3845 Datasheet (Allegro MicroSystems)

3845, AM NOISE BLANKER

Previous attempts at suppression of impulse noise in AM receivers have used a variety of approaches ranging from gating the signal OFF at the antenna to simply clipping (limiting) any signal that was larger than the average modulation.

Unfortunately, the former can generate as much noise as it remov

3845 Features

* I I I I I I I RF Blanking to 30 MHz Single-Channel or Stereo Audio Blanking Adjustable RF and Audio Blanking Time Adjustable Audio Blanking Delay Sample-and-Hold MOS Audio Gates Internal Voltage Regulation Minimum External Components AM and AM-Stereo Automotive Radios CB Transmitter/Receivers Short-