GB594657A - Improvements in or relating to tunable circuit arrangements - Google Patents
Improvements in or relating to tunable circuit arrangementsInfo
- Publication number
- GB594657A GB594657A GB1702444A GB1702444A GB594657A GB 594657 A GB594657 A GB 594657A GB 1702444 A GB1702444 A GB 1702444A GB 1702444 A GB1702444 A GB 1702444A GB 594657 A GB594657 A GB 594657A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- inductance
- capacity
- aerial
- band
- 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
- 230000001808 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000000875 corresponding Effects 0.000 abstract 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
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
594,657. Impedance networks; aerial coupling arrangements. EGGLETON, C. W. Sept. 6, 1944, No. 17024. [Classes 40 (iii) and 40 (v)] A tuning circuit arrangement, particularly for a short aerial as used with a receiver in a motor vehicle, having a tunable circuit comprising an inductance 2 and capacity 3 and a parallel-resonant circuit comprising a stray capacity 4 associated with the aerial 1 and an inductance 6 coupled to the tunable circuit by a capacity 5, incorporates a double-pole switch 7 which, in the dotted line position, shortcircuits the inductance 2 so that the inductance 6 and the variable capacity 3 become the elements of a tuning circuit for another wave band. The parallel-resonant circuit is preferably tuned to a frequency of approximately 550 kilocycles per second corresponding to the low-frequency end of the medium wave-band and the circuit with the switch 7 in the dottedline position is utilized for the long wave-band. The tuning circuit arrangement may be used as an interstage coupling. Specification 383,987 is referred to.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB594657A true GB594657A (en) | 1947-11-17 |
Family
ID=1732761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1702444A Expired GB594657A (en) | 1944-09-06 | Improvements in or relating to tunable circuit arrangements |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB594657A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092295A (en) * | 2019-12-16 | 2020-05-01 | 闻泰通讯股份有限公司 | Antenna, antenna adjusting method, terminal and storage medium |
-
1944
- 1944-09-06 GB GB1702444A patent/GB594657A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092295A (en) * | 2019-12-16 | 2020-05-01 | 闻泰通讯股份有限公司 | Antenna, antenna adjusting method, terminal and storage medium |
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