JPS6259496B2 - - Google Patents
Info
- Publication number
- JPS6259496B2 JPS6259496B2 JP59056646A JP5664684A JPS6259496B2 JP S6259496 B2 JPS6259496 B2 JP S6259496B2 JP 59056646 A JP59056646 A JP 59056646A JP 5664684 A JP5664684 A JP 5664684A JP S6259496 B2 JPS6259496 B2 JP S6259496B2
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- emitter
- agc
- circuit
- pnp transistor
- 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.)
- Expired
Links
- 238000010586 diagram Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
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
- H03G3/3052—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
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5664684A JPS59188236A (ja) | 1984-03-23 | 1984-03-23 | ラジオ受信機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5664684A JPS59188236A (ja) | 1984-03-23 | 1984-03-23 | ラジオ受信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59188236A JPS59188236A (ja) | 1984-10-25 |
JPS6259496B2 true JPS6259496B2 (es) | 1987-12-11 |
Family
ID=13033106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5664684A Granted JPS59188236A (ja) | 1984-03-23 | 1984-03-23 | ラジオ受信機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59188236A (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63175999U (es) * | 1987-05-01 | 1988-11-15 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5047544A (es) * | 1974-05-13 | 1975-04-28 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50146446U (es) * | 1974-05-21 | 1975-12-04 |
-
1984
- 1984-03-23 JP JP5664684A patent/JPS59188236A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5047544A (es) * | 1974-05-13 | 1975-04-28 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63175999U (es) * | 1987-05-01 | 1988-11-15 |
Also Published As
Publication number | Publication date |
---|---|
JPS59188236A (ja) | 1984-10-25 |
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