Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Frequency or repetition rate conversion or control
Patent
1999-03-30
2000-09-12
Tran, Toan
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Frequency or repetition rate conversion or control
327115, 327116, H03B 1900
Patent
active
061183121
ABSTRACT:
A clock circuit which selectively outputs a clock signal of a frequency equal to an integer multiple of a frequency of a master clock signal includes a setting circuit which sets a value corresponding to a target frequency of the clock signal, a counting circuit which counts pulses of the master clock signal, and an extracting circuit which extracts a pulse of the master clock signal each time a counter value of the counting circuit becomes equal to the value set by the setting circuit.
REFERENCES:
patent: 4623846 (1986-11-01), LaMacchia
patent: 4891825 (1990-01-01), Hansen
patent: 6049236 (2000-04-01), Walden
Fujitsu Limited
Tran Toan
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