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The Contek TA7678 is a monolithic integrated circuit designedfor the VIF and SIF stage in B/W television receivers. TheUTC TA7678 is used for forward AGC Type.FEATUREVIF STAGE*High gain wide brand IF amplifier 50dB at 45MHz*Gain reducTIon with excellent stability: 55dB at 45MHz*Excellent DG/DP and S/N characterisTIcsSIF STAGE*Excellent limiter characterisTIcs*Excellent AM RejecTIon*Large undistorted audio output voltage with quadraturedetector
