DE2303302B1 - Zweikreisiges Selektionsfilter für zwei unterschiedliche Frequenzbereiche - Google Patents
Zweikreisiges Selektionsfilter für zwei unterschiedliche FrequenzbereicheInfo
- Publication number
- DE2303302B1 DE2303302B1 DE2303302A DE2303302A DE2303302B1 DE 2303302 B1 DE2303302 B1 DE 2303302B1 DE 2303302 A DE2303302 A DE 2303302A DE 2303302 A DE2303302 A DE 2303302A DE 2303302 B1 DE2303302 B1 DE 2303302B1
- Authority
- DE
- Germany
- Prior art keywords
- circuits
- circuit
- band
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000004904 shortening Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000002411 adverse Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000009467 reduction Effects 0.000 claims 1
- 238000010079 rubber tapping Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0153—Electrical filters; Controlling thereof
- H03H7/0161—Bandpass filters
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2303302A DE2303302B1 (de) | 1973-01-24 | 1973-01-24 | Zweikreisiges Selektionsfilter für zwei unterschiedliche Frequenzbereiche |
| NL7400075A NL7400075A (enrdf_load_stackoverflow) | 1973-01-24 | 1974-01-03 | |
| BE7000481A BE809532A (nl) | 1973-01-24 | 1974-01-08 | Uit een aantal ketens bestaand selectiefilter voor twee verschillende frequentiegebieden |
| GB106874A GB1412385A (en) | 1973-01-24 | 1974-01-09 | Multi-circuit selection filter for two different frequency ranges |
| IT1936874A IT1006898B (it) | 1973-01-24 | 1974-01-14 | Filtro selettivo a piu circuiti per due diverse gamme di frequenze |
| CH79674A CH558988A (de) | 1973-01-24 | 1974-01-22 | Mehrkreisiges selektionsfilter fuer zwei unterschiedliche frequenzbereiche. |
| FR7402381A FR2215000B1 (enrdf_load_stackoverflow) | 1973-01-24 | 1974-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2303302A DE2303302B1 (de) | 1973-01-24 | 1973-01-24 | Zweikreisiges Selektionsfilter für zwei unterschiedliche Frequenzbereiche |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2303302B1 true DE2303302B1 (de) | 1974-07-11 |
Family
ID=5869788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2303302A Pending DE2303302B1 (de) | 1973-01-24 | 1973-01-24 | Zweikreisiges Selektionsfilter für zwei unterschiedliche Frequenzbereiche |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE809532A (enrdf_load_stackoverflow) |
| CH (1) | CH558988A (enrdf_load_stackoverflow) |
| DE (1) | DE2303302B1 (enrdf_load_stackoverflow) |
| FR (1) | FR2215000B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1412385A (enrdf_load_stackoverflow) |
| IT (1) | IT1006898B (enrdf_load_stackoverflow) |
| NL (1) | NL7400075A (enrdf_load_stackoverflow) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1791222A1 (de) * | 1967-04-29 | 1971-08-26 | Philips Patentverwaltung | Schaltungsanordnung zum Abstimmen |
| ES359059A1 (es) * | 1968-10-11 | 1970-05-16 | Fagor Electrotecnica Sci | Sintonizador integrado electronicamente para t. v. |
-
1973
- 1973-01-24 DE DE2303302A patent/DE2303302B1/de active Pending
-
1974
- 1974-01-03 NL NL7400075A patent/NL7400075A/xx unknown
- 1974-01-08 BE BE7000481A patent/BE809532A/xx unknown
- 1974-01-09 GB GB106874A patent/GB1412385A/en not_active Expired
- 1974-01-14 IT IT1936874A patent/IT1006898B/it active
- 1974-01-22 CH CH79674A patent/CH558988A/xx not_active IP Right Cessation
- 1974-01-24 FR FR7402381A patent/FR2215000B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2215000A1 (enrdf_load_stackoverflow) | 1974-08-19 |
| GB1412385A (en) | 1975-11-05 |
| IT1006898B (it) | 1976-10-20 |
| NL7400075A (enrdf_load_stackoverflow) | 1974-07-26 |
| BE809532A (nl) | 1974-05-02 |
| CH558988A (de) | 1975-02-14 |
| FR2215000B1 (enrdf_load_stackoverflow) | 1976-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Publication of the examined application without previous publication of unexamined application |