[Contek]

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 50dB at 45MHz
* Gain reduction with excellent stability: 55dB at 45MHz
* Excellent DG/DP and S/N characteristics

SIF STAGE
* Excellent limiter characteristics
* Excellent AM Rejection
* Large undistorted audio output voltage with quadrature detector