JPH02138916U - - Google Patents

Info

Publication number
JPH02138916U
JPH02138916U JP4825589U JP4825589U JPH02138916U JP H02138916 U JPH02138916 U JP H02138916U JP 4825589 U JP4825589 U JP 4825589U JP 4825589 U JP4825589 U JP 4825589U JP H02138916 U JPH02138916 U JP H02138916U
Authority
JP
Japan
Prior art keywords
amplifier circuit
circuit consisting
amplifier
current source
constant current
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
Application number
JP4825589U
Other languages
English (en)
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 filed Critical
Priority to JP4825589U priority Critical patent/JPH02138916U/ja
Publication of JPH02138916U publication Critical patent/JPH02138916U/ja
Pending legal-status Critical Current

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  • Amplifiers (AREA)

Description

【図面の簡単な説明】
第１図は、この考案に係る増幅回路の一実施例
を示す回路図である。第２図は従来の増幅回路を
示す回路図である。 主な符号の説明、Ｑ１，Ｑ２……第１の増幅回
路を構成するＦＥＴ、Ｑ３，Ｑ４……第２の増幅
回路を構成するバイポーラトランジスタ、Ｓ１１
，Ｓ１２……スイツチ、Ｒ１１……入力インピー
ダンスを決定する抵抗、１……定電流源。

Claims (1)

    【実用新案登録請求の範囲】
  1. ＦＥＴからなる第１の増幅回路と、バイポーラ
    トランジスタからなる第２の増幅回路とを並列接
    続するとともに、この２つの増幅回路を１つの定
    電流源へ常時接続するように構成したことを特徴
    とする増幅回路。
JP4825589U 1989-04-26 1989-04-26 Pending JPH02138916U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4825589U JPH02138916U (ja) 1989-04-26 1989-04-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4825589U JPH02138916U (ja) 1989-04-26 1989-04-26

Publications (1)

Publication Number Publication Date
JPH02138916U true JPH02138916U (ja) 1990-11-20

Family

ID=31564898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4825589U Pending JPH02138916U (ja) 1989-04-26 1989-04-26

Country Status (1)

Country Link
JP (1) JPH02138916U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04207233A (ja) * 1990-11-28 1992-07-29 Matsushita Electric Ind Co Ltd ダイバーシチ受信回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143049A (en) * 1978-04-28 1979-11-07 Mitsubishi Electric Corp Microwave low-noise amplifier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143049A (en) * 1978-04-28 1979-11-07 Mitsubishi Electric Corp Microwave low-noise amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04207233A (ja) * 1990-11-28 1992-07-29 Matsushita Electric Ind Co Ltd ダイバーシチ受信回路

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