JPS55162603A - Crystal oscillation circuit - Google Patents

Crystal oscillation circuit

Info

Publication number
JPS55162603A
JPS55162603A JP7034079A JP7034079A JPS55162603A JP S55162603 A JPS55162603 A JP S55162603A JP 7034079 A JP7034079 A JP 7034079A JP 7034079 A JP7034079 A JP 7034079A JP S55162603 A JPS55162603 A JP S55162603A
Authority
JP
Japan
Prior art keywords
inverter
volt
bias
transistor
constituting
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
JP7034079A
Other languages
Japanese (ja)
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 JP7034079A priority Critical patent/JPS55162603A/en
Publication of JPS55162603A publication Critical patent/JPS55162603A/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
    • H03L3/00—Starting of generators

Landscapes

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

Abstract

PURPOSE:To enable to start the oscillation easily even with a low power supply voltage, by adding a transistor for bias to the transistor constituting the inverter at a crystal oscillation circuit. CONSTITUTION:PMOSQ11, NMOSQ12 constituting the inverter are respectively added with bias PMOSQ13 and NMOSQ14. The threshold values of each transistor are set to about one volt, and although the threshold voltage of the inverter is about 2 volt, since the threshold voltages of bias PMOSQ13, NMOSQ14 are about 1 volt, the transistors Q13, Q14 are conductive with the power supply voltage +V at one volt or more. Thus, sufficient bias voltages are given to the transistors Q11, Q12 constituting the inverter to turn on the inverter for the start of oscillation.
JP7034079A 1979-06-05 1979-06-05 Crystal oscillation circuit Pending JPS55162603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7034079A JPS55162603A (en) 1979-06-05 1979-06-05 Crystal oscillation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7034079A JPS55162603A (en) 1979-06-05 1979-06-05 Crystal oscillation circuit

Publications (1)

Publication Number Publication Date
JPS55162603A true JPS55162603A (en) 1980-12-18

Family

ID=13428580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7034079A Pending JPS55162603A (en) 1979-06-05 1979-06-05 Crystal oscillation circuit

Country Status (1)

Country Link
JP (1) JPS55162603A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003008350A (en) * 2001-06-19 2003-01-10 Takehiko Adachi Piezoelectric oscillator
JP2007074465A (en) * 2005-09-08 2007-03-22 Interchip Kk Ac amplifier and piezoelectric vibrator oscillator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50105252A (en) * 1974-01-24 1975-08-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50105252A (en) * 1974-01-24 1975-08-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003008350A (en) * 2001-06-19 2003-01-10 Takehiko Adachi Piezoelectric oscillator
JP2007074465A (en) * 2005-09-08 2007-03-22 Interchip Kk Ac amplifier and piezoelectric vibrator oscillator

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