JPS6079823U - differential amplifier circuit - Google Patents
differential amplifier circuitInfo
- Publication number
- JPS6079823U JPS6079823U JP17321183U JP17321183U JPS6079823U JP S6079823 U JPS6079823 U JP S6079823U JP 17321183 U JP17321183 U JP 17321183U JP 17321183 U JP17321183 U JP 17321183U JP S6079823 U JPS6079823 U JP S6079823U
- Authority
- JP
- Japan
- Prior art keywords
- differential amplifier
- transistor
- base
- transistors
- amplifier circuit
- 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
Landscapes
- Amplifiers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の差動増幅回路、第２図は本考案の差動増
幅回路の一実施例を示す。
主な図番の説明、１・・・差動増幅器、２，３・・・ト
ランジスタ、８．２７．２８・・・定電流源、１３・・
・ −入力端子、１５．１６・・・負荷抵抗、１７．
１８・・・出力端子、１９・・・バイアス電源、２３・
・・第１の抵抗、２４・・・第２の抵抗、２５・・・第
１のトランジスタ、２６・・・第２のトランジスタ。FIG. 1 shows a conventional differential amplifier circuit, and FIG. 2 shows an embodiment of the differential amplifier circuit of the present invention. Explanation of main figure numbers, 1... Differential amplifier, 2, 3... Transistor, 8.27.28... Constant current source, 13...
・-input terminal, 15.16...load resistance, 17.
18... Output terminal, 19... Bias power supply, 23.
...first resistor, 24...second resistor, 25...first transistor, 26...second transistor.
Claims (1)
トランジスタの一方のベースに第１の抵抗を介してエミ
ッタが接続された第１のトランジー スタと、該
一対のトランジスタの他方のベースにエミッタが接続さ
れた第２のトランジスタと、前記第１のトランジスタの
ベース及び前記第２のトランジスタのベースに接続され
た第２の抵抗の一端に接続したバイアス電源と、前記差
動増幅器、第１のトランジスタ及び第２のトランジスタ
の各エミッタ側に接続した第１、第２及び第３の定電−
流源と、前記差動増幅器め一方のトランジスタのベース
側に接続された入力端子とより成り、前記第１及び第２
のトランジスタの電流密度を同一に設定すると共に前記
第１及び第２の抵抗にて発生する直流電圧を同一に設定
することを特徴としだ差動増幅回路。A pair of transistors forming a differential amplifier, a first transistor having an emitter connected to the base of one of the pair of transistors via a first resistor, and an emitter connected to the base of the other of the pair of transistors. a bias power supply connected to the base of the first transistor and one end of a second resistor connected to the base of the second transistor; the differential amplifier; the first transistor; and first, second, and third constant voltages connected to each emitter side of the second transistor.
a current source, and an input terminal connected to the base side of one of the transistors of the differential amplifier;
A differential amplifier circuit characterized in that the current densities of the transistors are set to be the same, and the DC voltages generated at the first and second resistors are set to be the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17321183U JPS6079823U (en) | 1983-11-08 | 1983-11-08 | differential amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17321183U JPS6079823U (en) | 1983-11-08 | 1983-11-08 | differential amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6079823U true JPS6079823U (en) | 1985-06-03 |
Family
ID=30377384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17321183U Pending JPS6079823U (en) | 1983-11-08 | 1983-11-08 | differential amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6079823U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS555883A (en) * | 1978-06-30 | 1980-01-17 | Nippon Signal Co Ltd:The | Method of driving exothermic element |
-
1983
- 1983-11-08 JP JP17321183U patent/JPS6079823U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS555883A (en) * | 1978-06-30 | 1980-01-17 | Nippon Signal Co Ltd:The | Method of driving exothermic element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6079823U (en) | differential amplifier circuit | |
| JPS59144913U (en) | current mirror circuit | |
| JPS5826212U (en) | differential amplifier | |
| JPS5988922U (en) | differential amplifier | |
| JPS60150812U (en) | Variable gain amplifier | |
| JPS6037916U (en) | Differential amplifier bias circuit | |
| JPS611930U (en) | ECL circuit | |
| JPS5957016U (en) | Amplifier output current limit circuit | |
| JPS5871219U (en) | amplifier circuit | |
| JPS59195818U (en) | temperature compensation circuit | |
| JPS59103599U (en) | Output adjustment circuit for small DC motor | |
| JPS606327U (en) | amplifier feedback circuit | |
| JPS5976121U (en) | differential amplifier circuit | |
| JPS59178720U (en) | Stabilized power supply circuit | |
| JPS60114421U (en) | Mute circuit | |
| JPS5957015U (en) | negative feedback amplifier | |
| JPS6039123U (en) | constant voltage circuit | |
| JPS59128573U (en) | Overcurrent detection circuit | |
| JPS59137616U (en) | intermediate frequency amplifier circuit | |
| JPS5969521U (en) | voltage generation circuit | |
| JPS6050520U (en) | high voltage output amplifier | |
| JPS5946017U (en) | Push-pull amplifier bias circuit | |
| JPS5810113U (en) | integrated circuit | |
| JPS5984912U (en) | voltage detection circuit | |
| JPS5969525U (en) | gain control circuit |