A 1.5 GHz, sub-2 mW CMOS dual-modulus prescaler

A 16/17 dual-modulus prescaler based on an improved phase switching architecture has been designed. It will be shown that moving the switching operation one stage closer to the input signal not only saves a significant amount of power, but also results in a more robust dual-modulus prescaler that, f...

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Bibliographic Details
Main Authors: Benachour, A., Embabi, S.H.K., Ali, A.
Format: Conference Proceeding
Language:English
Subjects:
Clocks
Educational institutions
Frequency
Noise reduction
Noise robustness
Power measurement
Power semiconductor switches
Power supplies
Semiconductor device noise
Switching circuits
Online Access:Request full text
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Summary:A 16/17 dual-modulus prescaler based on an improved phase switching architecture has been designed. It will be shown that moving the switching operation one stage closer to the input signal not only saves a significant amount of power, but also results in a more robust dual-modulus prescaler that, further, has a greatly reduced susceptibility to noise and spurious tones. With a 2.7 V power supply, measurements show that the prescaler draws less than 700 /spl mu/A while running at 1.5 GHz.
DOI:10.1109/CICC.1999.777356