Harness, Dickey & Pierce, P.L.C.
Oscillation circuit, oscillator, fractional N-PLL circuit, electronic apparatus, moving object, and determination method of reference frequency of fractional N-PLL circuit
In order to configure an oscillation circuit, an oscillator, a fractional N-PLL circuit, and the like that can output a plurality of frequencies, while decreasing an influence of an integer value boundary spurious at one reference frequency, the oscillation circuit includes a circuit for oscillation that oscillates a resonator, a fractional N-PLL circuit to which a signal from the circuit for oscillation is input, and a non-volatile memory that stores a plurality of division ratios, which can be selected from outside, of the fractional N-PLL circuit. A fractional portion of at least two of the plurality of division ratios is equal to or higher than 0.05 and is equal to or lower than 0.95.
Seiko Epson Corporation
H
H03L
inventional
Hayato Hisahiro Yuichi Mitsuaki Yasunari
Terashi Ito Toriumi Sawada Furuya