Method and apparatus for generating high frequency signals...

Details Method and apparatus for generating high frequency signals... Method and apparatus for generating high frequency signals...

2005-08-09

2005-08-09

Mis, David (Department: 2817)

Oscillators

Combined with particular output coupling network

Space discharge or unilaterally conductive device in output...

C331S057000, C327S119000, C327S294000, C327S298000

Reexamination Certificate

active

06927639

ABSTRACT:
Method and related apparatus for realizing frequency-multiplication by generating a high frequency signal according to a plurality of low frequency signals. The method includes: according to a plurality output signals generated by a phase-locked loop (PLL) or a delay-locked loop (DLL), generating a plurality of reference signals with a same frequency and different phases; when a number of the reference signals with signal level high is greater than a number of the reference signals with signal level low, making a signal level of the output signal remains a first level; otherwise, making the signal level of the output signal remains a second level substantially different from the first level. Thus the frequency of the output signals is a multiplication of the frequency of the input signals.

REFERENCES:
patent: 6150855 (2000-11-01), Marbot

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