JPS54130815A - Frequency division control circuit - Google Patents

Frequency division control circuit

Info

Publication number
JPS54130815A
JPS54130815A JP3314879A JP3314879A JPS54130815A JP S54130815 A JPS54130815 A JP S54130815A JP 3314879 A JP3314879 A JP 3314879A JP 3314879 A JP3314879 A JP 3314879A JP S54130815 A JPS54130815 A JP S54130815A
Authority
JP
Japan
Prior art keywords
control circuit
frequency division
division control
frequency
circuit
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.)
Pending
Application number
JP3314879A
Other languages
English (en)
Inventor
Atsushiyubanden Fueritsukusu
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 JPS54130815A publication Critical patent/JPS54130815A/ja
Pending 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
    • H03J5/02—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
    • H03J5/0281—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 the digital values being held in an auxiliary non erasable memory
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/56—Input signal compared with linear ramp

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP3314879A 1978-03-20 1979-03-19 Frequency division control circuit Pending JPS54130815A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1099978 1978-03-20
GB1550978 1978-04-19

Publications (1)

Publication Number Publication Date
JPS54130815A true JPS54130815A (en) 1979-10-11

Family

ID=26247920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3314879A Pending JPS54130815A (en) 1978-03-20 1979-03-19 Frequency division control circuit

Country Status (5)

Country Link
US (1) US4227186A (ja)
JP (1) JPS54130815A (ja)
DE (1) DE2910892A1 (ja)
FR (1) FR2420881A1 (ja)
IT (1) IT7921017A0 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578711A (en) * 1983-12-28 1986-03-25 International Business Machines (Ibm) Video data signal digitization and correction system
GB9403605D0 (en) * 1994-02-25 1994-04-13 Texas Instruments Ltd Method and circuit for reducing transient currents
CN102984630B (zh) 2011-09-06 2015-12-02 昂宝电子（上海）有限公司 用于音频放大系统中减少失真的系统和方法
CN103441739B (zh) 2013-08-21 2015-04-22 昂宝电子（上海）有限公司 具有一个或多个通道的放大系统和方法
US9685919B2 (en) 2013-08-21 2017-06-20 On-Bright Electronics (Shanghai) Co., Ltd. Amplification systems and methods with output regulation
CN111551212B (zh) * 2020-06-05 2022-05-27 内蒙古中孚明丰农业科技有限公司 一种基于物联网的农作物信息采集系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL236612A (ja) * 1958-02-28
US2994825A (en) * 1958-07-09 1961-08-01 Hewlett Packard Co Voltage to time-interval converter
US3070786A (en) * 1958-08-21 1962-12-25 Thompson Ramo Wooldridge Inc Drift compensating circuits
US3478348A (en) * 1966-05-02 1969-11-11 Lindsay Molyneux Analogue to digital converter
US4050065A (en) * 1975-05-22 1977-09-20 Leeds & Northrup Company Dual slope analog to digital converter with delay compensation
GB1518712A (en) * 1975-08-28 1978-07-26 Sony Corp Channel selecting apparatus
CA1111107A (en) * 1976-08-25 1981-10-20 Tsutomu Ohgishi Entry apparatus of digital value in memory

Also Published As

Publication number Publication date
FR2420881A1 (fr) 1979-10-19
DE2910892A1 (de) 1979-10-04
IT7921017A0 (it) 1979-03-15
US4227186A (en) 1980-10-07

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