JPS5223243A - Protective circuit for power amplifier - Google Patents

Protective circuit for power amplifier

Info

Publication number
JPS5223243A
JPS5223243A JP50099587A JP9958775A JPS5223243A JP S5223243 A JPS5223243 A JP S5223243A JP 50099587 A JP50099587 A JP 50099587A JP 9958775 A JP9958775 A JP 9958775A JP S5223243 A JPS5223243 A JP S5223243A
Authority
JP
Japan
Prior art keywords
power amplifier
protective circuit
amplifier
protect
size
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
JP50099587A
Other languages
Japanese (ja)
Other versions
JPS5721124B2 (en
Inventor
Makoto Nakamura
Takaya Saito
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP50099587A priority Critical patent/JPS5223243A/en
Publication of JPS5223243A publication Critical patent/JPS5223243A/en
Publication of JPS5721124B2 publication Critical patent/JPS5721124B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To protect the amplifier when a load deteriorates regardless of the size of the output power.
COPYRIGHT: (C)1977,JPO&Japio
JP50099587A 1975-08-16 1975-08-16 Protective circuit for power amplifier Granted JPS5223243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50099587A JPS5223243A (en) 1975-08-16 1975-08-16 Protective circuit for power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50099587A JPS5223243A (en) 1975-08-16 1975-08-16 Protective circuit for power amplifier

Publications (2)

Publication Number Publication Date
JPS5223243A true JPS5223243A (en) 1977-02-22
JPS5721124B2 JPS5721124B2 (en) 1982-05-06

Family

ID=14251214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50099587A Granted JPS5223243A (en) 1975-08-16 1975-08-16 Protective circuit for power amplifier

Country Status (1)

Country Link
JP (1) JPS5223243A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154807A (en) * 1983-02-24 1984-09-03 Nippon Koshuha Kk Overload preventing circuit for high frequency amplifier or the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154807A (en) * 1983-02-24 1984-09-03 Nippon Koshuha Kk Overload preventing circuit for high frequency amplifier or the like
JPH0158885B2 (en) * 1983-02-24 1989-12-14 Nihon Koshuha Co Ltd

Also Published As

Publication number Publication date
JPS5721124B2 (en) 1982-05-06

Similar Documents

Publication Publication Date Title
JPS5230146A (en) Amplifier circuit
JPS51115619A (en) Dc-dc convertor circuit
JPS5245038A (en) Invertor overcurrent protector
JPS5223243A (en) Protective circuit for power amplifier
JPS51128543A (en) Cable for photo communication
JPS5211722A (en) Power failure protection circuit
JPS51124332A (en) Memory protection device
JPS5219217A (en) Overcurrent limiting device
JPS535950A (en) Overvoltage protective circuit
JPS5321733A (en) Protective device for inverter
JPS53104829A (en) Protective equipment for controlled power source circuit
JPS535743A (en) Observati on device of bus protecting relay
JPS51127418A (en) Brake circuit for motor
JPS5219216A (en) Overcurrent limiting circuit
JPS52123101A (en) Power source circuit for mosic
JPS5220742A (en) Amplifier output load protective circuit
JPS526062A (en) Protection device for high frequency electric power amplifier
JPS526448A (en) Transistor protective circuit
JPS51119928A (en) Inverter protecting device
JPS5221641A (en) Constant-voltage circuit
JPS52143186A (en) Taping device
JPS5231350A (en) Electric protective circuit
JPS51121237A (en) A transistor protection circuit against overload
JPS51112107A (en) Series and multi-sending type fault localization of fault point on power ling
JPS5276652A (en) Protective relay device