JPH0147046B2 - - Google Patents

Info

Publication number
JPH0147046B2
JPH0147046B2 JP58049621A JP4962183A JPH0147046B2 JP H0147046 B2 JPH0147046 B2 JP H0147046B2 JP 58049621 A JP58049621 A JP 58049621A JP 4962183 A JP4962183 A JP 4962183A JP H0147046 B2 JPH0147046 B2 JP H0147046B2
Authority
JP
Japan
Prior art keywords
transistor
amplifier
high frequency
class
power supply
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
JP58049621A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59175207A (ja
Inventor
Yasuteru Yonezawa
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP58049621A priority Critical patent/JPS59175207A/ja
Publication of JPS59175207A publication Critical patent/JPS59175207A/ja
Publication of JPH0147046B2 publication Critical patent/JPH0147046B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52Circuit arrangements for protecting such amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
JP58049621A 1983-03-24 1983-03-24 高周波電力増幅器における過電圧・サ−ジ電圧保護回路 Granted JPS59175207A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58049621A JPS59175207A (ja) 1983-03-24 1983-03-24 高周波電力増幅器における過電圧・サ−ジ電圧保護回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58049621A JPS59175207A (ja) 1983-03-24 1983-03-24 高周波電力増幅器における過電圧・サ−ジ電圧保護回路

Publications (2)

Publication Number Publication Date
JPS59175207A JPS59175207A (ja) 1984-10-04
JPH0147046B2 true JPH0147046B2 (de) 1989-10-12

Family

ID=12836298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58049621A Granted JPS59175207A (ja) 1983-03-24 1983-03-24 高周波電力増幅器における過電圧・サ−ジ電圧保護回路

Country Status (1)

Country Link
JP (1) JPS59175207A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2756961B2 (ja) * 1986-11-29 1998-05-25 ティーディーケイ株式会社 複合回路部品
JPH04351111A (ja) * 1990-11-30 1992-12-04 Motorola Inc 改良型電力増幅器出力レベル・コントローラ
KR19980085583A (ko) * 1997-05-29 1998-12-05 이형도 휴대폰용 파워증폭기의 안정화회로
JP6386573B2 (ja) * 2014-09-26 2018-09-05 Necスペーステクノロジー株式会社 出力電力制御装置

Also Published As

Publication number Publication date
JPS59175207A (ja) 1984-10-04

Similar Documents

Publication Publication Date Title
JP2008514183A (ja) ピーク電圧保護回路および方法
US3681659A (en) Amplifier protective circuit
JP2002510956A (ja) Vswrの高不一致用の出力ステージ
JPS583601B2 (ja) スピ−カ保護回路
JPH0147046B2 (de)
JPS59144208A (ja) 集積回路の電力素子保護装置
US3600695A (en) Power amplifier with overload protection
KR100379590B1 (ko) 전력 증폭기에서 출력 트랜지스터를 보호하는 장치
US4644294A (en) Device for protecting a push-pull output stage against a short-circuit between the output terminal and the positive pole of the supply
US4054845A (en) Transient and thermal protection
JPS5834965B2 (ja) トランジスタゾウフクカイロ
US4149124A (en) Thermal protection of amplifiers
JPS6134751Y2 (de)
JPS6352482B2 (de)
JPS6244546Y2 (de)
JP2001109527A (ja) 保護回路
KR100264892B1 (ko) 전류제한회로
JPH05259750A (ja) 過電圧保護回路
JPS6110336Y2 (de)
JPS6231522B2 (de)
US6259297B1 (en) Protection circuit for power transistor
JP2004062491A (ja) 直流安定化電源回路
JP3354616B2 (ja) 誘導特性負荷制御ユニットを有する集積回路
JPS6119536Y2 (de)
JPS6029223Y2 (ja) 過電圧保護回路