Regeneration and amplification of fast pulses in the 50-IPS range have been established using GaAs MESFET's under switching conditions. Sharpening factors, t/sub r in/ / t/sub r out/,of 3 and voltage amplification factors of 2 at 50 Omega have been achieved for output pulses up to 100 mA. The sharpening effect is caused mainly by the voltage-dependent gate capacitance which varies with the input pulse amplitude.
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Beneking et al. (1976) studied this question.
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