KR900008521B1 - 이득제어회로 - Google Patents

이득제어회로 Download PDF

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Publication number
KR900008521B1
KR900008521B1 KR1019870003439A KR870003439A KR900008521B1 KR 900008521 B1 KR900008521 B1 KR 900008521B1 KR 1019870003439 A KR1019870003439 A KR 1019870003439A KR 870003439 A KR870003439 A KR 870003439A KR 900008521 B1 KR900008521 B1 KR 900008521B1
Authority
KR
South Korea
Prior art keywords
current
transistor
collector
signal
transistors
Prior art date
Application number
KR1019870003439A
Other languages
English (en)
Korean (ko)
Other versions
KR870010687A (ko
Inventor
히로야스 기시
히로미 아라이
Original Assignee
산요덴기 가부시기가이샤
이우에 사도시
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 산요덴기 가부시기가이샤, 이우에 사도시 filed Critical 산요덴기 가부시기가이샤
Publication of KR870010687A publication Critical patent/KR870010687A/ko
Application granted granted Critical
Publication of KR900008521B1 publication Critical patent/KR900008521B1/ko

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices

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  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
KR1019870003439A 1986-04-18 1987-04-10 이득제어회로 KR900008521B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1986058946U JPS62171214U (US07166745-20070123-C00016.png) 1986-04-18 1986-04-18
JP58946 1986-04-18

Publications (2)

Publication Number Publication Date
KR870010687A KR870010687A (ko) 1987-11-30
KR900008521B1 true KR900008521B1 (ko) 1990-11-24

Family

ID=30889981

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870003439A KR900008521B1 (ko) 1986-04-18 1987-04-10 이득제어회로

Country Status (2)

Country Link
JP (1) JPS62171214U (US07166745-20070123-C00016.png)
KR (1) KR900008521B1 (US07166745-20070123-C00016.png)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750115A (en) * 1980-09-10 1982-03-24 Nec Corp Gain control circuit
JPS5824208A (ja) * 1981-08-03 1983-02-14 Victor Co Of Japan Ltd アツテネ−タ回路

Also Published As

Publication number Publication date
KR870010687A (ko) 1987-11-30
JPS62171214U (US07166745-20070123-C00016.png) 1987-10-30

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E902 Notification of reason for refusal
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