A very low power CMOS, 1.5 V, 2.5 GHz prescaler

A very low power and high speed prescaler was designed in 2.5 GHz frequency range. It works with 1.5 V power supply and dissipates about 1 mW. Implemented in 0.25 /spl mu/m standard CMOS technology, this prescaler can operate up to 3 GHz range.