JPS5950116U - intermediate frequency amplifier circuit - Google Patents
intermediate frequency amplifier circuitInfo
- Publication number
- JPS5950116U JPS5950116U JP14523482U JP14523482U JPS5950116U JP S5950116 U JPS5950116 U JP S5950116U JP 14523482 U JP14523482 U JP 14523482U JP 14523482 U JP14523482 U JP 14523482U JP S5950116 U JPS5950116 U JP S5950116U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate frequency
- constant current
- circuit
- differential amplifier
- source 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図は本考案に係るＦＭ受信機のＩＦ回路とその周辺
回路を含む回路図である。
１：中間周波増幅回路、２．ＦＭ検波回路、３：位相回
路、４．ＦＭ検波コイル。FIG. 1 is a circuit diagram including an IF circuit and its peripheral circuits of an FM receiver according to the present invention. 1: intermediate frequency amplification circuit, 2. FM detection circuit, 3: phase circuit, 4. FM detection coil.
Claims (1)
、該差動増幅器の出力を第１と第２のレベルシフト回路
を介して次段の差動増幅器に伝達するようになされ多段
の差動増幅器から形成された中間周波増幅回路であって
、該中間周波増幅回路の各段の第１と第２のレベルシフ
ト回路の夫々がエミッタホロワ接続されたトランジスタ
ど定電流源回路から形成され、且つ該中間周波増幅回路
の出力段のレベルシフト回路の夫々がエミッタホロワ接
続されたトランジスタのエミッタと定電流源回路との間
にレベル調整用抵抗が接続され一ζ、該レベル調整用抵
抗と該定電流源回路との夫々の接続点から出力を得るこ
とを特徴とする中間周波増幅回路。A multi-stage differential amplifier includes a differential amplifier including a transistor differential pair and a constant current source circuit, and the output of the differential amplifier is transmitted to the next stage differential amplifier via first and second level shift circuits. an intermediate frequency amplification circuit formed from a dynamic amplifier, wherein each of the first and second level shift circuits of each stage of the intermediate frequency amplification circuit is formed from a constant current source circuit such as a transistor connected as an emitter follower; A level adjustment resistor is connected between the emitter of the transistor in which each of the level shift circuits in the output stage of the intermediate frequency amplifier circuit is connected as an emitter follower and the constant current source circuit, and the level adjustment resistor and the constant current An intermediate frequency amplification circuit characterized in that an output is obtained from each connection point with a source circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14523482U JPS5950116U (en) | 1982-09-25 | 1982-09-25 | intermediate frequency amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14523482U JPS5950116U (en) | 1982-09-25 | 1982-09-25 | intermediate frequency amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5950116U true JPS5950116U (en) | 1984-04-03 |
Family
ID=30323634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14523482U Pending JPS5950116U (en) | 1982-09-25 | 1982-09-25 | intermediate frequency amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5950116U (en) |
-
1982
- 1982-09-25 JP JP14523482U patent/JPS5950116U/en active Pending
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