Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By frequency
Patent
1997-10-21
1999-04-20
Ton, My-Trang Nu
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By frequency
327 39, H03K 906, G01R 2302
Patent
active
058960490
ABSTRACT:
A circuit for measuring the frequency of an electrical signal includes a detector that senses a reoccurring phase point the electrical signal. A divide-by-M counter is connected to the detector and produces a control signal upon every Mth occurrence of the indication, where M is a positive number greater than one. A clock signal generator is provided. An output counter counts cycles of the clock signal between occurrences of the control signal and divides the count by M to produce an output count that corresponds to the frequency of the electrical signal.
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Nelson Jeffrey C.
Saunders John M.
Kohler Co.
Nu Ton My-Trang
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