Clock signal generator

Details Clock signal generator Clock signal generator

2008-05-20

2008-05-20

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Regenerating or restoring rectangular or pulse waveform

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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