KR900016280U - 자동 이득 제어회로 - Google Patents
자동 이득 제어회로Info
- Publication number
- KR900016280U KR900016280U KR2019890002153U KR890002153U KR900016280U KR 900016280 U KR900016280 U KR 900016280U KR 2019890002153 U KR2019890002153 U KR 2019890002153U KR 890002153 U KR890002153 U KR 890002153U KR 900016280 U KR900016280 U KR 900016280U
- Authority
- KR
- South Korea
- Prior art keywords
- control circuit
- gain control
- automatic gain
- automatic
- circuit
- Prior art date
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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
- H03F3/45085—Long tailed pairs
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890002153U KR940002238Y1 (ko) | 1989-02-28 | 1989-02-28 | 자동 이득 제어회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890002153U KR940002238Y1 (ko) | 1989-02-28 | 1989-02-28 | 자동 이득 제어회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900016280U true KR900016280U (ko) | 1990-09-03 |
KR940002238Y1 KR940002238Y1 (ko) | 1994-04-11 |
Family
ID=19284018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019890002153U KR940002238Y1 (ko) | 1989-02-28 | 1989-02-28 | 자동 이득 제어회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940002238Y1 (ko) |
-
1989
- 1989-02-28 KR KR2019890002153U patent/KR940002238Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR940002238Y1 (ko) | 1994-04-11 |
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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 | ||
FPAY | Annual fee payment |
Payment date: 20030318 Year of fee payment: 10 |
|
EXPY | Expiration of term |