Importance

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Abstract

There are provided a timing generating circuit which can generate the rising edge or the falling edge of pulses with a resolution higher than the frequency of a repeat signal generating circuit, and a phase shift circuit which can be applied to the timing generating circuit. The phase shift circuit receiving a repeat signal generates a signal of which a phase is shifted by a predetermined quantity on the basis of the repeat signal, the phase shift controller controls what phase of signal the phase shift circuit output among first to M-th signals, and the counter circuit counts the number of output signals of the phase shift circuit and generates a count end signal when the count value reaches a set value, and thereby the counter circuit outputs a synthesized timing signal of the timing of the repeat signal and the timing shifted by the phase shift circuit.

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First Claim