H - Electricity – 03 – B
Patent
H - Electricity
03
B
331/33
H03B 19/14 (2006.01) H03L 7/06 (2006.01) H03L 7/193 (2006.01)
Patent
CA 2010724
ABSTRACT OF THE DISCLOSURE A slip phase control phase-locked loop includes a voltage-controlled oscillator for generating a frequency signal, and a binary programmable frequency divider for pro- ducing a frequency-divided signal in response to the fre- quency signal supplied thereto, the binary programmable frequency divider including a 2-scale-factor prescaler, a swallow counter, and a main counter. The phase of the frequency-divided signal is compared with the phase of a reference frequency signal. A phase-compared signal is integrated and the integrated signal is applied to the voltage-controlled oscillator. A D/A converter swallow counter and a D/A converter counter are operable with the binary programmable frequency divider for D/A-converting a signal derived from the frequency signal into a pulse-width- modulated signal corresponding to the phase-compared signal at a preset count ranging from 0 to 2M - 1. - 21 -
Egawa Masahiko
Inoue Akiharu
Yamashita Kazuo
Nihon Musen Kabushiki Kaisha
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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