FR903902A - Frequency changer assembly - Google Patents
Frequency changer assemblyInfo
- Publication number
- FR903902A FR903902A FR903902DA FR903902A FR 903902 A FR903902 A FR 903902A FR 903902D A FR903902D A FR 903902DA FR 903902 A FR903902 A FR 903902A
- Authority
- FR
- France
- Prior art keywords
- frequency changer
- changer assembly
- assembly
- frequency
- changer
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
- H03F1/28—Modifications of amplifiers to reduce influence of noise generated by amplifying elements in discharge-tube amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/08—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Particle Accelerators (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL617647X | 1943-05-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR903902A true FR903902A (en) | 1945-10-22 |
Family
ID=19788326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR903902D Expired FR903902A (en) | 1943-05-03 | 1944-05-02 | Frequency changer assembly |
Country Status (4)
Country | Link |
---|---|
US (1) | US2582725A (en) |
BE (1) | BE455595A (en) |
FR (1) | FR903902A (en) |
GB (1) | GB617647A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1033274B (en) * | 1953-02-12 | 1958-07-03 | Philips Nv | Mixing circuit with self-oscillating triode and feedback of the intermediate frequency oscillations from the output circuit to the input circuit of the mixing tubes |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2859336A (en) * | 1951-10-22 | 1958-11-04 | Philips Corp | Frequency conversion of signal oscillation without use of an auxiliary local oscillation |
US2753449A (en) * | 1952-01-30 | 1956-07-03 | Gail E Boggs | Superheterodyne mixer with negative feedback for stabilizing conversion gain |
NL183196B (en) * | 1953-11-28 | M & T Chemicals Inc | PROCESS FOR THE PREPARATION OF A PREPARATION USED FOR VINYL CHLORIDE POLYMERS CELL-FORMED, PROCEDURE FOR THE PREPARATION OF VINYL CHLORIDE HOMO OR COPOLYMERS, AS WELL AS FORMED FOR RESPONSE, PREPARED UNDER ANY PREPARATION. CONSISTING WHOLLY OR PARTLY OF ANY PREPARED VINYL CHLORIDE HOMO OR COPOLYMER. | |
NL105942C (en) * | 1956-08-24 | |||
US3641441A (en) * | 1969-11-13 | 1972-02-08 | Motorola Inc | Frequency conversion module including emitter follower mixer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB361351A (en) * | 1930-08-15 | 1931-11-16 | Graham Amplion Ltd | Improvements in thermionic valve circuits as applied to radiotelephonic systems and apparatus |
US2022085A (en) * | 1931-12-14 | 1935-11-26 | Hazeltine Corp | Radioreceiver |
US2032675A (en) * | 1933-11-18 | 1936-03-03 | Rca Corp | Radio receiver |
FR804163A (en) * | 1935-07-10 | 1936-10-17 | Csf | Further development of tube oscillators |
US2122283A (en) * | 1937-03-09 | 1938-06-28 | Rca Corp | Frequency converter |
US2202576A (en) * | 1938-01-31 | 1940-05-28 | Bendix Radio Corp | Modulation system |
US2302867A (en) * | 1941-10-25 | 1942-11-24 | Rca Corp | Combined mixer and intermediate frequency stage |
-
0
- BE BE455595D patent/BE455595A/xx unknown
-
1944
- 1944-05-02 FR FR903902D patent/FR903902A/en not_active Expired
-
1946
- 1946-07-02 US US680964A patent/US2582725A/en not_active Expired - Lifetime
- 1946-10-08 GB GB29996/46A patent/GB617647A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1033274B (en) * | 1953-02-12 | 1958-07-03 | Philips Nv | Mixing circuit with self-oscillating triode and feedback of the intermediate frequency oscillations from the output circuit to the input circuit of the mixing tubes |
Also Published As
Publication number | Publication date |
---|---|
GB617647A (en) | 1949-02-09 |
US2582725A (en) | 1952-01-15 |
BE455595A (en) |
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