FR903902A - Montage changeur de fréquence - Google Patents
Montage changeur de fréquenceInfo
- 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 (fr) | 1945-10-22 |
Family
ID=19788326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR903902D Expired FR903902A (fr) | 1943-05-03 | 1944-05-02 | Montage changeur de fréquence |
Country Status (4)
Country | Link |
---|---|
US (1) | US2582725A (xx) |
BE (1) | BE455595A (xx) |
FR (1) | FR903902A (xx) |
GB (1) | GB617647A (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1033274B (de) * | 1953-02-12 | 1958-07-03 | Philips Nv | Mischschaltung mit selbstschwingender Triode und Rueckkopplung der Zwischenfrequenz-Schwingungen vom Ausgangskreis auf den Eingangskreis der Mischroehre |
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 (nl) * | 1953-11-28 | M & T Chemicals Inc | Werkwijze voor de bereiding van een preparaat ten gebruike voor celvormige vinylchloridepolymeren, werkwijze voor de bereiding van vinylchloridehomo- of copolymeren, alsmede gevormd voortbrengsel, verkregen onder toepassing van een dergelijk preparaat, resp. geheel of ten dele bestaande uit een aldus bereid vinylchloridehomo- of copolymeer. | |
NL220065A (xx) * | 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 (fr) * | 1935-07-10 | 1936-10-17 | Csf | Perfectionnement aux oscillateurs à lampes |
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/fr 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 (de) * | 1953-02-12 | 1958-07-03 | Philips Nv | Mischschaltung mit selbstschwingender Triode und Rueckkopplung der Zwischenfrequenz-Schwingungen vom Ausgangskreis auf den Eingangskreis der Mischroehre |
Also Published As
Publication number | Publication date |
---|---|
BE455595A (xx) | |
US2582725A (en) | 1952-01-15 |
GB617647A (en) | 1949-02-09 |
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