H - Electricity – 03 – B
Patent
H - Electricity
03
B
331/55, 331/65
H03B 5/32 (2006.01) H03B 5/36 (2006.01) H03H 9/15 (2006.01)
Patent
CA 1047613
IMPROVED BUTLER OSCILLATOR Abstract of the Disclosure An amplitude limiting amplifier followed by a filter network is interposed between the voltage amplification stage and the impedance matching stage in a Butler oscillator. This allows both the voltage amplification stage and the impedance matching stage to be operated in a linear mode at all times which assures that a piezoelectric crystal connected between the stages is connected in a relatively low, constant impedance path and is driven by a sinusoidal waveform, free of distor- tion, to assure maximum frequency stability. - 1 -
254708
Feistel Claude H.
Gianos Philip T.
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