JPS55162602A - Oscillation circuit - Google Patents

Oscillation circuit

Info

Publication number
JPS55162602A
JPS55162602A JP7098279A JP7098279A JPS55162602A JP S55162602 A JPS55162602 A JP S55162602A JP 7098279 A JP7098279 A JP 7098279A JP 7098279 A JP7098279 A JP 7098279A JP S55162602 A JPS55162602 A JP S55162602A
Authority
JP
Japan
Prior art keywords
oscillation
inverter
circuit
continuity
state
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
JP7098279A
Other languages
Japanese (ja)
Other versions
JPS6349405B2 (en
Inventor
Hatsuhide Igarashi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7098279A priority Critical patent/JPS55162602A/en
Priority to US06/110,715 priority patent/US4321562A/en
Publication of JPS55162602A publication Critical patent/JPS55162602A/en
Publication of JPS6349405B2 publication Critical patent/JPS6349405B2/ja
Granted 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
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/364—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device the amplifier comprising field effect transistors
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0082—Lowering the supply voltage and saving power
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0088—Reduction of noise
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0094—Measures to ensure starting of oscillations

Landscapes

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

Abstract

PURPOSE:To obtain stable start of oscillation and continuity of oscillation with low power consumption, by switching the inverting circuit with control pulses in an oscillation circuit. CONSTITUTION:When a control pulse phi is at high level, the first inverter (NMOSs Q21, Q31, PMOSsQ22, Q32) and the second inverter (NMOSsQ23, Q27, PMOSsQ24, Q28) are at cutoff state and the oscillation is started only with the third inverter (NMOSQ25, PMOSQ26). After that, when the inner circuit and the state of power supply are stable, the control pulse phi is at low level, the first and the second inverter are at conductive state, and the oscillation continues with the three stage of inverter. The oscillation of undesired frequency as the result of CR oscillation loop formation based on the high gain of the three stage inverter at the start of oscillation is prevented and the capacitance between the input and output at the continuity of oscillation is avoided, allowing to achieve low power consumption.
JP7098279A 1979-01-11 1979-06-06 Oscillation circuit Granted JPS55162602A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7098279A JPS55162602A (en) 1979-06-06 1979-06-06 Oscillation circuit
US06/110,715 US4321562A (en) 1979-01-11 1980-01-09 Crystal oscillator circuit capable of changing the number of inverter stages coupled in series

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7098279A JPS55162602A (en) 1979-06-06 1979-06-06 Oscillation circuit

Publications (2)

Publication Number Publication Date
JPS55162602A true JPS55162602A (en) 1980-12-18
JPS6349405B2 JPS6349405B2 (en) 1988-10-04

Family

ID=13447233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7098279A Granted JPS55162602A (en) 1979-01-11 1979-06-06 Oscillation circuit

Country Status (1)

Country Link
JP (1) JPS55162602A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100348002B1 (en) * 1992-10-16 2002-11-25 내셔널 세미콘덕터 코포레이션 Switchable Compensation Improves Oscillator Performance

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102559516B1 (en) * 2020-08-31 2023-07-26 경희대학교 산학협력단 Composition comprising milk exosomes for inducing browning of white adipose tissue

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100348002B1 (en) * 1992-10-16 2002-11-25 내셔널 세미콘덕터 코포레이션 Switchable Compensation Improves Oscillator Performance

Also Published As

Publication number Publication date
JPS6349405B2 (en) 1988-10-04

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