JPS561602A - Programmable oscillating circuit - Google Patents

Programmable oscillating circuit

Info

Publication number
JPS561602A
JPS561602A JP7703979A JP7703979A JPS561602A JP S561602 A JPS561602 A JP S561602A JP 7703979 A JP7703979 A JP 7703979A JP 7703979 A JP7703979 A JP 7703979A JP S561602 A JPS561602 A JP S561602A
Authority
JP
Japan
Prior art keywords
decoder
oscillator
output
time constant
oscillating 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
JP7703979A
Other languages
Japanese (ja)
Inventor
Takao Ikegami
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP7703979A priority Critical patent/JPS561602A/en
Publication of JPS561602A publication Critical patent/JPS561602A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

Abstract

PURPOSE:To obtain the timing signals for various types of digital apparatus through a simple constitution, by switching the CR time constant of the CR oscillator based on the output of the decoder. CONSTITUTION:The oscillation frequency is decided for pulse oscillator 1 with the time constant of CR. The pulse outputs of oscillator 1 are counted by N-notation counter (N: optional integer) and then led to decoder 3 to receive the serial-parallel conversion. The output of decoder 3 is supplied to switch circuits SW1-SWN, and the CR time constant of oscillator 1 is switched based on the output of decoder 3. As a result, the timing signals can be obtained for various types of digital apparatus through a simple constitution.
JP7703979A 1979-06-18 1979-06-18 Programmable oscillating circuit Pending JPS561602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7703979A JPS561602A (en) 1979-06-18 1979-06-18 Programmable oscillating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7703979A JPS561602A (en) 1979-06-18 1979-06-18 Programmable oscillating circuit

Publications (1)

Publication Number Publication Date
JPS561602A true JPS561602A (en) 1981-01-09

Family

ID=13622619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7703979A Pending JPS561602A (en) 1979-06-18 1979-06-18 Programmable oscillating circuit

Country Status (1)

Country Link
JP (1) JPS561602A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4221304C1 (en) * 1992-06-29 1993-09-16 Siemens Audiologische Technik Gmbh, 91058 Erlangen, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4221304C1 (en) * 1992-06-29 1993-09-16 Siemens Audiologische Technik Gmbh, 91058 Erlangen, De

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