JPS6293808U - - Google Patents
Info
- Publication number
- JPS6293808U JPS6293808U JP18287285U JP18287285U JPS6293808U JP S6293808 U JPS6293808 U JP S6293808U JP 18287285 U JP18287285 U JP 18287285U JP 18287285 U JP18287285 U JP 18287285U JP S6293808 U JPS6293808 U JP S6293808U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- current sources
- voltage
- controlled current
- differential 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 3
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案の増幅回路の一実施例を示す回
路図、第２図、第３図は本考案の他の実施例を示
す回路図、第４図は従来の増幅回路の回路図であ
る。
Ｑ１〜Ｑ４，Ｑ６，Ｑ７……トランジスタ、Ｒ
１，Ｒ２……抵抗。
Fig. 1 is a circuit diagram showing one embodiment of the amplifier circuit of the present invention, Figs. 2 and 3 are circuit diagrams showing other embodiments of the invention, and Fig. 4 is a circuit diagram of a conventional amplifier circuit. be. Q 1 to Q 4 , Q 6 , Q 7 ...transistor, R
1 , R2 ...Resistance.
Claims (1)
成る第１、第２の制御電流源と、各コレクタが前
記第１、第２の制御電流源に接続される第１、第
２のトランジスタを有して成る差動増幅器と、一
端が前記第１、第２のトランジスタのコレクタに
各々接続される第１、第２の抵抗と、この第１、
第２の抵抗の他端同士を結ぶ接続点より得られる
前記差動増幅器の平均出力ＤＣ電圧と基準電圧と
を比較する電圧比較器とを具備し、前記比較器の
比較出力を前記第１、第２のＰＮＰトランジスタ
のベースに帰還することを特徴とする増幅回路。 first and second controlled current sources each having a first and second PNP transistor; and first and second transistors each having a collector connected to the first and second controlled current sources; a differential amplifier comprising: a first resistor and a second resistor each having one end connected to the collector of the first transistor and a second resistor;
a voltage comparator that compares the average output DC voltage of the differential amplifier obtained from the connection point connecting the other ends of the second resistors with a reference voltage; An amplifier circuit characterized in that feedback is fed back to the base of the second PNP transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18287285U JPS6293808U (en) | 1985-11-29 | 1985-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18287285U JPS6293808U (en) | 1985-11-29 | 1985-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6293808U true JPS6293808U (en) | 1987-06-15 |
Family
ID=31129075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18287285U Pending JPS6293808U (en) | 1985-11-29 | 1985-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6293808U (en) |
-
1985
- 1985-11-29 JP JP18287285U patent/JPS6293808U/ja active Pending