JPS56149806A - Power amplifier of radio communication equipment - Google Patents

Power amplifier of radio communication equipment

Info

Publication number
JPS56149806A
JPS56149806A JP5458180A JP5458180A JPS56149806A JP S56149806 A JPS56149806 A JP S56149806A JP 5458180 A JP5458180 A JP 5458180A JP 5458180 A JP5458180 A JP 5458180A JP S56149806 A JPS56149806 A JP S56149806A
Authority
JP
Japan
Prior art keywords
amplifier
attenuator
damping amount
switched
terminal
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
JP5458180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6155287B2 (enrdf_load_stackoverflow
Inventor
Hiroaki Shimayama
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP5458180A priority Critical patent/JPS56149806A/ja
Publication of JPS56149806A publication Critical patent/JPS56149806A/ja
Publication of JPS6155287B2 publication Critical patent/JPS6155287B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
JP5458180A 1980-04-23 1980-04-23 Power amplifier of radio communication equipment Granted JPS56149806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5458180A JPS56149806A (en) 1980-04-23 1980-04-23 Power amplifier of radio communication equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5458180A JPS56149806A (en) 1980-04-23 1980-04-23 Power amplifier of radio communication equipment

Publications (2)

Publication Number Publication Date
JPS56149806A true JPS56149806A (en) 1981-11-19
JPS6155287B2 JPS6155287B2 (enrdf_load_stackoverflow) 1986-11-27

Family

ID=12974659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5458180A Granted JPS56149806A (en) 1980-04-23 1980-04-23 Power amplifier of radio communication equipment

Country Status (1)

Country Link
JP (1) JPS56149806A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6456077U (enrdf_load_stackoverflow) * 1987-09-30 1989-04-06

Also Published As

Publication number Publication date
JPS6155287B2 (enrdf_load_stackoverflow) 1986-11-27

Similar Documents

Publication Publication Date Title
US4061979A (en) Phase locked loop with pre-set and squelch
JPS57124946A (en) Pulse detection circuit
JPS57109089A (en) Initial value resetting circuit for operational amplifier
JPS56149806A (en) Power amplifier of radio communication equipment
GB1210393A (en) Automatic frequency control of oscillator
US4158175A (en) Circuit for automatically switching operating modes of feedback-controlled systems
GB1351328A (en) Elevel-control arrangement
JPS57132437A (en) Transmitting power control system
JPS5628533A (en) Battery voltage detection system for selective calling receiving unit
JPS57141148A (en) Radio telephone set
JPS5733831A (en) Direct current contactless switch
JPS55131820A (en) Constant-voltage power source unit
JPS5715296A (en) Testing system for storage device
JPS5732110A (en) Time-constant switching device
JPS56141641A (en) Channel equipment of pulse code modulation terminal
JPS55100751A (en) Preventive unit for long-period press of press-to-talk radio communication
JPS5734778A (en) Inverter device
GB1003190A (en) Improvements in or relating to electronic amplifiers
JPS56154832A (en) Transmitter for large electric power
JPS56129441A (en) Detection system of line control signal for wireless telephone set
JPS56116134A (en) Battery backup device of main memory device
CH647637GA3 (enrdf_load_stackoverflow)
JPS57159301A (en) Control switching device
JPS57168531A (en) Echo erasing device
JPS5765050A (en) Measuring system for signal-to-noisde ratio