JPS633621U - - Google Patents

Info

Publication number
JPS633621U
JPS633621U JP9503086U JP9503086U JPS633621U JP S633621 U JPS633621 U JP S633621U JP 9503086 U JP9503086 U JP 9503086U JP 9503086 U JP9503086 U JP 9503086U JP S633621 U JPS633621 U JP S633621U
Authority
JP
Japan
Prior art keywords
amplifier
circuit
switching
switches
supplies
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
JP9503086U
Other languages
English (en)
Other versions
JPH0546340Y2 (ja
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 JP1986095030U priority Critical patent/JPH0546340Y2/ja
Publication of JPS633621U publication Critical patent/JPS633621U/ja
Application granted granted Critical
Publication of JPH0546340Y2 publication Critical patent/JPH0546340Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の増幅回路の実施例を示す回
路図、第2図は従来の増幅回路を示す回路図であ
る。 30A,30B……差動増幅器、48a,48
b……定電流源、50……動作切換回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 異なる増幅利得が設定された複数の増幅器と、
    各増幅器に動作電流を流す電流源側の電位を切り
    換えて増幅器の動作を切り換える動作切換回路と
    から構成したことを特徴とする増幅回路。
JP1986095030U 1986-06-21 1986-06-21 Expired - Lifetime JPH0546340Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986095030U JPH0546340Y2 (ja) 1986-06-21 1986-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986095030U JPH0546340Y2 (ja) 1986-06-21 1986-06-21

Publications (2)

Publication Number Publication Date
JPS633621U true JPS633621U (ja) 1988-01-11
JPH0546340Y2 JPH0546340Y2 (ja) 1993-12-03

Family

ID=30959089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986095030U Expired - Lifetime JPH0546340Y2 (ja) 1986-06-21 1986-06-21

Country Status (1)

Country Link
JP (1) JPH0546340Y2 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583612U (ja) * 1981-06-29 1983-01-11 ソニー株式会社 増幅回路
JPS592415A (ja) * 1982-06-28 1984-01-09 Fujitsu Ltd 増幅器
JPS59148411A (ja) * 1983-02-14 1984-08-25 Rohm Co Ltd 増幅回路
JPS6062711A (ja) * 1983-09-16 1985-04-10 Mitsubishi Electric Corp 利得切換型増幅器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583612B2 (ja) * 1974-10-11 1983-01-22 日本放送協会 ウチアワセレンラクデンワホウシキ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583612U (ja) * 1981-06-29 1983-01-11 ソニー株式会社 増幅回路
JPS592415A (ja) * 1982-06-28 1984-01-09 Fujitsu Ltd 増幅器
JPS59148411A (ja) * 1983-02-14 1984-08-25 Rohm Co Ltd 増幅回路
JPS6062711A (ja) * 1983-09-16 1985-04-10 Mitsubishi Electric Corp 利得切換型増幅器

Also Published As

Publication number Publication date
JPH0546340Y2 (ja) 1993-12-03

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