CONTEK PC1366 Datasheet
PC1366 LINEAR INTEGRATED CIRCUIT
B/W TV VIF PROCESSING CIRCUIT
DESCRIPTION
Contek 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.30dB m.
*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.
BLOCK DIAGRAM
DIP-14H
Contek
Rf
RF AGC
to tuner
6 4 2 12 7
5
RF
AGC
IF amplifier
saw filter
Video IF
input
AGC
time
constant
Cap
IF
AGC
Key
control
pulse input
IF power
Noise
reduction
Low level
detector
Detector
coil
Vcc
Video
output
GND
Video
3
output
131 1410 118 9
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
1
PC1366 LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUN RATING(Ta=25 C)
PARAMETER SYMBOL VALUE UNIT
Supply Voltage VCC 15 V
Output Current IP-P 3 VP-P
Power Dissipation 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)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Total Supply Current ICC I7+I12,RA=150W 40 50 60 mA
Input Sensitivity SVI Modulation=80%,
VO=1.4VP-P
Max Input Voltage VI(MAX) Modulation=80%,-1dB 100 dBm
Video Output Voltage VO Modulation=80%,VI=3mVrms 1.0 1.4 1.7 VP-P
Video Output DC Voltage VO(DC) No signal 3.3 3.8 4.3 V
S/N Ratio S/N Modulation=80%-0%,
VI=3mVrms
RF AGC Voltage(Hi) V6H V5=0V 8 9 11 V
RF AGC Voltage(Lo) V6L V5=7V 0 0.5 V
Differential Gain D.G. Step signal,fM=4.43MHZ 10 %
Differential Phase D.P. Step signal,fM=4.43MHZ 10 deg
Video Detector Bandwidth GV(F) -3dB point 5.5 MHZ
Input Impedance RIN 1.5 KW
Input Capacitance CIN 3.3 pF
40 50 dB
30 35 dB m
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
2
Loading...