JPS5772433A - Input selecting device - Google Patents

Input selecting device

Info

Publication number
JPS5772433A
JPS5772433A JP56133227A JP13322781A JPS5772433A JP S5772433 A JPS5772433 A JP S5772433A JP 56133227 A JP56133227 A JP 56133227A JP 13322781 A JP13322781 A JP 13322781A JP S5772433 A JPS5772433 A JP S5772433A
Authority
JP
Japan
Prior art keywords
selecting device
input selecting
input
selecting
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
JP56133227A
Other languages
English (en)
Other versions
JPH038129B2 (ja
Inventor
Resutaa Reeman Uiriamu
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.)
RCA Corp
Original Assignee
RCA Corp
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
Application filed by RCA Corp filed Critical RCA Corp
Publication of JPS5772433A publication Critical patent/JPS5772433A/ja
Publication of JPH038129B2 publication Critical patent/JPH038129B2/ja
Granted legal-status Critical Current

Links

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
    • 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
    • H03B5/1243—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 the means comprising voltage variable capacitance 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
    • H03B5/08—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
    • H03B5/1296—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 feedback circuit comprising a transformer
    • 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
    • H03J5/0272—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • 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
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/01—Varying the frequency of the oscillations by manual means
    • H03B2201/018—Varying the frequency of the oscillations by manual means the means being a manual switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
JP56133227A 1980-08-25 1981-08-24 Input selecting device Granted JPS5772433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/180,580 US4379271A (en) 1980-08-25 1980-08-25 Input selection arrangement for applying different local oscillator signals to a prescaler of a phase-lock loop tuning system

Publications (2)

Publication Number Publication Date
JPS5772433A true JPS5772433A (en) 1982-05-06
JPH038129B2 JPH038129B2 (ja) 1991-02-05

Family

ID=22660978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56133227A Granted JPS5772433A (en) 1980-08-25 1981-08-24 Input selecting device

Country Status (4)

Country Link
US (1) US4379271A (ja)
JP (1) JPS5772433A (ja)
CA (1) CA1171926A (ja)
DE (1) DE3133547A1 (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791085A (en) * 1980-11-27 1982-06-07 Sony Corp Television receiver
US4368540A (en) * 1981-06-05 1983-01-11 Rca Corporation Phase locked loop tuning system including a prescaler conditioned to oscillate at an out-of-band frequency
US4499495A (en) * 1982-07-26 1985-02-12 Zenith Electronics Corporation Switching diplexer for single antenna input television receivers
JPS5959049U (ja) * 1982-10-13 1984-04-17 アルプス電気株式会社 周波数シンセサイザ用電子同調チユ−ナ
DE3318197C1 (de) * 1983-05-19 1984-10-04 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Eingangsschaltungsanordnung fuer Fernsehempfangsgeraete
CA2107632C (en) * 1992-10-05 1997-06-03 Nec Corporation Local oscillator and its frequency switching method
DE19538544A1 (de) * 1995-10-17 1997-04-24 Philips Patentverwaltung Schaltungsanordnung mit einer Hochfrequenz-Empfangsstufe und einer Übertragungsstufe
US5748047A (en) * 1996-08-15 1998-05-05 Northrop Grumman Corporation Microwave frequency generator and method of generating a desired microwave frequency signal
KR100221922B1 (ko) * 1997-02-06 1999-09-15 김영환 상/하향 펄스 발생장치
TW331681B (en) * 1997-02-18 1998-05-11 Chyng-Guang Juang Wide-band low-noise low-crossover distortion receiver
WO1999005796A1 (en) * 1997-07-25 1999-02-04 Koninklijke Philips Electronics N.V. Multi-standard reception
CN1572107A (zh) * 2001-10-16 2005-01-26 Rf信息公司 在单片集成电路中实现接收机功能的方法与装置
US7199844B2 (en) * 2002-05-28 2007-04-03 Rfstream Corporation Quadratic nyquist slope filter
WO2003103131A2 (en) * 2002-05-29 2003-12-11 Ukom, Inc. Image rejection quadratic filter
US6882245B2 (en) * 2002-06-05 2005-04-19 Rf Stream Corporation Frequency discrete LC filter bank
AU2003243422A1 (en) * 2002-06-05 2003-12-22 Rfstream Corporation Quadratic video demodulation with baseband nyquist filter
US6940365B2 (en) * 2003-07-18 2005-09-06 Rfstream Corporation Methods and apparatus for an improved discrete LC filter
EP1861925A2 (en) * 2005-03-11 2007-12-05 Corporation Rfstream Radio frequency inductive-capacitive filter circuit topology
US7358795B2 (en) * 2005-03-11 2008-04-15 Rfstream Corporation MOSFET temperature compensation current source
US20060217095A1 (en) * 2005-03-11 2006-09-28 Takatsuga Kamata Wideband tuning circuit
TWI322617B (en) * 2006-09-12 2010-03-21 Himax Tech Ltd A tv tuner and the manufacturing method thereof
EP2887356B1 (en) 2012-09-20 2017-04-12 Nuclear Fuel Industries, Ltd. Computer-implemented method for setting equivalent fissile coefficient
CN112595896B (zh) * 2020-11-28 2022-04-08 国网河南省电力公司电力科学研究院 一种对地电容参数检测方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949817U (ja) * 1972-08-07 1974-05-01
JPS5322402A (en) * 1977-05-09 1978-03-01 Toshiba Corp Tape recorder
JPS54152619U (ja) * 1978-04-14 1979-10-24

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5133916A (en) * 1974-09-17 1976-03-23 Matsushita Electric Ind Co Ltd Vhf terebijonchuuna no nyuryokukairo
US4127820A (en) * 1977-03-28 1978-11-28 Rca Corporation Electrical circuit for multiplexing and dividing different bands or frequencies
US4118679A (en) * 1977-05-23 1978-10-03 General Instrument Corporation VHF, UHF and superband tuner with automatic switching

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949817U (ja) * 1972-08-07 1974-05-01
JPS5322402A (en) * 1977-05-09 1978-03-01 Toshiba Corp Tape recorder
JPS54152619U (ja) * 1978-04-14 1979-10-24

Also Published As

Publication number Publication date
US4379271A (en) 1983-04-05
DE3133547A1 (de) 1982-06-24
CA1171926A (en) 1984-07-31
JPH038129B2 (ja) 1991-02-05
DE3133547C2 (ja) 1987-09-17

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