TA7678 LINEAR INTEGRATED CIRCUIT VIDEO AND SOUND IF AMPLIFIER FOR MONOCHROME TV RECEIVERS 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 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://www.
contek-ic.
com E-mail:sales@contek-ic.
com 1 TA7678...

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