JPS62125018U - - Google Patents
Info
- Publication number
- JPS62125018U JPS62125018U JP662786U JP662786U JPS62125018U JP S62125018 U JPS62125018 U JP S62125018U JP 662786 U JP662786 U JP 662786U JP 662786 U JP662786 U JP 662786U JP S62125018 U JPS62125018 U JP S62125018U
- Authority
- JP
- Japan
- Prior art keywords
- variable resistor
- resistor
- differential amplifier
- variable
- slider
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案の一実施例の構成を示す回路図
。第２図〜第５図は従来例の構成を示す回路図。 Ｑ０〜Ｑ４…トランジスタ、ＶＲ５およびＶＲ
６…可変抵抗。
。第２図〜第５図は従来例の構成を示す回路図。 Ｑ０〜Ｑ４…トランジスタ、ＶＲ５およびＶＲ
６…可変抵抗。
Claims (1)
- 連動する第１の可変抵抗と第２の可変抵抗との
間に抵抗を接続し、差動増幅器の出力端にそれぞ
れ前記第１の可変抵抗の摺動子を、前記第２の可
変抵抗の摺動子を各別に接続し、前記第１、第２
の可変抵抗の前記抵抗が接続されていない方の固
定端子を次段の差動増幅器入力端のそれぞれに各
別に接続してなることを特徴とする利得可変回路
。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP662786U JPH066608Y2 (ja) | 1986-01-22 | 1986-01-22 | 利得可変回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP662786U JPH066608Y2 (ja) | 1986-01-22 | 1986-01-22 | 利得可変回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62125018U true JPS62125018U (ja) | 1987-08-08 |
| JPH066608Y2 JPH066608Y2 (ja) | 1994-02-16 |
Family
ID=30789321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP662786U Expired - Lifetime JPH066608Y2 (ja) | 1986-01-22 | 1986-01-22 | 利得可変回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066608Y2 (ja) |
-
1986
- 1986-01-22 JP JP662786U patent/JPH066608Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH066608Y2 (ja) | 1994-02-16 |