High-frequency CMOS dual/multi modulus prescaler

Details High-frequency CMOS dual/multi modulus prescaler High-frequency CMOS dual/multi modulus prescaler

1997-01-10

2000-07-25

Wambach, Margaret R.

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

Pulse multiplication or division

377 48, H03K 2100

Patent

active

060944668

ABSTRACT:
The invention of the "high-frequency CMOS dual/multi modulus prescaler" is a new application in this field. Compared to other transistors which have CMOS technology, this invention has a greater potential for high frequency operations. Additionally, it has a low-power consumption property and can be easily integrated with CMOS technology. We propose a general construction of the prescaler which can be applied to dual-modulus prescaler. First, a divide-by-3/4 dual-modulus prescaler and a divide-by-4/5 one are presented. Consequently, a general dual-modulus prescaler is developed based on the same technique. Moreover, a general multi-modulus prescaler will also be achieved. The operating frequency can be up to 1 GHz for the proposed dual/multiple modulus prescalers which are fabricated in a 0.8-.mu.m SPDM CMOS technology.

REFERENCES:
J.R. Yuan and C.Svensson. "Fast CMOS Nonbinary Divider and Counter" Electronics Letters. vol. 29. Jun. 1993.
Jiren Yuan and C.Svensson. "High-speed CMOS Circuit Technique". IEEE JSSC. pp.62-70, Feb. 1989.
"Efficient CMOS Counter Circuits". Electronics Letters. vol. 24, No. 21. Oct. 1988.

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