JPS5466761A - Oscillation circuit - Google Patents

Oscillation circuit

Info

Publication number
JPS5466761A
JPS5466761A JP11595478A JP11595478A JPS5466761A JP S5466761 A JPS5466761 A JP S5466761A JP 11595478 A JP11595478 A JP 11595478A JP 11595478 A JP11595478 A JP 11595478A JP S5466761 A JPS5466761 A JP S5466761A
Authority
JP
Japan
Prior art keywords
frequency
circuit
demultiplied
output
oscillation
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
JP11595478A
Other languages
Japanese (ja)
Other versions
JPS576853B2 (en
Inventor
Seiji Ohashi
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 JP11595478A priority Critical patent/JPS5466761A/en
Publication of JPS5466761A publication Critical patent/JPS5466761A/en
Publication of JPS576853B2 publication Critical patent/JPS576853B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/662—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by adding or suppressing pulses

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)

Abstract

PURPOSE:To establish the circuit having stable performance to the temperature and voltage variation, by keeping constant the output pulse width of an arbitrary oscillation frequency and making easy for circuit integration with the one oscillator and frequency dividing circuit demultiplying the oscillated frequency. CONSTITUTION:The oscillation frequency fo of one oscillation section 1 is added to the frequency dividing section 2, the oscillation frequency fo is demultiplied into arbitrary frequency fo/512 to fo/32768, arbitrary demultiplied frequency is fed to the AND circuit 3, and operation is made together with the output signal of the frequency selection instruction circuit constituted with the inhibit circuit 6, memory circuit 5 and delay circuit 6. Further, constitution is made that the maximum output demultiplied frequency of the frequency demultiplied circuit 2 and the output of the AND circuit 3 have the same pulse width, and the oscillation frequency output stable to the temperature and voltage variation is outputted.
JP11595478A 1978-09-22 1978-09-22 Oscillation circuit Granted JPS5466761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11595478A JPS5466761A (en) 1978-09-22 1978-09-22 Oscillation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11595478A JPS5466761A (en) 1978-09-22 1978-09-22 Oscillation circuit

Publications (2)

Publication Number Publication Date
JPS5466761A true JPS5466761A (en) 1979-05-29
JPS576853B2 JPS576853B2 (en) 1982-02-06

Family

ID=14675250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11595478A Granted JPS5466761A (en) 1978-09-22 1978-09-22 Oscillation circuit

Country Status (1)

Country Link
JP (1) JPS5466761A (en)

Also Published As

Publication number Publication date
JPS576853B2 (en) 1982-02-06

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