GB1065094A - Improvements in or relating to electrical tuning arrangements - Google Patents
Improvements in or relating to electrical tuning arrangementsInfo
- Publication number
- GB1065094A GB1065094A GB47555/63A GB4755563A GB1065094A GB 1065094 A GB1065094 A GB 1065094A GB 47555/63 A GB47555/63 A GB 47555/63A GB 4755563 A GB4755563 A GB 4755563A GB 1065094 A GB1065094 A GB 1065094A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tuning
- circuit
- conductors
- printed
- loop
- 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
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
- H03D9/06—Transference of modulation using distributed inductance and capacitance
- H03D9/0658—Transference of modulation using distributed inductance and capacitance by means of semiconductor devices having more than two electrodes
- H03D9/0666—Transference of modulation using distributed inductance and capacitance by means of semiconductor devices having more than two electrodes using bipolar transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
- H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
- H03B5/1256—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a variable inductance
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Abstract
1,065,094. Filters; circuit assemblies. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. Dec. 2, 1963 [Nov. 30, 1962], No. 47555/63. Headings H1R and H1W. [Also in Division H3] A tuning arrangement for e.g. U.H.F. television receivers comprises a plurality of resonant circuits, each having an inner conductor serving as a resonant line mounted within a conductive enclosure, the inner conductors being printed on, and supported by, a common insulating member. In an embodiment, a U.H.F. tuner unit comprises separate chambers (5, 6, 7 and 8, Fig. 2), a spindle (9) carrying the rotors (10, 11, 12) of three variable condensers, and stators (21, 22, 23) mounted on the higher potential ends of the inner conductors (18, 19, 20, Fig. 4) of #/2 or #/4 tuned circuits, the conductors (18, 19, 20) being printed on an insulating plate (17, Figs. 1 and 2). The plate (17) has recesses (31, 32, Fig. 4) for two transistors (33 and 34, Fig. 5). In operation, antenna energy passes via a preamplifier transistor (34) to the first inner conductor (20, Figs. 4 and 5), which together with a tuning condenser (12, 23, Figs. 1, 2) and a trimming condenser (26, Figs. 1 and 2) comprise a first filter circuit. A loop (28, Figs. 4 and 5) couples the first to a second filter circuit, and a loop (27) inductively couples this second filter to the tuning circuit (18) and self-oscillating mixer transistor (33, Fig. 5) &c.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET0023101 | 1962-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1065094A true GB1065094A (en) | 1967-04-12 |
Family
ID=7550841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB47555/63A Expired GB1065094A (en) | 1962-11-30 | 1963-12-02 | Improvements in or relating to electrical tuning arrangements |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1065094A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2281663A (en) * | 1993-08-18 | 1995-03-08 | Nokia Telecommunications Oy | Filters for radio base stations |
-
1963
- 1963-12-02 GB GB47555/63A patent/GB1065094A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2281663A (en) * | 1993-08-18 | 1995-03-08 | Nokia Telecommunications Oy | Filters for radio base stations |
| GB2281663B (en) * | 1993-08-18 | 1997-08-20 | Nokia Telecommunications Oy | Filters for radio base stations |
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