Before revision: In the design of radio receivers, a noise blanker is a circuit intended to reduce the effect of certain kinds of radio noise on a received signal.
After revision: A Citizen's Band transceiver equipped with a noise blanker for the receiver, controlled by a button on the front panel (2nd from left)In the design of radio receivers, a noise blanker is a circuit intended to reduce the effect of certain kinds of radio noise on a received signal.