JPS551728B2 - - Google Patents
Info
- Publication number
- JPS551728B2 JPS551728B2 JP4539674A JP4539674A JPS551728B2 JP S551728 B2 JPS551728 B2 JP S551728B2 JP 4539674 A JP4539674 A JP 4539674A JP 4539674 A JP4539674 A JP 4539674A JP S551728 B2 JPS551728 B2 JP S551728B2
- Authority
- JP
- Japan
- 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
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
- H03G3/3063—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 using at least one transistor as controlling device, the transistor being used as a variable impedance device
Landscapes
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2320599A DE2320599C2 (de) | 1973-04-24 | 1973-04-24 | Geregelter Transistorverstärker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5015462A JPS5015462A (enExample) | 1975-02-18 |
| JPS551728B2 true JPS551728B2 (enExample) | 1980-01-16 |
Family
ID=5879012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4539674A Expired JPS551728B2 (enExample) | 1973-04-24 | 1974-04-22 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS551728B2 (enExample) |
| AU (1) | AU473491B2 (enExample) |
| BE (1) | BE814121A (enExample) |
| BR (1) | BR7403261D0 (enExample) |
| DE (1) | DE2320599C2 (enExample) |
| IL (1) | IL44657A (enExample) |
| IT (1) | IT1009892B (enExample) |
| NL (1) | NL7405547A (enExample) |
| SE (1) | SE403231B (enExample) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS424327Y1 (enExample) * | 1964-01-29 | 1967-03-09 | ||
| JPS452405Y1 (enExample) * | 1967-07-07 | 1970-01-31 | ||
| JPS4528090Y1 (enExample) * | 1967-07-12 | 1970-10-29 |
-
1973
- 1973-04-24 DE DE2320599A patent/DE2320599C2/de not_active Expired
-
1974
- 1974-04-08 AU AU67631/74A patent/AU473491B2/en not_active Expired
- 1974-04-17 IL IL44657A patent/IL44657A/en unknown
- 1974-04-18 IT IT21577/74A patent/IT1009892B/it active
- 1974-04-22 JP JP4539674A patent/JPS551728B2/ja not_active Expired
- 1974-04-23 BR BR3261/74A patent/BR7403261D0/pt unknown
- 1974-04-23 SE SE7405433A patent/SE403231B/xx unknown
- 1974-04-24 NL NL7405547A patent/NL7405547A/xx unknown
- 1974-04-24 BE BE143555A patent/BE814121A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7405547A (enExample) | 1974-10-28 |
| DE2320599B1 (de) | 1974-10-17 |
| DE2320599C2 (de) | 1975-05-28 |
| IL44657A0 (en) | 1974-06-30 |
| BR7403261D0 (pt) | 1974-11-19 |
| SE403231B (sv) | 1978-07-31 |
| BE814121A (fr) | 1974-08-16 |
| JPS5015462A (enExample) | 1975-02-18 |
| AU6763174A (en) | 1975-10-09 |
| AU473491B2 (en) | 1976-06-24 |
| IL44657A (en) | 1976-11-30 |
| IT1009892B (it) | 1976-12-20 |