Divider module for use in an oscillation synthesizer

Details Divider module for use in an oscillation synthesizer Divider module for use in an oscillation synthesizer

2005-12-27

2005-12-27

Tan, Vibol (Department: 2819)

Telecommunications

Radiotelephone system

C455S458000, C455S450000, C455S560000, C375S216000, C375S344000, C327S203000, C327S200000, C326S093000

Reexamination Certificate

active

06980789

ABSTRACT:
A divider module for use in an oscillation synthesizer includes a plurality of flip-flops and a logic circuit. The plurality of flip-flops is interoperably coupled to produce a divider value based on a control signal. The logic circuit is operably coupled to produce the control signal based on divider select signals. Each of the plurality of flip-flops includes a first differential latch module, a second differential latch module. The first differential latch module is operably coupled to produce a differential latched signal based on a differential flip-flop input signal. The second differential latch module is operably coupled to produce a differential flip-flop output based on the differential latched signal. Each of the first and second differential latch modules includes a sample transistor section, a hold transistor section, a first gating circuit, and a second gating circuit.

REFERENCES:
patent: 4121159 (1978-10-01), Lampert
patent: 6574287 (2003-06-01), Swaminathan et al.

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