A 4.5-GHz GaAs dual-modulus prescalar IC

A description is given of a 4.5-GHz divide-by-256/258 dual-modulus prescalar with a reset function. The prescalar operates at a supply voltage of 3 V with a power dissipation of 100 mW. A low-power, source-coupled FET logic (LSCFL) using novel level-shift circuits and 0.5- mu m-gate buried p-layer SAINT FETs were used to achieve this performance. >