GB2058505B - Channel selector for a television receiver - Google Patents
Channel selector for a television receiverInfo
- Publication number
- GB2058505B GB2058505B GB8031114A GB8031114A GB2058505B GB 2058505 B GB2058505 B GB 2058505B GB 8031114 A GB8031114 A GB 8031114A GB 8031114 A GB8031114 A GB 8031114A GB 2058505 B GB2058505 B GB 2058505B
- Authority
- GB
- United Kingdom
- Prior art keywords
- television receiver
- channel selector
- selector
- channel
- television
- 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
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
-
- 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
- H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
- H03B5/1841—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a strip line resonator
- H03B5/1847—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a strip line resonator the active element in the amplifier being a semiconductor device
-
- 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
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/326—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator being an acoustic wave device, e.g. SAW or BAW device
-
- 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
- H03D7/125—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes with field effect transistors
-
- 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
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6403—Programmable filters
-
- 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
- H03J5/02—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
-
- 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
- H03J5/02—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
-
- 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
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
- H03B5/362—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device the amplifier being a single transistor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
- H03H9/14508—Polyphase SAW transducers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8031114A GB2058505B (en) | 1977-07-05 | 1980-09-25 | Channel selector for a television receiver |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/813,202 US4162451A (en) | 1977-07-05 | 1977-07-05 | MESFET-device surface-wave-device channel selector |
US05/813,137 US4162452A (en) | 1977-07-05 | 1977-07-05 | Channel selection for a television receiver having low-gain high frequency RF-IF section |
US05/813,198 US4408347A (en) | 1977-07-29 | 1977-07-29 | High-frequency channel selector having fixed bandpass filters in the RF section |
GB8031114A GB2058505B (en) | 1977-07-05 | 1980-09-25 | Channel selector for a television receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2058505A GB2058505A (en) | 1981-04-08 |
GB2058505B true GB2058505B (en) | 1982-09-15 |
Family
ID=27449209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8031114A Expired GB2058505B (en) | 1977-07-05 | 1980-09-25 | Channel selector for a television receiver |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2058505B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3821716A1 (en) * | 1988-06-28 | 1990-01-04 | Telefunken Electronic Gmbh | TELEVISION TUNER WITH A BAND FILTER CIRCUIT |
JPH11112462A (en) * | 1997-08-08 | 1999-04-23 | Sony Corp | Receiver for digital broadcast |
US6696898B1 (en) | 1998-11-12 | 2004-02-24 | Broadcom Corporation | Differential crystal oscillator |
US6591091B1 (en) * | 1998-11-12 | 2003-07-08 | Broadcom Corporation | System and method for coarse/fine PLL adjustment |
WO2000072446A1 (en) | 1999-05-26 | 2000-11-30 | Broadcom Corporation | Integrated vco |
JP2001044872A (en) * | 1999-08-04 | 2001-02-16 | Hitachi Ltd | Semiconductor integrated circuit for processing reception signal |
-
1980
- 1980-09-25 GB GB8031114A patent/GB2058505B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2058505A (en) | 1981-04-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS52144211A (en) | Channel selector for television receiver | |
GB2000926B (en) | Channel selector for television receiver | |
JPS5472601A (en) | Tuner for tv receiver | |
GB1557776A (en) | Television receiver having a channel selection circuit | |
JPS54114915A (en) | Radio receiver channel selector | |
GB2058505B (en) | Channel selector for a television receiver | |
JPS5380108A (en) | Automatic channel selecting receiver | |
JPS5457821A (en) | Tv receiver | |
GB2000927B (en) | Channel selction for television receiver | |
GB2058500B (en) | Channel selector for television receiver | |
GB2003349B (en) | Automatic channel selector apparatus | |
JPS5431215A (en) | Automatic channel selector | |
JPS5431201A (en) | Channel selector | |
JPS5479517A (en) | Tv receiver | |
JPS5399818A (en) | Tv receiver | |
JPS5342501A (en) | Receiver channel selector | |
JPS5416102A (en) | Channel selecting member for pushhbutton tuner | |
JPS548402A (en) | Channel selector | |
JPS5395501A (en) | Channel selector | |
JPS5355907A (en) | Channel selector for receiver | |
JPS5453821A (en) | Tv receiver | |
KR790000038Y1 (en) | Channel selector for electronic tuner | |
JPS53136917A (en) | Receiver channel selection switching device | |
JPS5412501A (en) | Channel selector | |
JPS53120303A (en) | Channel selector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 19980608 |