Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Frequency or repetition rate conversion or control
Patent
1997-10-27
2000-02-01
Wells, Kenneth B.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Frequency or repetition rate conversion or control
327116, 377 47, H03B 1900
Patent
active
06020771&
ABSTRACT:
A frequency multiplier integrated circuit (IC) has a frequency multiplier 1, an initialization signal generator 2, data sampling generator 3, and a clock generator 4. The frequency multiplier 1 has a timer 17 for calculating a first time between changes of state of an input signal, a time calculator 18 for a second time that a should occur between changes of state in the output signal, and an output signal generator 19 for generating the output signal. The initialization signal generator generates two initialization signals 12 and 13, one being the complement of the other, with a duration greater than 20 msec after an input initialization signal is received.
REFERENCES:
patent: 4244027 (1981-01-01), Shai
patent: 4773031 (1988-09-01), Tobin
patent: 5438245 (1995-08-01), Kii et al.
patent: 5822229 (1998-10-01), Steinbach
Telefonica de Espana S.A.
Wells Kenneth B.
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