SE395810B - Reglerbart, aperiodiskt hogfrekvenssteg - Google Patents
Reglerbart, aperiodiskt hogfrekvensstegInfo
- Publication number
- SE395810B SE395810B SE7400934A SE7400934A SE395810B SE 395810 B SE395810 B SE 395810B SE 7400934 A SE7400934 A SE 7400934A SE 7400934 A SE7400934 A SE 7400934A SE 395810 B SE395810 B SE 395810B
- Authority
- SE
- Sweden
- Prior art keywords
- adjustable
- high frequency
- frequency step
- aperiodic high
- aperiodic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
-
- 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
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
- H03G1/0058—PIN-diodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2304058A DE2304058C3 (de) | 1973-01-27 | 1973-01-27 | Regelbare aperiodische Hochfrequenz-Eingangsstufe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE395810B true SE395810B (sv) | 1977-08-22 |
Family
ID=5870151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7400934A SE395810B (sv) | 1973-01-27 | 1974-01-24 | Reglerbart, aperiodiskt hogfrekvenssteg |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2304058C3 (cs) |
| FR (1) | FR2215757B1 (cs) |
| SE (1) | SE395810B (cs) |
| ZA (1) | ZA74550B (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06326628A (ja) * | 1993-05-13 | 1994-11-25 | Toshiba Corp | アンテナ入力切換回路 |
| DE9419377U1 (de) * | 1994-12-06 | 1995-02-09 | Spaun-electronic GmbH, 78224 Singen | Elektronisch veränderbares Dämpfungsglied für HF-Signale oberhalb etwa 1 MHz |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1219770A (en) * | 1967-05-26 | 1971-01-20 | Plessey Co Ltd | Improvements in or relating to variable attenuators |
-
1973
- 1973-01-27 DE DE2304058A patent/DE2304058C3/de not_active Expired
- 1973-10-24 FR FR7337831A patent/FR2215757B1/fr not_active Expired
-
1974
- 1974-01-24 SE SE7400934A patent/SE395810B/xx unknown
- 1974-01-25 ZA ZA740550A patent/ZA74550B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA74550B (en) | 1974-11-27 |
| DE2304058A1 (de) | 1974-08-01 |
| FR2215757A1 (cs) | 1974-08-23 |
| DE2304058B2 (de) | 1979-05-17 |
| FR2215757B1 (cs) | 1979-04-13 |
| DE2304058C3 (de) | 1980-01-10 |
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