JPS6378418U - - Google Patents
Info
- Publication number
- JPS6378418U JPS6378418U JP17170486U JP17170486U JPS6378418U JP S6378418 U JPS6378418 U JP S6378418U JP 17170486 U JP17170486 U JP 17170486U JP 17170486 U JP17170486 U JP 17170486U JP S6378418 U JPS6378418 U JP S6378418U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier circuit
- circuit
- switching circuit
- switching
- amplifier
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図は本考案に係るスイツチング回路を示す
図、第２図は従来のスイツチング回路を示す図で
ある。
Ａは増幅回路、Ｑ１はスイツチングトランジス
タ、Ｃ１及びＲ１，Ｒ２は周波数特性を決定する
コンデンサ及び抵抗、ＩＣは制御信号を出力する
制御用ＩＣ。
FIG. 1 is a diagram showing a switching circuit according to the present invention, and FIG. 2 is a diagram showing a conventional switching circuit. A is an amplifier circuit, Q1 is a switching transistor, C1, R1 , and R2 are capacitors and resistors that determine frequency characteristics, and IC is a control IC that outputs a control signal.
Claims (1)
される周波数特性の切換え、ミユーテイング制御
等の為のスイツチング回路であつて、スイツチン
グ回路を構成するトランジスタのコレクタを増幅
回路に対して、エミツタを前記増幅回路の中点電
位に対して夫々接続すると共に、ベースに対して
制御信号を印加する構成としたことを特徴とする
スイツチング回路。 A switching circuit connected to an amplifier circuit driven by a single power supply for frequency characteristic switching, muting control, etc., in which the collector of the transistor constituting the switching circuit is connected to the amplifier circuit, and the emitter is connected to the amplifier circuit. A switching circuit characterized in that the switching circuit is configured to be connected to the midpoint potential of the amplifier circuit, and to apply a control signal to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17170486U JPS6378418U (en) | 1986-11-07 | 1986-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17170486U JPS6378418U (en) | 1986-11-07 | 1986-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6378418U true JPS6378418U (en) | 1988-05-24 |
Family
ID=31107576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17170486U Pending JPS6378418U (en) | 1986-11-07 | 1986-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6378418U (en) |
-
1986
- 1986-11-07 JP JP17170486U patent/JPS6378418U/ja active Pending