器件名称:
AV2003
功能描述:
LINEAR INTEGRATED CIRCUIT
文件大小:
108.83KB 共6页
简 介:
@vic AV2003 AM/FM RADIO IC DESCRIPTION LINEAR INTEGRATED CIRCUIT The AVIC AV2003 is AM/FM Radio IC ( FM F/E + AM/FM IF ) which is designed for AM/FM Radios. FEATURES * FM IFT,AM IFT and FM Detector Coil aren’ t needed. * Operating Supply Voltage Range * VCC( opr ) = 1.8 ~ 7V ( Ta=25°C). SOP-16 DIP-16 BLOCK DIAGRAM Vcc AM FM 16 AM RF IN 15 FM RF OUT 14 FM/AM SW AM/ FM SW 13 FM OSC 12 AM OSC 11 DET OUT 10 QUAD 9 GND2 FM OSC AM OSC FM DET AM RF AM DET FM RF FM MIX AM MIX AGC AM IF FM IF 1 FM RF IN GND1 2 3 FM MIX 4 AM MIX AGC Vcc 5 6 7 AM IF IN 8 FM IF IN BPF QW-R110-011,A @vic AV2003 EXPLANATION OF TERMINAL NO SYMBOL LINEAR INTEGRATED CIRCUIT TERMINAL VOLTAGE : Typical DC voltage at Ta=25°C, Vcc=3V and no signal with Test Circuit CONTENTS INTERNAL CIRCUIT TERMINAL VOLTAGE AM FM RF OUT FM 0.7 1 FM AF IN Input of FM RF Amplifier 1 15 0 1K 50pf GND 2 2 3 GND1 FM MIX GND for RF, DSC and MIX Stage Output of FM MIX 14 0 AM / FM SW 0 1.7 0.4 3 GND1 2 FM RF OUT 15 4 AM MIX Output of AM MIX 1K 50pf 1 0.6 0 GND 2 FM RF OUT 15 5 AGC By pass of AM AGC 1K 50pf 1 0 0 GND 2 6 7 Vcc AM IF IN 15 FM RF OUT 3.0 3.0 3.0 3.0 Input of AM IF Amplifier 1K 50pf 1 GND 2 FM RF OUT 15 8 FM IF IN Input of FM IF Amplifier 1K 50pf 1 3.0 3.0 GND 2 9 GND2 GND for IF stage FM QUAD Detector Ceramic Discriminator is 1 FM RF OUT 15 0 0 Recommendation CDA 10.7MG31 (MURATA MFG. CO., LTD) GND 2 1K 50pf 10 QUAD……
