JPS62183419U - - Google Patents
Info
- Publication number
- JPS62183419U JPS62183419U JP7235986U JP7235986U JPS62183419U JP S62183419 U JPS62183419 U JP S62183419U JP 7235986 U JP7235986 U JP 7235986U JP 7235986 U JP7235986 U JP 7235986U JP S62183419 U JPS62183419 U JP S62183419U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- differential amplifier
- output terminal
- conductivity type
- type transistor
- 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
- 238000009499 grossing Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Picture Signal Circuits (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図は本考案のＡＬＣ回路の一実施例の回路
図、第２図はＡＬＣ回路の従来例の回路図である
。
１０１…入力端、１０２…最高電位端、１０３
…最低電位端、１０４…出力端、１０５…反転入
力端、１〜６…ＮＰＮトランジスタ、７，８…Ｐ
ＮＰトランジスタ、１０…容量、１１〜１２…抵
抗、１３…定電流回路、１４…差動増幅回路、１
５…カレントミラー回路、１６…平滑回路。
FIG. 1 is a circuit diagram of one embodiment of the ALC circuit of the present invention, and FIG. 2 is a circuit diagram of a conventional example of the ALC circuit. 101...Input end, 102...Highest potential end, 103
...Lowest potential end, 104...Output end, 105...Inverting input end, 1 to 6...NPN transistor, 7, 8...P
NP transistor, 10...capacitance, 11-12...resistance, 13...constant current circuit, 14...differential amplifier circuit, 1
5...Current mirror circuit, 16...Smoothing circuit.
Claims (1)
前記差動増幅回路の反転出力端を入力端とし非反
転出力端を出力端とする第２の導電形トランジス
タのカレントミラー回路と、容量と抵抗を含む平
滑回路と、コレクタが電源に接続され、ベースが
前記差動増幅回路の非反転出力端に接続されエミ
ツタが前記差動増幅回路の反転入力端および前記
平滑回路の入力端に接続されている第１の導電形
トランジスタを含み、前記平滑回路の平滑された
出力を出力とするＡＬＣ回路において、 ベースが前記平滑回路の入力端に接続され、エ
ミツタが前記差動増幅回路の非反転出力端に接続
され、コレクタが電源に接続されている第１の導
電形トランジスタを有することを特徴とするＡＬ
Ｃ回路。[Claims for Utility Model Registration] A differential amplifier circuit of a first conductivity type transistor,
a current mirror circuit of a second conductivity type transistor having an inverting output terminal of the differential amplifier circuit as an input terminal and a non-inverting output terminal as an output terminal, a smoothing circuit including a capacitor and a resistor, and a collector connected to a power supply, a first conductivity type transistor having a base connected to a non-inverting output terminal of the differential amplifier circuit and an emitter connected to an inverting input terminal of the differential amplifier circuit and an input terminal of the smoothing circuit; In the ALC circuit which outputs the smoothed output of the circuit, the base is connected to the input terminal of the smoothing circuit, the emitter is connected to the non-inverting output terminal of the differential amplifier circuit, and the collector is connected to the power supply. AL characterized in that it has a conductivity type transistor of 1.
C circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986072359U JPH062337Y2 (en) | 1986-05-13 | 1986-05-13 | ALC circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986072359U JPH062337Y2 (en) | 1986-05-13 | 1986-05-13 | ALC circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62183419U true JPS62183419U (en) | 1987-11-20 |
| JPH062337Y2 JPH062337Y2 (en) | 1994-01-19 |
Family
ID=30915740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986072359U Expired - Lifetime JPH062337Y2 (en) | 1986-05-13 | 1986-05-13 | ALC circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062337Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59207716A (en) * | 1983-05-10 | 1984-11-24 | Sanyo Electric Co Ltd | Automatic level controlling circuit |
-
1986
- 1986-05-13 JP JP1986072359U patent/JPH062337Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59207716A (en) * | 1983-05-10 | 1984-11-24 | Sanyo Electric Co Ltd | Automatic level controlling circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062337Y2 (en) | 1994-01-19 |
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