AlGaAs/GaAs HBT dynamic frequency divider constructed of a single d type flip-flop

Abstract
A new dynamic frequency divider circuit operated by a single D-type flip-flop was designed and fabricated utilising AlGaAs/GaAs heterojunction bipolar transistors (HBTs). The circuit was constructed as a divide-by-four circuit combined with a static divide-by-two circuit for a second stage. A toggle frequency range from 18 to 26.5 GHz was obtained for a total power dissipation of 315 mW at a power supply voltage of 7 V.

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