JPS5690613A - Microwave solid-state amplifier - Google Patents

Microwave solid-state amplifier

Info

Publication number
JPS5690613A
JPS5690613A JP16767679A JP16767679A JPS5690613A JP S5690613 A JPS5690613 A JP S5690613A JP 16767679 A JP16767679 A JP 16767679A JP 16767679 A JP16767679 A JP 16767679A JP S5690613 A JPS5690613 A JP S5690613A
Authority
JP
Japan
Prior art keywords
gate
fet13
fet11
input level
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.)
Pending
Application number
JP16767679A
Other languages
Japanese (ja)
Inventor
Seiichiro Mitamura
Nobuo Furuya
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP16767679A priority Critical patent/JPS5690613A/en
Publication of JPS5690613A publication Critical patent/JPS5690613A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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

Landscapes

  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE:To control electric power with simple constitution by converting the variation in gate bias current of final amplification stage FET into variation in voltage and then by connecting it to the gate or drain of prior stage FET. CONSTITUTION:As the input level of FET13 fluctuates, the gate current of gate 8 varies. For example, when an increase in the input level of FET13 increases the gate current to raise the potential of potential A, the operational amplifier of control circuit 19 lowers the gate voltage of FET11 to deepen the gate voltage of FET11, and consequently the output level of FET11 drops to decrease the input level of FET13, so that the output level of FET13 will decrease.
JP16767679A 1979-12-25 1979-12-25 Microwave solid-state amplifier Pending JPS5690613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16767679A JPS5690613A (en) 1979-12-25 1979-12-25 Microwave solid-state amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16767679A JPS5690613A (en) 1979-12-25 1979-12-25 Microwave solid-state amplifier

Publications (1)

Publication Number Publication Date
JPS5690613A true JPS5690613A (en) 1981-07-22

Family

ID=15854147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16767679A Pending JPS5690613A (en) 1979-12-25 1979-12-25 Microwave solid-state amplifier

Country Status (1)

Country Link
JP (1) JPS5690613A (en)

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