GB1022308A - Crystal oscillator circuit - Google Patents

Crystal oscillator circuit

Info

Publication number
GB1022308A
GB1022308A GB3674164A GB3674164A GB1022308A GB 1022308 A GB1022308 A GB 1022308A GB 3674164 A GB3674164 A GB 3674164A GB 3674164 A GB3674164 A GB 3674164A GB 1022308 A GB1022308 A GB 1022308A
Authority
GB
United Kingdom
Prior art keywords
circuit
collector
crystal oscillator
oscillator circuit
tank 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.)
Expired
Application number
GB3674164A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB1022308A publication Critical patent/GB1022308A/en
Expired 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
    • H03B5/362—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 being a single transistor

Landscapes

  • Oscillators With Electromechanical Resonators (AREA)

Abstract

1,022,308. Harmonic mode crystal oscillators. STANDARD TELEPHONES & CABLES Ltd. Sept. 8, 1964 [Sept. 9, 1963], No. 36741/64. Heading H3T. In a harmonic mode transistor oscillator a frequency determining crystal is connected between a tap on the collector tank circuit 1, 2 (not shown), and the emitter, and the tank circuit has a low Q as a result of a relatively low impedance circuit 10 connecting the collector to the collector supply. In the circuit shown the tank circuit is tuned by the capacitance of the transistor.
GB3674164A 1963-09-09 1964-09-08 Crystal oscillator circuit Expired GB1022308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30746363A 1963-09-09 1963-09-09

Publications (1)

Publication Number Publication Date
GB1022308A true GB1022308A (en) 1966-03-09

Family

ID=23189888

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3674164A Expired GB1022308A (en) 1963-09-09 1964-09-08 Crystal oscillator circuit

Country Status (1)

Country Link
GB (1) GB1022308A (en)

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