This part is a kind of semiconductor called CD7343GS.

Function of this product has PLL FM Stereo Multiplex.

Manufacturers : HUAJING

Image and pinout :

Some of the text within the PDF file :

1. CD7343GS 2. 2. 1 VL ON = 9mV LED ILAMP=20mA( ) 200 ~700mV 3.5~12V Sep = 45dB ( ) VCO SIP9 24 1 CD7343GS 89 7 6 53 214061 14 0510-5807123-5506 http://www. crhj.com.cn 0510-5807123-3093 apply@crhj.com.cn 14 2. 2 1 INCOM 2 FIL1 3 VCC 4 VCO 5 GND 6 DPY 1 7 FIL2 8 OUTL 9 OUTR 3. 3. 1 Tamb= 25 25 3. 2 VCC VLAMP ILAMP PD Tamb Tstg 1 12 16 20 500 -30 ~ 75 -55 ~ 150 V V mA mW 4mW Tamb= 25 VCC = 8V f = 1kHz CD7343GS 2 ICCQ VIN = 0V 11 18 mA RIN 33 k RO 4.0 5.0 6.0 k L+R=90% L+R=90% VIMAX P=10% THD=1% 900 mV Sep V L+R =180mV VP=20mV 36 45 dB THD VIN = 200mV V L+R =180mV VP=20mV 0.08 0.3 0.08 % % 24 CD7343GS SCA 89 4. VL ON VL OFF 9 15 mV 26 AV VIN = 200mV -2.0 0 2.0 dB CB VIN = 200mV 0 1.5 dB VHY 3 mV CR VP=20mV 3% CL 19kHz V L+R =180mV 38kHz VP=20m [ ... ]

CD7343GS PDF Datasheet Download