JPS6285017U - - Google Patents
Info
- Publication number
- JPS6285017U JPS6285017U JP17715285U JP17715285U JPS6285017U JP S6285017 U JPS6285017 U JP S6285017U JP 17715285 U JP17715285 U JP 17715285U JP 17715285 U JP17715285 U JP 17715285U JP S6285017 U JPS6285017 U JP S6285017U
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- amplifier
- variable volume
- buffer
- resistor
- 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
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案の一実施例を示す回路構成図、
第２図は従来例の回路構成図である。
２１……入力端、２２……バツフアアンプ、２
３……パワーアンプ、２４……ミユーテイング回
路、２５……出力端、２６……入力端、ＶＲ１，
ＶＲ２……可変ボリユーム、Ｒ１，Ｒ３，Ｒ７，
Ｒ８……抵抗、Ｃ１，Ｃ２，Ｃ４……コンデンサ
。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
FIG. 2 is a circuit diagram of a conventional example. 21...Input end, 22...Buffer amplifier, 2
3...power amplifier, 24...mutating circuit, 25...output end, 26...input end, VR 1 ,
VR 2 ... variable volume, R 1 , R 3 , R 7 ,
R8 ...resistance, C1 , C2 , C4 ...capacitor.
Claims (1)
テイング回路を接続したパワー増幅器において、
上記パワーアンプの入力バイアス抵抗を可変ボリ
ユームで構成すると共に、バツフアアンプのゲイ
ン設定用抵抗を可変ボリユームで構成したことを
特徴とするパワー増幅器。 In a power amplifier in which a muting circuit is connected between a buffer amplifier and a power amplifier,
A power amplifier characterized in that the input bias resistor of the power amplifier is configured with a variable volume, and the gain setting resistor of the buffer amplifier is configured with a variable volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17715285U JPS6285017U (en) | 1985-11-18 | 1985-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17715285U JPS6285017U (en) | 1985-11-18 | 1985-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6285017U true JPS6285017U (en) | 1987-05-30 |
Family
ID=31118084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17715285U Pending JPS6285017U (en) | 1985-11-18 | 1985-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6285017U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119113A (en) * | 1983-12-01 | 1985-06-26 | Sony Corp | Gain control circuit |
-
1985
- 1985-11-18 JP JP17715285U patent/JPS6285017U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119113A (en) * | 1983-12-01 | 1985-06-26 | Sony Corp | Gain control circuit |