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An ultralow-power-consumption, high-speed, GaAs 256/258 dual-modulus prescaler IC

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6 Author(s)
Tadashi Maeda ; Optoelectron. & High Frequency Device Res. Labs., NEC Corp., Ibaraki, Japan ; Wada, S. ; Tokushima, M. ; Ishikawa, M.
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A GaAs divide-by-256/258 dual-modulus static prescaler is described. The prescaler has a pulse-swallow counter-type architecture and quasi-differential switch flip-flops as its basic circuit architecture. For the input buffer circuit, a circuit called a source-coupled push-pull circuit has been developed that can generate high-frequency complementary signals from a single-phase signal at a low supply voltage. This IC operates at up to 14.5 GHz with a power consumption of 22 mW. The power consumption is less than 1/50 of the previously reported prescalers that can operate above 10 GHz

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:34 ,  Issue: 2 )