[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