JPS59137616U - intermediate frequency amplifier circuit - Google Patents

intermediate frequency amplifier circuit

Info

Publication number
JPS59137616U
JPS59137616U JP1983031370U JP3137083U JPS59137616U JP S59137616 U JPS59137616 U JP S59137616U JP 1983031370 U JP1983031370 U JP 1983031370U JP 3137083 U JP3137083 U JP 3137083U JP S59137616 U JPS59137616 U JP S59137616U
Authority
JP
Japan
Prior art keywords
current
circuit
transistor
output terminal
intermediate frequency
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
Application number
JP1983031370U
Other languages
Japanese (ja)
Other versions
JPH0113453Y2 (en
Inventor
博紀 長谷川
Original Assignee
三洋電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP1983031370U priority Critical patent/JPS59137616U/en
Priority to KR2019840001436U priority patent/KR890007395Y1/en
Publication of JPS59137616U publication Critical patent/JPS59137616U/en
Application granted granted Critical
Publication of JPH0113453Y2 publication Critical patent/JPH0113453Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図及び第２図は、従来のＩＦ増幅回路を示す回路図
、及び第３図は本考案の一実施例を示す回路図である。 主な図番め説明、１８・・・・・・第１トランジスタ、
１９・・・・・・第２トランジスタ、２２，２５．２８
・・・・・・電流反転回路、３１・・・・・・負荷抵抗
、３３・・・・・・直流負帰還路。1 and 2 are circuit diagrams showing a conventional IF amplifier circuit, and FIG. 3 is a circuit diagram showing an embodiment of the present invention. Main figure number explanation, 18...first transistor,
19... Second transistor, 22, 25.28
...Current inversion circuit, 31...Load resistance, 33...DC negative feedback path.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一対のトランジスタから成り、一方のトランジスタのベ
ースに印加される中間周波信号を増幅する為の差動増幅
部と１．該差動増幅部の一方のトランジスタのコレクタ
電流を反転して取り出す第１電流反転回路と、前記差動
増幅部の他方のトランジスタのコレクタ電流を反転して
取り出す第２電流反転回路と、該第２電流反転回路の出
力電流を反転する為の第３電流反転回路と、前記第１電
流反転回路の出力端子と前記第３電流反転回路の出力端
子との共通接続端に一端が接続される負荷抵抗と、該負
荷抵抗の他端に接続される基準電源と、前記負荷抵抗の
一端と前記他方のトランジスタのベースとの間に接続さ
れる直流負帰還路と、前記負荷抵抗の一端に接続される
出力端子とから成り、該出力端子に検波回路を直結し得
る様にしたことを特徴とする中間周波増幅回路。1. A differential amplification section consisting of a pair of transistors and for amplifying an intermediate frequency signal applied to the base of one transistor; a first current inversion circuit that inverts and takes out the collector current of one transistor of the differential amplification section; a second current inversion circuit that inverts and takes out the collector current of the other transistor of the differential amplification section; a third current inverting circuit for inverting the output current of the two current inverting circuits; and a load having one end connected to a common connection terminal between the output terminal of the first current inverting circuit and the output terminal of the third current inverting circuit. a reference power source connected to the other end of the load resistor; a DC negative feedback path connected between one end of the load resistor and the base of the other transistor; and a DC negative feedback path connected to the one end of the load resistor. 1. An intermediate frequency amplifier circuit comprising: an output terminal; and a detection circuit can be directly connected to the output terminal.
JP1983031370U 1983-03-03 1983-03-03 intermediate frequency amplifier circuit Granted JPS59137616U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1983031370U JPS59137616U (en) 1983-03-03 1983-03-03 intermediate frequency amplifier circuit
KR2019840001436U KR890007395Y1 (en) 1983-03-03 1984-02-22 Mid-band frequency amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983031370U JPS59137616U (en) 1983-03-03 1983-03-03 intermediate frequency amplifier circuit

Publications (2)

Publication Number Publication Date
JPS59137616U true JPS59137616U (en) 1984-09-13
JPH0113453Y2 JPH0113453Y2 (en) 1989-04-20

Family

ID=30162219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983031370U Granted JPS59137616U (en) 1983-03-03 1983-03-03 intermediate frequency amplifier circuit

Country Status (2)

Country Link
JP (1) JPS59137616U (en)
KR (1) KR890007395Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014502100A (en) * 2010-11-15 2014-01-23 クゥアルコム・インコーポレイテッド Current mode power amplifier with harmonic distortion suppression

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5222853A (en) * 1975-08-14 1977-02-21 Sony Corp Amplifier
JPS5346253A (en) * 1976-10-08 1978-04-25 Toshiba Corp Signal amplifier circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5222853A (en) * 1975-08-14 1977-02-21 Sony Corp Amplifier
JPS5346253A (en) * 1976-10-08 1978-04-25 Toshiba Corp Signal amplifier circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014502100A (en) * 2010-11-15 2014-01-23 クゥアルコム・インコーポレイテッド Current mode power amplifier with harmonic distortion suppression

Also Published As

Publication number Publication date
KR840006477U (en) 1984-12-03
KR890007395Y1 (en) 1989-10-25
JPH0113453Y2 (en) 1989-04-20

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