UTC PC1366 LINEAR INTEGRATED CIRCUIT B/W TV VIF PROCESSING CIRCUIT DESCRIPTION UTC PC1366 is designed for B/W TV VIF processing purpose. It includes VIF amplifier，video low level detector RF AGC, IF AGC and noise reduction circuit. FEATURES *High input sensitivity Typ.30dBµ. *Key and peak controllable AGC. *Operating voltage down to 7V. *Wide video bandwidth suitable for modulation IF of 4.5, 5.5,6.0,6.5 MHZ. *Differential input implied with easy used with SAW *Low external part count. DIP-14H BLOCK DIAGRAM Rf?AGC voltage regulator RF?AGC to tuner 5 6 AGC Key time control constant pulse input 4 2 RF AGC IF AGC IF power Vcc 12 7 Noise reduction 9 10 3 Video output Low level detector IF amplifier 8 Video output 11 1 14 13 GND Cap saw filter Video IF input UTC Detector coil UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R111-003,A UTC PC1366 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUN RATING(Ta=25°C) SYMBOL VALUE Supply Voltage PARAMETER VCC 15 V Output Current IP-P 3 VP-P Power Dissipation UNIT PD 875(Ta=75°C)With heat sink W Operating Temperature TOPR -20 ~ +70 °C Storage Temperature TSTG -40 ~ +125 °C ELECTRICAL CHARACTERISTICS(Ta=25°C,VCC=12V,fP=38MHZ,fm=400HZ) SYMBOL TEST CONDITIONS MIN TYP MAX Total Supply Current PARAMETER ICC I7+I12,RA=150Ω 40 50 60 UNIT mA Input Sensitivity SVI Modulation=80%, 30 35 dB µ VI(MAX) Modulation=80%,-1dB 100 VO Modulation=80%,VI=3mVrms 1.0 1.4 1.7 VP-P 4.3 VO=1.4VP-P Max Input Voltage Video Output Voltage Video Output DC Voltage dBµ VO(DC) No signal 3.3 3.8 S/N Ratio S/N Modulation=80%-0%, 40 50 V RF AGC Voltage(Hi) V6H V5=0V RF AGC Voltage(Lo) V6L V5=7V Differential Gain D.G. Step signal,fM=4.43MHZ 10 % Differential Phase D.P. Step signal,fM=4.43MHZ 10 deg GV(F) -3dB point dB VI=3mVrms Video Detector Bandwidth 8 9 11 V 0 0.5 V 5.5 MHZ Input Impedance RIN 1.5 KΩ Input Capacitance CIN 3.3 pF UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R111-003,A UTC PC1366 LINEAR INTEGRATED CIRCUIT 7 6 5 0.22 µF Video output 4 2 1 Noise reduction Low level detector 0.01 µF 0.01 µF 820Ω 220Ω +B 12V Audio IF output 12pF 20kΩ RF?AGC voltage ( to tuner ) 20kΩ APPLICATION CIRCUIT 3 11 12 13 Detector coil 14 47 µF 0.01 µF 222 µF 10 0.01 µF 9 0.01 µF 8 Video Amplifier 22pF 222 µF IF amplifier 222 µF saw filter 120Ω 1.5kΩ Input IF AGC 680Ω RF AGC 180Ω 6.8kΩ 56Ω 150Ω Note(Pin 2 GND to have peak AGC) TEST CIRCUIT Vcc 12V A 1kΩ B 5 6 B A IDS 100Ω 47 µF 0.01 µF 150Ω 47µF 0.01 µF A B 6.8k Ω A AGC 10kΩ 0.01µF V SW3 0.01µF 470k Ω 0.22 µF 4 2 12 7 3 14 13 1kΩ M Video output UTC PC1366 38MHz UTC 11 1 0.01µF 10 0.01µF 9 0.01µF 0.01µF 8 600Ω 22pF Detector coil UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R111-003,A UTC PC1366 LINEAR INTEGRATED CIRCUIT TYPICAL PERFORMANCE CHARACTERISTICS Video detector output attenuation vs frequency Video detector output attenuation ATT (dB) Input sensitivity i(sense)(dBu) Input sensitivity curve 80 fp=38MHz,fm=400MHz MOD=80%,Ra=150Ω 70 60 50 40 30 20 10 0 0 5 10 15 20 0 fp=38MHz MOD=40% Vi=3mVrms -5 -10 -15 0.01 0.1 1.0 Power supply voltage(Vcc) 100.0 Video detector output vs power supply voltage S/N vs input voltage 2.0 fp=38MHz,fm=400MHz MOD=80%-0%, Vi=3mVrms, Ra=150Ω 20 30 40 50 Video detector output voltage(Vp-p) 10 S/N ratio(dB) 10.0 Frequency (MHz) fp=38MHz,fm=400MHz MOD=80%,Ra=150Ω 1.6 1.2 0.8 0.4 0 60 0 20 40 60 80 100 Input voltage Vi(dBu) 0 4 8 12 16 20 Power supply voltage Vcc(V) UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R111-003,A