Phase-accurate multi-phase wide-band radio frequency local...

Details Phase-accurate multi-phase wide-band radio frequency local... Phase-accurate multi-phase wide-band radio frequency local...

2007-05-29

2007-05-29

Kinkead, Arnold (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular frequency control means

C331S074000, C455S313000, C455S318000, C455S323000

Reexamination Certificate

active

11219980

ABSTRACT:
A local oscillator (LO) generator for driving a bank of mixers that provides precise phase relationship between multi-phase LO outputs comprises a shift register using slave-master-slave flip-flop elements. The LO generator can be used over a wide operating frequency range. The LO generator is suitable for driving a multi-phase LO clock input to a harmonic suppression mixer. A pattern generator produces a pattern signal and a reclocking signal that determines the frequency of the LO signals and the phase delay between the LO output phases.

REFERENCES:
patent: 6243567 (2001-06-01), Saito

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