例を示す図、第２図及び第３図は第１図の
従来例の問題点を説明するためのグラフ、第４図は本考
案の一実施例を示す図、第５図は第４図の一部分の等価
回路を示す図、第６図及び第７図は第４図の実施例の動
作及び特性をそれぞれ説明するためのタイムチャート及
びグラフ、第８図及び第９図は本考案の回路の応用例を
それぞれ示す図である。
１０．１０’、１０“・・・アッテネータ部、１１・・
・ドライブ回路（制御信号発生手段）、１２・・・ヒス
テリシス回路（制御信号発生手段）、Ｄｌ、Ｄ２・・・
スイッチングダイオード（手段）。FIG. 1 is a diagram showing a conventional example, FIGS. 2 and 3 are graphs for explaining the problems of the conventional example in FIG. 1, FIG. 4 is a diagram showing an embodiment of the present invention, and FIG. This figure shows an equivalent circuit of a part of FIG. 4, FIGS. 6 and 7 are time charts and graphs for explaining the operation and characteristics of the embodiment shown in FIG. 4, and FIGS. 8 and 9 2A and 2B are diagrams each showing an application example of the circuit of the present invention. 10.10', 10"...attenuator section, 11...
- Drive circuit (control signal generation means), 12... Hysteresis circuit (control signal generation means), Dl, D2...
Switching diode (means).
Claims (1)
信号レベルに応じて制御信号を発生する゛手段と、前記
制御信号に応じ前記アッテネータ部の接離を行うスイッ
チング手段とを備えることを特徴とするアッテネータ回
路。It is characterized by comprising an attenuator section that can be connected to and disconnected from an input circuit, a means for generating a control signal according to an input signal level, and a switching means that connects and disconnects the attenuator section according to the control signal. attenuator circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14334482U JPS5950117U (en) | 1982-09-24 | 1982-09-24 | Attenuator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14334482U JPS5950117U (en) | 1982-09-24 | 1982-09-24 | Attenuator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5950117U true JPS5950117U (en) | 1984-04-03 |
Family
ID=30319984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14334482U Pending JPS5950117U (en) | 1982-09-24 | 1982-09-24 | Attenuator circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5950117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0461525A (en) * | 1990-06-29 | 1992-02-27 | Sanyo Electric Co Ltd | Sensitivity switching circuit for radio receiver |
-
1982
- 1982-09-24 JP JP14334482U patent/JPS5950117U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0461525A (en) * | 1990-06-29 | 1992-02-27 | Sanyo Electric Co Ltd | Sensitivity switching circuit for radio receiver |
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