HA12181FP Datasheet, PDF (1/21 Pages) Hitachi Semiconductor – AM Radio Noise Reduction System

HA12181FP
AM Radio Noise Reduction System
ADE-207-171A (Z)
2nd. Edition
June 1997
Functions
• Buffer amp. for audio
• Linear approximate circuit for noise reduction
• IF Amp., detector, audio amp. and AGC circuit for noise detection
• Gate pulse generator
Features
• High noise cancelling capacity: 46 dB typ.
• Less gain loss: G_V = –0.5 dB typ.
• Low total harmonic destortion and high signal-to noise ratio: THD = 0.06% typ., S/N = 75 dB typ.
• Operation supply voltage range: 7.0 V to 10 V (8.2 V typ.)
• Less external parts count