JPH0119285B2 - - Google Patents

Info

Publication number
JPH0119285B2
JPH0119285B2 JP55183905A JP18390580A JPH0119285B2 JP H0119285 B2 JPH0119285 B2 JP H0119285B2 JP 55183905 A JP55183905 A JP 55183905A JP 18390580 A JP18390580 A JP 18390580A JP H0119285 B2 JPH0119285 B2 JP H0119285B2
Authority
JP
Japan
Prior art keywords
transistor
base
constant current
circuit
voltage
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.)
Expired
Application number
JP55183905A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57109409A (en
Inventor
Kunio Seki
Ritsuji Takeshita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP55183905A priority Critical patent/JPS57109409A/ja
Publication of JPS57109409A publication Critical patent/JPS57109409A/ja
Publication of JPH0119285B2 publication Critical patent/JPH0119285B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Amplifiers (AREA)
JP55183905A 1980-12-26 1980-12-26 Low frequency power amplifying circuit Granted JPS57109409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55183905A JPS57109409A (en) 1980-12-26 1980-12-26 Low frequency power amplifying circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55183905A JPS57109409A (en) 1980-12-26 1980-12-26 Low frequency power amplifying circuit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP63194404A Division JPH0191506A (ja) 1988-08-05 1988-08-05 低周波電力増幅回路

Publications (2)

Publication Number Publication Date
JPS57109409A JPS57109409A (en) 1982-07-07
JPH0119285B2 true JPH0119285B2 (enrdf_load_html_response) 1989-04-11

Family

ID=16143860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55183905A Granted JPS57109409A (en) 1980-12-26 1980-12-26 Low frequency power amplifying circuit

Country Status (1)

Country Link
JP (1) JPS57109409A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940276A (ja) * 1982-08-31 1984-03-05 Matsushita Electric Ind Co Ltd 電力増幅器
JPH06103806B2 (ja) * 1990-07-19 1994-12-14 株式会社エヌエフ回路設計ブロック 電力増幅器の保護回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52125735A (en) * 1976-04-14 1977-10-21 Mitsubishi Electric Corp Transistor protective circuit
JPS535950A (en) * 1976-07-07 1978-01-19 Fujitsu Ltd Overvoltage protective circuit

Also Published As

Publication number Publication date
JPS57109409A (en) 1982-07-07

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