JPS53104106A - Channel selector - Google Patents

Channel selector

Info

Publication number
JPS53104106A
JPS53104106A JP1822877A JP1822877A JPS53104106A JP S53104106 A JPS53104106 A JP S53104106A JP 1822877 A JP1822877 A JP 1822877A JP 1822877 A JP1822877 A JP 1822877A JP S53104106 A JPS53104106 A JP S53104106A
Authority
JP
Japan
Prior art keywords
channel selector
destinations
destination
building
enable
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
JP1822877A
Other languages
Japanese (ja)
Inventor
Hiroshi Miyamoto
Eisaku Akutsu
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1822877A priority Critical patent/JPS53104106A/en
Publication of JPS53104106A publication Critical patent/JPS53104106A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

PURPOSE:To enable to simply determine the destination with the external switch, by building in the logic calculation program for all the destinations in the logic operation circuit and by controlling the variable frequency divider by obtaining the frequency dividing ratio corresponding to the reception desired channel.
JP1822877A 1977-02-23 1977-02-23 Channel selector Pending JPS53104106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1822877A JPS53104106A (en) 1977-02-23 1977-02-23 Channel selector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1822877A JPS53104106A (en) 1977-02-23 1977-02-23 Channel selector

Publications (1)

Publication Number Publication Date
JPS53104106A true JPS53104106A (en) 1978-09-11

Family

ID=11965794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1822877A Pending JPS53104106A (en) 1977-02-23 1977-02-23 Channel selector

Country Status (1)

Country Link
JP (1) JPS53104106A (en)

Similar Documents

Publication Publication Date Title
JPS52147729A (en) Frequency converter
JPS53104106A (en) Channel selector
JPS52104290A (en) Composite analysis unit
JPS5218114A (en) Antenna changeover switch
JPS53126250A (en) Digital phase synchronous system
JPS546410A (en) Channel selector
JPS5337310A (en) Automatic frequency control circuit
JPS5413206A (en) Fine tuning unit for pll type channel selection circuit
JPS53106510A (en) Synthesizer receiver
JPS52149457A (en) Variable impedance unit
JPS5461451A (en) Variable frequency dividing circuit
JPS5260513A (en) Tuner
JPS5357562A (en) Mixing screw
JPS544008A (en) Communication path system of uni-direction
JPS52120741A (en) High-frequency signal switching unit
JPS5386548A (en) Output limiting circuit
JPS5375811A (en) Time sharing channel formation
JPS53112013A (en) Channel selection unit
JPS5314534A (en) Addition/subtraction circuit unit with variable weight
JPS5294015A (en) Automatic tuning receiver
JPS57138213A (en) Channel selecting circuit
JPS52129210A (en) Channel control circuit
JPS5387114A (en) Receiver
JPS5384502A (en) Selective calling unit
JPS5368112A (en) Channel selector