JPS5365647A - Frequency compound circuit - Google Patents

Frequency compound circuit

Info

Publication number
JPS5365647A
JPS5365647A JP14158276A JP14158276A JPS5365647A JP S5365647 A JPS5365647 A JP S5365647A JP 14158276 A JP14158276 A JP 14158276A JP 14158276 A JP14158276 A JP 14158276A JP S5365647 A JPS5365647 A JP S5365647A
Authority
JP
Japan
Prior art keywords
frequency
compound circuit
frequency compound
variable frequency
decreasing
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
JP14158276A
Other languages
Japanese (ja)
Other versions
JPS576735B2 (en
Inventor
Tomoaki Irimichi
Shunichi Nezu
Michio Okamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP14158276A priority Critical patent/JPS5365647A/en
Publication of JPS5365647A publication Critical patent/JPS5365647A/en
Publication of JPS576735B2 publication Critical patent/JPS576735B2/ja
Granted 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
    • H03L7/197—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

PURPOSE:To ensure a fine adjustment for the frequency of the local oscillator opposing to the frequency dispersion of BPF constituting the intermediate frequency even under use of a low-speed variable frequency divider, by decreasing the minimum variable frequency step width.
JP14158276A 1976-11-24 1976-11-24 Frequency compound circuit Granted JPS5365647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14158276A JPS5365647A (en) 1976-11-24 1976-11-24 Frequency compound circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14158276A JPS5365647A (en) 1976-11-24 1976-11-24 Frequency compound circuit

Publications (2)

Publication Number Publication Date
JPS5365647A true JPS5365647A (en) 1978-06-12
JPS576735B2 JPS576735B2 (en) 1982-02-06

Family

ID=15295337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14158276A Granted JPS5365647A (en) 1976-11-24 1976-11-24 Frequency compound circuit

Country Status (1)

Country Link
JP (1) JPS5365647A (en)

Also Published As

Publication number Publication date
JPS576735B2 (en) 1982-02-06

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