| 摘要 |
A delay circuit has a second delay element 8 supplied with a delay time control signal Vcntl from a frequency variable oscillator 2 including a first delay element 8 of which delay time as a concomitant of signal propagation is controlled by a delay time control signal and a phase inverting element 9 inverting a phase of the signal, and an adjusting element 10, connected in series to the second delay element 8, to which the signal is propagated, wherein a total of the delay time of the second delay element 8 and the delay time of the adjusting element 10 is adjusted.
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