ES306754A1 - Disposicion para el grado de mezcla de transistores autooscilantes,especialmente para receptores de television. - Google Patents
Disposicion para el grado de mezcla de transistores autooscilantes,especialmente para receptores de television.Info
- Publication number
- ES306754A1 ES306754A1 ES0306754A ES306754A ES306754A1 ES 306754 A1 ES306754 A1 ES 306754A1 ES 0306754 A ES0306754 A ES 0306754A ES 306754 A ES306754 A ES 306754A ES 306754 A1 ES306754 A1 ES 306754A1
- Authority
- ES
- Spain
- Prior art keywords
- circuit
- intermediate frequency
- oscillator
- switching
- frequency
- 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
- 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
-
- 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
- H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET25216A DE1222996B (de) | 1963-12-07 | 1963-12-07 | Selbstschwingende Transistormischstufe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES306754A1 true ES306754A1 (es) | 1965-04-01 |
Family
ID=7551926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0306754A Expired ES306754A1 (es) | 1963-12-07 | 1964-12-04 | Disposicion para el grado de mezcla de transistores autooscilantes,especialmente para receptores de television. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3270286A (es) |
| AT (1) | AT250457B (es) |
| DE (1) | DE1222996B (es) |
| ES (1) | ES306754A1 (es) |
| GB (1) | GB1022807A (es) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1158590B (de) * | 1960-08-25 | 1963-12-05 | Telefunken Patent | Schaltung zur Entkopplung der Schwingungskreise einer selbstschwingenden Transistor-Mischstufe |
-
1963
- 1963-12-07 DE DET25216A patent/DE1222996B/de active Pending
-
1964
- 1964-11-20 GB GB47302/64A patent/GB1022807A/en not_active Expired
- 1964-11-30 US US414769A patent/US3270286A/en not_active Expired - Lifetime
- 1964-12-02 AT AT1020964A patent/AT250457B/de active
- 1964-12-04 ES ES0306754A patent/ES306754A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT250457B (de) | 1966-11-10 |
| US3270286A (en) | 1966-08-30 |
| GB1022807A (en) | 1966-03-16 |
| DE1222996B (de) | 1966-08-18 |
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