JPS58127706U - Amplifier - Google Patents

Amplifier

Info

Publication number
JPS58127706U
JPS58127706U JP2453982U JP2453982U JPS58127706U JP S58127706 U JPS58127706 U JP S58127706U JP 2453982 U JP2453982 U JP 2453982U JP 2453982 U JP2453982 U JP 2453982U JP S58127706 U JPS58127706 U JP S58127706U
Authority
JP
Japan
Prior art keywords
amplifier
power supply
battery
changeover switch
abstract
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
JP2453982U
Other languages
Japanese (ja)
Other versions
JPH0132416Y2 (en
Inventor
忍 高橋
Original Assignee
山水電気株式会社
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 山水電気株式会社 filed Critical 山水電気株式会社
Priority to JP2453982U priority Critical patent/JPS58127706U/en
Publication of JPS58127706U publication Critical patent/JPS58127706U/en
Application granted granted Critical
Publication of JPH0132416Y2 publication Critical patent/JPH0132416Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (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) [Abstract] 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]

マ　　　第１図は本考案の一実施例を示すブロック図、
−第２図は本考案の具体例を示すブロック図である。 ：　　　１・・・電池、２・・・直流電源、３・・・電
源切換スインＩ　　チ、４・・・第１の増幅器、５・・
・第２の増幅器、８・・・）　　利得減衰回路。Fig. 1 is a block diagram showing an embodiment of the present invention.
- FIG. 2 is a block diagram showing a specific example of the present invention. : 1... Battery, 2... DC power supply, 3... Power supply switching switch, 4... First amplifier, 5...
・Second amplifier, 8...) Gain attenuation circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電池と、商用電源を整流して得た直流電源と、電池およ
び直流電源の一方を切換操作により選りする電源切換ス
イッチと、この電源切換スイッラで選択した直流により
駆動される第１および第２の増幅器と、第１の増幅器の
出力と第２の増幅器の入力との間に介挿され上記電源切
換スイッチσ電池の選択時にのみ動作する利得減衰回路
とをｙ備することを特徴とする増幅装置。A battery, a DC power source obtained by rectifying a commercial power supply, a power supply changeover switch that selects either the battery or the DC power supply by a switching operation, and a first and second An amplifier device comprising: an amplifier; and a gain attenuation circuit that is inserted between the output of the first amplifier and the input of the second amplifier and operates only when the power supply changeover switch σ battery is selected. .
JP2453982U 1982-02-23 1982-02-23 Amplifier Granted JPS58127706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2453982U JPS58127706U (en) 1982-02-23 1982-02-23 Amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2453982U JPS58127706U (en) 1982-02-23 1982-02-23 Amplifier

Publications (2)

Publication Number Publication Date
JPS58127706U true JPS58127706U (en) 1983-08-30
JPH0132416Y2 JPH0132416Y2 (en) 1989-10-04

Family

ID=30036536

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2453982U Granted JPS58127706U (en) 1982-02-23 1982-02-23 Amplifier

Country Status (1)

Country Link
JP (1) JPS58127706U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6419862A (en) * 1987-04-20 1989-01-23 Ricoh Kk Facsimile equipment
WO2013088635A1 (en) * 2011-12-15 2013-06-20 パナソニック株式会社 High output power amplifier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6419862A (en) * 1987-04-20 1989-01-23 Ricoh Kk Facsimile equipment
WO2013088635A1 (en) * 2011-12-15 2013-06-20 パナソニック株式会社 High output power amplifier
US9214905B2 (en) 2011-12-15 2015-12-15 Panasonic Intellectual Property Management Co., Ltd. High output power amplifier

Also Published As

Publication number Publication date
JPH0132416Y2 (en) 1989-10-04

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