Clock system and method for reducing the measured level of unint

Details Clock system and method for reducing the measured level of unint Clock system and method for reducing the measured level of unint

1993-12-08

1995-07-04

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Frequency or repetition rate conversion or control

327119, 327131, 327134, H04L 700

Patent

active

054303923

ABSTRACT:
A clock system and method for reducing the measured level of electromagnetic emissions, measured by a measuring device employing a C.I.S.P.R. quasi-peak detector from an electronic device having unintentional electromagnetic emissions at frequencies derived from a system clock is achieved by varying the frequency of the system clock in a range between first and second predetermined frequencies to spread the emission energy over the frequency range and reduce measured emission levels.

REFERENCES:
patent: 3388349 (1964-09-01), Ault
patent: 4507796 (1985-03-01), Stumfall
patent: 4996684 (1991-02-01), Morley et al.

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