This noise blanker integrated circuit contains all of the necessary circuitry for adding an extremely efficient (patented) noise-blanking technique to any type of AM tuner or receiver with RF input frequencies (or a first IF) to 30 MHz. The A3845ELW and A3845SLW feature dual audio channels and are intended for AM-stereo or independent sideband applications.

FEATURES

■ 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

APPLICATIONS

■ AM and AM-Stereo Automotive Radios

■ CB Transmitter/Receivers

■ Short-Wave Receivers

■ Mobile Communications Equipment