BE614825A - Circuits à pertes variables - Google Patents
Circuits à pertes variablesInfo
- Publication number
- BE614825A BE614825A BE614825A BE614825A BE614825A BE 614825 A BE614825 A BE 614825A BE 614825 A BE614825 A BE 614825A BE 614825 A BE614825 A BE 614825A BE 614825 A BE614825 A BE 614825A
- Authority
- BE
- Belgium
- Prior art keywords
- variable loss
- loss circuits
- circuits
- variable
- loss
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94493A US3150326A (en) | 1961-03-09 | 1961-03-09 | Variolosser circuits having identical frequency selectivity at all loss settings |
Publications (1)
Publication Number | Publication Date |
---|---|
BE614825A true BE614825A (fr) | 1962-07-02 |
Family
ID=22245488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE614825A BE614825A (fr) | 1961-03-09 | 1962-03-08 | Circuits à pertes variables |
Country Status (4)
Country | Link |
---|---|
US (1) | US3150326A (fr) |
BE (1) | BE614825A (fr) |
GB (1) | GB976106A (fr) |
SE (1) | SE311405B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3534278A (en) * | 1969-03-03 | 1970-10-13 | Bell Telephone Labor Inc | Variolossers having substantially flat frequency response characteristics at all loss settings |
US3631333A (en) * | 1970-05-06 | 1971-12-28 | Honeywell Inc | Electrically controlled attenuator |
DE10234479A1 (de) * | 2002-07-29 | 2004-02-12 | Infineon Technologies Ag | Übertragungssystem |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2131101A (en) * | 1937-08-20 | 1938-09-27 | Ferris Malcolm | Resistance attenuator |
US2246293A (en) * | 1938-05-12 | 1941-06-17 | Emi Ltd | Resistance element |
US2511645A (en) * | 1947-11-08 | 1950-06-13 | Bell Telephone Labor Inc | Broad band attenuator |
US2864903A (en) * | 1953-05-05 | 1958-12-16 | Philips Corp | Transistor amplifier with gain control |
US2997656A (en) * | 1958-07-15 | 1961-08-22 | Amalgamated Wireless Australas | Gain control for transistor detector or amplifier |
-
1961
- 1961-03-09 US US94493A patent/US3150326A/en not_active Expired - Lifetime
-
1962
- 1962-03-06 GB GB8530/62A patent/GB976106A/en not_active Expired
- 1962-03-08 BE BE614825A patent/BE614825A/fr unknown
- 1962-03-09 SE SE2654/62A patent/SE311405B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB976106A (en) | 1964-11-25 |
US3150326A (en) | 1964-09-22 |
SE311405B (fr) | 1969-06-09 |
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