Collins 136B-2 Noise Blanker Accessory For the KWM-2(A) Transceiver

The 136B-2 Noise Blanker was designed for use with the KWM-2(A) under mobile operating conditions.  This noise blanker provides effective reduction of impulse-type noise.  It differs from simple audio clipping circuits or series-type limiters by silencing ahead of the selective side-band filters.

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