JPH058603B2 - - Google Patents
Info
- Publication number
- JPH058603B2 JPH058603B2 JP59085413A JP8541384A JPH058603B2 JP H058603 B2 JPH058603 B2 JP H058603B2 JP 59085413 A JP59085413 A JP 59085413A JP 8541384 A JP8541384 A JP 8541384A JP H058603 B2 JPH058603 B2 JP H058603B2
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- collector
- transistors
- current
- circuit
- 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 - Lifetime
Links
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/02—Manually-operated control
- H03G3/04—Manually-operated control in untuned amplifiers
- H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
Landscapes
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8541384A JPS60229410A (ja) | 1984-04-26 | 1984-04-26 | 利得制御回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8541384A JPS60229410A (ja) | 1984-04-26 | 1984-04-26 | 利得制御回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60229410A JPS60229410A (ja) | 1985-11-14 |
| JPH058603B2 true JPH058603B2 (US06373033-20020416-M00035.png) | 1993-02-02 |
Family
ID=13858114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8541384A Granted JPS60229410A (ja) | 1984-04-26 | 1984-04-26 | 利得制御回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60229410A (US06373033-20020416-M00035.png) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58166817A (ja) * | 1982-03-29 | 1983-10-03 | Hitachi Ltd | 可変利得増幅装置 |
-
1984
- 1984-04-26 JP JP8541384A patent/JPS60229410A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58166817A (ja) * | 1982-03-29 | 1983-10-03 | Hitachi Ltd | 可変利得増幅装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60229410A (ja) | 1985-11-14 |
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