IT1006898B - Filtro selettivo a piu circuiti per due diverse gamme di frequenze - Google Patents
Filtro selettivo a piu circuiti per due diverse gamme di frequenzeInfo
- Publication number
- IT1006898B IT1006898B IT1936874A IT1936874A IT1006898B IT 1006898 B IT1006898 B IT 1006898B IT 1936874 A IT1936874 A IT 1936874A IT 1936874 A IT1936874 A IT 1936874A IT 1006898 B IT1006898 B IT 1006898B
- Authority
- IT
- Italy
- Prior art keywords
- different frequency
- frequency ranges
- selective filter
- multiple circuit
- circuit selective
- Prior art date
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
- 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
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 |
|---|---|
| IT1006898B true IT1006898B (it) | 1976-10-20 |
Family
ID=5869788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT1936874A IT1006898B (it) | 1973-01-24 | 1974-01-14 | Filtro selettivo a piu circuiti per due diverse gamme di frequenze |
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 |
|---|---|
| GB1412385A (en) | 1975-11-05 |
| NL7400075A (enrdf_load_stackoverflow) | 1974-07-26 |
| FR2215000B1 (enrdf_load_stackoverflow) | 1976-10-08 |
| BE809532A (nl) | 1974-05-02 |
| DE2303302B1 (de) | 1974-07-11 |
| FR2215000A1 (enrdf_load_stackoverflow) | 1974-08-19 |
| CH558988A (de) | 1975-02-14 |
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