TA7678
DESCRIPTION
The Contek TA7678 is a monolithic integrated circuit designed for the VIF and SIF stage in B/W television receivers. The UTC TA7678 is used for forward AGC Type.
FEATURE
VIF STAGE
- High gain wide brand IF amplifier 50d B at 45MHz
- Gain reduction with excellent stability: 55d B at 45MHz
- Excellent DG/DP and S/N characteristics
DIP-16
SIF STAGE
- Excellent limiter characteristics
- Excellent AM Rejection
- Large undistorted audio output voltage with detector quadrature
BLOCK DIAGRAM
Contek
Contek Microelectronics Co.,Ltd.
CONTEK http://.contek-ic. E-mail:sales@contek-ic.
PARAMETER
Supply Voltage Open Loop Voltage Video DC output current (note) Operating Temperature Storage Temperature Power dissipation
LINEAR INTEGRATED CIRCUIT
C)
ABSOLUTE MAXIMUM RATINGS (Ta=25
Vcc V4
SYMBOL
VALUE
15 15 6 -20 to +65 -55 to 155 1.4
UNIT
V V V C C W
V12 Topr Tstg PD
ELECTRICAL CHARACTERISTICS(Ta=25
PARAMETER
Remended Supply Voltage Quiescent circuit current Video DC output...
