Oscillators – Solid state active element oscillator – Transistors
Patent
1978-08-31
1980-04-01
Grimm, Siegfried H.
Oscillators
Solid state active element oscillator
Transistors
331173, H03B 536
Patent
active
041964047
ABSTRACT:
Control transistors connected to the amplifier portion of a quartz crystal oscillator circuit are periodically switched between conducting and non-conducting states so that the quartz crystal element is alternately driven and oscillating freely, the output signal from the circuit being gradually attenuated during free oscillation intervals but recovering original amplitude when drive is reapplied and remaining in fixed phase.
REFERENCES:
patent: 3855549 (1974-12-01), Huener et al.
patent: 4039973 (1977-08-01), Yamashiro
Citizen Watch Co. Ltd.
Grimm Siegfried H.
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