JPS5418208A - Channel selector - Google Patents

Channel selector

Info

Publication number
JPS5418208A
JPS5418208A JP8249678A JP8249678A JPS5418208A JP S5418208 A JPS5418208 A JP S5418208A JP 8249678 A JP8249678 A JP 8249678A JP 8249678 A JP8249678 A JP 8249678A JP S5418208 A JPS5418208 A JP S5418208A
Authority
JP
Japan
Prior art keywords
channel selector
selector
channel
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.)
Granted
Application number
JP8249678A
Other languages
Japanese (ja)
Other versions
JPH0121648B2 (en
Inventor
Rii Ashiyu Daareru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/813,137 external-priority patent/US4162452A/en
Priority claimed from US05/813,202 external-priority patent/US4162451A/en
Priority claimed from US05/813,198 external-priority patent/US4408347A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of JPS5418208A publication Critical patent/JPS5418208A/en
Publication of JPH0121648B2 publication Critical patent/JPH0121648B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02Automatic frequency control
    • H03J7/04Automatic 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
    • H03J7/08Automatic 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1841Generation 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
    • H03B5/1847Generation 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/326Generation 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/12Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
    • H03D7/125Transference 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16Multiple-frequency-changing
    • H03D7/161Multiple-frequency-changing all the frequency changers being connected in cascade
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/64Filters using surface acoustic waves
    • H03H9/6403Programmable filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous 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
    • H03J5/02Discontinuous 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous 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
    • H03J5/02Discontinuous 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
    • H03J5/0245Discontinuous 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
    • H03J5/0254Discontinuous 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36Generation 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
    • H03B5/362Generation 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14508Polyphase SAW transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
JP8249678A 1977-07-05 1978-07-05 Channel selector Granted JPS5418208A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
US05/813,202 US4162451A (en) 1977-07-05 1977-07-05 MESFET-device surface-wave-device channel selector
US05/813,198 US4408347A (en) 1977-07-29 1977-07-29 High-frequency channel selector having fixed bandpass filters in the RF section

Publications (2)

Publication Number Publication Date
JPS5418208A true JPS5418208A (en) 1979-02-10
JPH0121648B2 JPH0121648B2 (en) 1989-04-21

Family

ID=27420087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8249678A Granted JPS5418208A (en) 1977-07-05 1978-07-05 Channel selector

Country Status (7)

Country Link
JP (1) JPS5418208A (en)
BR (1) BR7804326A (en)
CA (1) CA1110356A (en)
DE (1) DE2829538A1 (en)
FR (1) FR2408944B1 (en)
GB (1) GB2000926B (en)
NL (1) NL7807307A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776935A (en) * 1980-10-29 1982-05-14 Matsushita Electric Ind Co Ltd Tuner
JPS587934A (en) * 1981-07-07 1983-01-17 Matsushita Electric Ind Co Ltd Channel converter device
JPS58179005A (en) * 1982-04-14 1983-10-20 Toshiba Corp Converter device

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408348A (en) * 1981-08-19 1983-10-04 Rca Corporation Multiband tuning system for a television receiver
US4397037A (en) * 1981-08-19 1983-08-02 Rca Corporation Diplexer for television tuning systems
DE3821715A1 (en) * 1988-06-28 1990-01-04 Telefunken Electronic Gmbh INPUT CIRCUIT OF A TELEVISION TUNER
DE3821716A1 (en) * 1988-06-28 1990-01-04 Telefunken Electronic Gmbh TELEVISION TUNER WITH A BAND FILTER CIRCUIT
JP2685537B2 (en) * 1988-10-03 1997-12-03 株式会社日立製作所 Surface acoustic wave device, manufacturing method thereof, adjusting method thereof, and communication device using the same
US5175711A (en) * 1988-10-03 1992-12-29 Hitachi, Ltd. Surface acoustic wave apparatus and method of productivity and adjustment of the same
DE4228834A1 (en) * 1992-08-29 1994-03-03 Thomson Brandt Gmbh Oscillating signal generating stage e.g. PLL balancing method - superimposing signal on oscillator control signal causing control signal value to correspond to neutral value
DE4332161A1 (en) * 1993-09-22 1995-03-23 Thomson Brandt Gmbh Radio frequency receiver

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1142631B (en) * 1959-07-15 1963-01-24 Loewe Opta Ag Television receiving circuit
US3686518A (en) * 1970-09-02 1972-08-22 Clinton S Hartmann Unidirectional surface wave transducers
US3787612A (en) * 1972-07-03 1974-01-22 Zenith Radio Corp Signal processing system for television receiver having acoustic surface wave devices for improved tuning and video demodulation
DE2334570B1 (en) * 1973-07-07 1975-03-06 Philips Patentverwaltung Tunable radio frequency input circuitry for a television receiver
US3946342A (en) * 1973-08-10 1976-03-23 Texas Instruments Incorporated Weighting surface wave filters by withdrawing electrodes
GB1440950A (en) * 1973-10-12 1976-06-30 Mullard Ltd Acoustic surface-wave devices
FR2263635A1 (en) * 1974-03-05 1975-10-03 Oak Holland Bv High stability frequency converter - uses three mixing circuits and a quartz controlled pilot oscillator
US3942120A (en) * 1974-07-22 1976-03-02 Texas Instruments Incorporated SWD FM receiver circuit
US3946338A (en) * 1975-06-09 1976-03-23 Bell Telephone Laboratories, Incorporated Acoustic wave devices involving perturbation of acoustic velocity by diffusion of metals

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776935A (en) * 1980-10-29 1982-05-14 Matsushita Electric Ind Co Ltd Tuner
JPH0116061B2 (en) * 1980-10-29 1989-03-22 Matsushita Electric Ind Co Ltd
JPS587934A (en) * 1981-07-07 1983-01-17 Matsushita Electric Ind Co Ltd Channel converter device
JPS6235291B2 (en) * 1981-07-07 1987-07-31 Matsushita Electric Ind Co Ltd
JPS58179005A (en) * 1982-04-14 1983-10-20 Toshiba Corp Converter device

Also Published As

Publication number Publication date
FR2408944A1 (en) 1979-06-08
JPH0121648B2 (en) 1989-04-21
BR7804326A (en) 1979-04-03
FR2408944B1 (en) 1985-12-06
NL7807307A (en) 1979-01-09
GB2000926A (en) 1979-01-17
CA1110356A (en) 1981-10-06
GB2000926B (en) 1982-04-28
DE2829538A1 (en) 1979-01-25

Similar Documents

Publication Publication Date Title
GB2046042B (en) Channel selector
JPS5447128A (en) Selector
GB2025172B (en) Channel selector
JPS5418208A (en) Channel selector
JPS5487008A (en) Pll channel selector
JPS5431201A (en) Channel selector
JPS535516A (en) Channel selector
JPS548402A (en) Channel selector
JPS5431215A (en) Automatic channel selector
JPS5395501A (en) Channel selector
JPS5323501A (en) Preset channel selector
JPS5440017A (en) Channel selector
JPS5396603A (en) Channel selector
JPS53120303A (en) Channel selector
JPS5380563A (en) Channel selector
JPS5412501A (en) Channel selector
JPS5447130A (en) Selector
JPS5447501A (en) Channel selector
JPS53111210A (en) Channel selector
JPS5380562A (en) Channel selector
JPS53148902A (en) Channel selector
JPS53120302A (en) Channel selector
JPS53120204A (en) Channel selector
JPS53131701A (en) Channel selector
JPS5424502A (en) Channel selector