HA12181FP - AM Radio Noise Reduction

Product Overview

Hitachi Semiconductor

Datasheet Details

Part number	HA12181FP
Manufacturer	Hitachi Semiconductor
File Size	147.80 KB
Description	AM Radio Noise Reduction
Datasheet	HA12181FP Datasheet
Additional preview pages of the HA12181FP datasheet.

Product details

Description

and External Parts External parts DC voltage (V) (No Function input) Equivalent circuit 2.7 Influence of External parts Smaller than recommended value Longer distortion of recover.No.of pin Name 1 No.R500 C502 Larger than recom- recommended mended value value 100 K 3.3 µ Longer time to stabilize AGC.IF AGC Time constant for IF AGC.1 R500 100k C502 3.3µ + 2 Bias1 Bypass for voltage Stabi.Input of AF.3.2 2 C500 0.033µ C500 0.033 µ Increased noise.

Features

High noise cancelling capacity: 46 dB typ.
Less gain loss: GV =.
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 HA12181FP Block Diagram R500 100 k IF AGC + C502 0.01µ 3.3µ Det. 1 14 C503 C504 0.22µ R502 22 k 12 15 R505 47 k AF AGC Rev.2, Jun. 1997, page 2 of 21 IF AGC OR HPF1 LPF Pulse De.

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Published: Mar 22, 2005 |