KR890007822U - Automatic gain control circuit - Google Patents

Automatic gain control circuit

Info

Publication number
KR890007822U
KR890007822U KR2019870017017U KR870017017U KR890007822U KR 890007822 U KR890007822 U KR 890007822U KR 2019870017017 U KR2019870017017 U KR 2019870017017U KR 870017017 U KR870017017 U KR 870017017U KR 890007822 U KR890007822 U KR 890007822U
Authority
KR
South Korea
Prior art keywords
control circuit
gain control
automatic gain
automatic
circuit
Prior art date
Application number
KR2019870017017U
Other languages
Korean (ko)
Other versions
KR900004796Y1 (en
Inventor
김명호
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019870017017U priority Critical patent/KR900004796Y1/en
Publication of KR890007822U publication Critical patent/KR890007822U/en
Application granted granted Critical
Publication of KR900004796Y1 publication Critical patent/KR900004796Y1/en

Links

Classifications

    • 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
    • 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
    • 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
KR2019870017017U 1987-09-30 1987-09-30 Automatic gain control circuit KR900004796Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870017017U KR900004796Y1 (en) 1987-09-30 1987-09-30 Automatic gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870017017U KR900004796Y1 (en) 1987-09-30 1987-09-30 Automatic gain control circuit

Publications (2)

Publication Number Publication Date
KR890007822U true KR890007822U (en) 1989-05-17
KR900004796Y1 KR900004796Y1 (en) 1990-05-31

Family

ID=19268426

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870017017U KR900004796Y1 (en) 1987-09-30 1987-09-30 Automatic gain control circuit

Country Status (1)

Country Link
KR (1) KR900004796Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102427617B1 (en) * 2021-06-15 2022-08-02 주식회사 에이스정밀테크윈 Inspection tool using method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102427617B1 (en) * 2021-06-15 2022-08-02 주식회사 에이스정밀테크윈 Inspection tool using method

Also Published As

Publication number Publication date
KR900004796Y1 (en) 1990-05-31

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
J204 Request for invalidation trial [patent]
EXTG Extinguishment
FPAY Annual fee payment

Payment date: 19930329

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 19940326

Year of fee payment: 5