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| YOUDA INTEGRATED CIRCUIT YD1191 SINGLE-CHIP FM/AM RADIO IC--YD1191 DESCRIPTION The YD1191 is a one-chip FM/AM radio IC designed for radio-cassette tape recorders. FEATURES *Small number of peripheral components. *Low current consumption (Vcc=3V) For FM:ID=5.3mA (Typ.) For AM:ID=3.4mA (Typ.) *Built-in FM/AM select switch. *Built-in RF AGC, IF AGC circuit. *Tuning LED driver. *Large output of AF amplifier. Vcc=6V,EIAJ output=500mW (Typ.) When load impedance 8 BLOCK DIAGRAM 28 27 26 25 24 23 22 21 20 19 TUNING METER 18 17 16 15 AM IF DET AGC AF Power AMP AM RF AMP FM DISCRIMINATOR FM FE 1 2 3 4 5 6 7 8 9 FM IF AMP 10 11 12 13 14 WuXi YouDa Electronics Co., Ltd Tel: Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com SHENZHEN OFFICE Tel 86-755-83740369 Fax 86-755-83741418 Ver 5.0 1 of 4 2006-6-20 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Storage Temperature (Tamb=25) VALUE 9 700 -10+70 -50+125 YD1191 SYMBOL Vcc PD Topr Tstg UNIT V mW ELECTRICAL CHARACTERISTICS PARAMETER Quiescent Current FM: Front End Voltage Gain Detection Output IF Knee Level DetectionOutput Distortion Factor FM Meter Current AM: Front End Voltage Gain IF Voltage Gain Detector Output Meter Current Detection Output Distortion Factor Audio Voltage Gain Audio Distortion Factor Av2 VSEN2 VD2 IB2 THD2 Av3 AV1 VD1 VSEN1 THD1 IBI SYMBOL Iccq (Tamb=25, VCC=6VUnless otherwise specified) MIN TYP 3.5 7.0 MAX 10.0 14.0 UNIT mA TEST CONDITIONS AM, Vin=0 FM, Vin=0 Vin1=40dBV/100MHz Vin1=90dBV/10.7MHz (1kHz,22.5kHz DEV) Vin3=level at a point 3dB down Vin1=90dBV/10.7MHz (1KHz, 75kHz DEV Vin3=60dBV/10.7MHz 32 39 39 77.5 24 0.3 46 155 32 2.0 7.0 dB mV dBV % mA 1.8 3.5 Vin2=80dBV/1660kHz 455kHz(kHz 30% MOD), output is -3.4dBm Vin3=85dBV/455kHz (1kHz, 30%MOd) Vin3=85dBV/455kHz (kHz, 30%MOD) Vin2=95dBV/1660kHz (1kHz, 30%MOD), Vcc=7.8V Vin3=60dBV/10.7MHz Vin4=30dBm/1kHz Vin3=60dBV/10.7MHz Vin4=-20dBm/1kHz Output is 50mW Vin3=0dBV/10.7MHz Vin4=-20dBm/1kHz Output is 50mW 2 of 4 15 14 39 1.3 22 20 77.5 3.0 0.6 29 27 155 7.0 2.0 36 dB dB mV mA % dB 27 31.5 THD3 0.3 2.5 % Muting Level Av4 8 15 22 dB WuXi YouDa Electronics Co., Ltd Website: www.e-youda.com BATT R6 C10 0.01F R5 330 R4 C11 100pF 15 AM SW1FM 2.2K 1k SW2 APPLICATION CIRCUIT WuXi YouDa Electronics Co., Ltd C17 10F C12 10F C14 10F C18 470F C13 4.7F + + + + + + C16 0.022F C15 0.47F CF1 T1 22 21 20 19 18 17 16 26 25 24 23 EPJ C20 0.1F C21 220F YOUDA INTEGRATED CIRCUIT 0.1F + C19 28 27 3 of 4 YD1191 3 5 R4 C7 100k 1pF L4 L3 C3 22pF C2 18pF C4 6pF L2 C1 2pF L1 7 + C8 4.7F 4 6 8 9 10 11 12 13 + 14 C5 10F C6 0.01F BPF ANT 1 2 C22 10 k R2 Website: www.e-youda.com 50k RV1 0.01F R3 CF3 150 YD1191 YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING YD1191 WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com |
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