A polymorphic 15GHz/mW inductorless frequency prescaler using implication logic in 0.13μm CMOS

This paper describes a power-efficient frequency prescaler operating at maximum frequency of 12.3GHz without using inductors. A novel logic concept and reconfigurable technique is presented to achieve two division factors by using just one single-phase clock flip-flop. The prescaler is implemented in 0.13μm CMOS technology. It occupies 14×12μm² and consumes 817μW at maximum frequency. Experimental results indicate a power efficient and compact frequency divider working in wide frequency range from 5GHz to 12.3GHz.