Clock signal generator

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Regenerating or restoring rectangular or pulse waveform

Reexamination Certificate

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Details

C327S291000

Reexamination Certificate

active

07375566

ABSTRACT:
A clock signal generator includes a quartz crystal multivibrator circuit and a pulse-shaping circuit. The pulse-shaping circuit includes a D trigger. The D trigger includes a Q terminal, a Q′ terminal, a CP terminal, and a D terminal. An output signal from the quartz crystal multivibrator is transferred to the CP terminal. The Q′ terminal is connected to the D terminal. The Q terminal is an output end of the clock signal. A capacitor C4is connected between the CP terminal and ground. A capacitor C5is connected between the D terminal and ground. The capacitance of the capacitors C4and C5is adjusted to attain a clock signal of a predetermined frequency.

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patent: 2005/0218953 (2005-10-01), Slawecki

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