Method and apparatus for developing a close frequency tolerance

Details Method and apparatus for developing a close frequency tolerance Method and apparatus for developing a close frequency tolerance

1996-10-21

1998-12-08

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synthesizer

327113, 327361, 455 71, H03B 2100

Patent

active

058475850

ABSTRACT:
An input signal of frequency tolerance A is combined with a reference first signal having a frequency tolerance B to develop a second signal having a combined frequency tolerance of -A and B . The input signal is combined with the second signal to offset and cancel the A and -A frequency tolerances to produce an output signal having a B frequency tolerance.

REFERENCES:
patent: 4320533 (1982-03-01), Hashima
patent: 4442406 (1984-04-01), Vose
patent: 4581749 (1986-04-01), Carney et al.
patent: 4912773 (1990-03-01), Schiff
patent: 5115515 (1992-05-01), Yamamoto et al.
patent: 5311318 (1994-05-01), Dobrovolny
patent: 5388125 (1995-02-01), Toda et al.
patent: 5584062 (1996-12-01), Meador et al.

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