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
English (en)
Japanese (ja)
Other versions
JPH0121648B2 (xx
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/ja
Publication of JPH0121648B2 publication Critical patent/JPH0121648B2/ja
Granted legal-status Critical Current

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)
  • 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 (xx) 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 (xx)
BR (1) BR7804326A (xx)
CA (1) CA1110356A (xx)
DE (1) DE2829538A1 (xx)
FR (1) FR2408944B1 (xx)
GB (1) GB2000926B (xx)
NL (1) NL7807307A (xx)

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 (ja) * 1981-07-07 1983-01-17 Matsushita Electric Ind Co Ltd チャンネルコンバ−タ装置
JPS58179005A (ja) * 1982-04-14 1983-10-20 Toshiba Corp コンバ−タ装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397037A (en) * 1981-08-19 1983-08-02 Rca Corporation Diplexer for television tuning systems
US4408348A (en) * 1981-08-19 1983-10-04 Rca Corporation Multiband tuning system for a television receiver
DE3821715A1 (de) * 1988-06-28 1990-01-04 Telefunken Electronic Gmbh Eingangsschaltung eines fernsehtuners
DE3821716A1 (de) * 1988-06-28 1990-01-04 Telefunken Electronic Gmbh Fernsehtuner mit einer bandfilterschaltung
JP2685537B2 (ja) * 1988-10-03 1997-12-03 株式会社日立製作所 弾性表面波装置、その製作方法、その調整方法、及びそれを用いた通信装置
US5175711A (en) * 1988-10-03 1992-12-29 Hitachi, Ltd. Surface acoustic wave apparatus and method of productivity and adjustment of the same
DE4228834A1 (de) * 1992-08-29 1994-03-03 Thomson Brandt Gmbh Verfahren und Vorrichtung zum Abgleich einer PLL Stufe
DE4332161A1 (de) * 1993-09-22 1995-03-23 Thomson Brandt Gmbh Hochfrequenzempfänger

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1142631B (de) * 1959-07-15 1963-01-24 Loewe Opta Ag Fernsehempfangsschaltung
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 (de) * 1973-07-07 1975-03-06 Philips Patentverwaltung Abstimmbare Hochfrequenz-Eingangsschaltungsanordnung fuer einen Fernsehempfaenger
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 (xx) * 1980-10-29 1989-03-22 Matsushita Electric Ind Co Ltd
JPS587934A (ja) * 1981-07-07 1983-01-17 Matsushita Electric Ind Co Ltd チャンネルコンバ−タ装置
JPS6235291B2 (xx) * 1981-07-07 1987-07-31 Matsushita Electric Ind Co Ltd
JPS58179005A (ja) * 1982-04-14 1983-10-20 Toshiba Corp コンバ−タ装置

Also Published As

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

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