YD3361

m o YOUDA INTEGRATED YD3361 .c CIRCUIT U 4 t e e h POWER NARROW BAND IF AMPLIFIER LOW S a t a —YD3361 D . DESCRIPTION w w The YD3361 includes an Oscillator, Mixer, Limiting Amplifier, Quadrature Discriminator, Active Filter, Squelch, wScan Control ND mute Switch. This device is designed for use in FM dual conversion communications equipment. FEATURES *Operates from 2.0 to 8.0 V supply. *Low drain current 3.9 mA Typical (VCC=4.0 Vdc). *Excellent sensitivity: input limiting voltage –3.0 Db =2.6¦Ì *Low number of external parts required. *Operating frequency up to 60 MHz. BLOCK DIAGRAM 16 m o .c U 4 t e e h WuXi YouDa Electronics Co., Ltd S China a Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu at www.e-youda.com Tel: 86-510-5205117 86-510-5205108 Fax: 86-510-5205110 Website: .D SHENZHEN OFFICE Tel£º 86-755-83740369 13823533350 Fax£ º 86-755-83741418 w Ver 3.1 1 of 5 2004-9-20 w w m o .c U 4 t e e h S a t a .D w w w V typical. 15 14 13 12 11 10 9 GND + Squelch Trigger with Hysteresis Mixer Filter Amp AF Amp Limiter Amp Demodulator Oscillator 1 2 3 Vcc 4 5 6 7 8 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS(Tamb=25¡æ PARAMETERS Power Supply Voltage Input Voltage(Vcc¡Ý Mute Function Detector Input Voltage Junction Temperature Power Dissipation Operating Temperature Storage Temperature 4.0V) SYMBOL VCC V15 V14 V8 Tj PD Topr Tstg -65¡« ) VALUE 10 1.0 -0.5¡« 1.0 150 ¡æ 1.5 -20¡« +70 +150 ¡æ ¡æ 5.0 YD3361 UNIT V V V V W ELECTRICAL CHARACTERI...