Differentiator

4-3-320

Alternative term: Anti-clutter rain, Fast time constant (F.T.C.) (U.S.A.), Short time constant (S.T.C.) (G.B.)

A type of coupling circuit, with high pass frequency characteristics, used in radar receivers to permit discrimination against received pulses of duration longer than the transmitted pulse.

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

English