D2915

Silicore TV VIF & SIF & DEFLECTION SYSTEM (IC FOR TV LARGE INTEGRTION) GENERAL DESCRIPTION The D2915 is a monolithic all and O U T L I N E D R AW I N G D2915 integrated stages for circuit the containing V I F, SIF deflection functions of television receivers. FUNCTIONS z z z z z z z z z IF AMP Video Amp IF AGC Tuner AFT Sound DET. (FM DET.) Vertical trig. Vertical drive Horizontal drive Video DET. (AM DET.) z z z z z z Noise canceller Forward RF AGC SIF Amp Sync separation Vertical oscillation Horizontal oscillation Horizontal AFC z FEATURES z High integrator technology makes it possible the integration of video IF circuit, tuner AFC circuit, sound IF circuit and deflection-jungle circuit on one single chip. z z Supply voltage range : 8~12V (Typ. 10V). Operating Temperature: -20°C~+70°C SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 1/5 CHMC Silicore BLOCKDIAGRAM Over VTG. VERT VERT Protection Output Sawtooth 26 25 27 VERT OSC. 24 SYNC. SEP Output 23 D2915 HOR. FBP AFC HOR. Input GND Vcc1 Output OSC 22 21 20 19 18 HOR. Output 17 Vcc2 16 VERT DRIVE INPUT VIF ( 2 ) IF AMP. INPUT VIP ( 1 ) RF AGC IF AGC VERT OSC. VERT SEP. SYNC. SEP. HOR AFC HOR OSC HOR DRIVE 28 1 VIDEO DET Video DET(WIL(2)) 15 14 Video DET(WIL(1)) NOISE CANCELLER VIDEO AMP SIF AMP. FM DET. TUNER AFC 3 2 RF AGC RF AGC Delay Output ADJ. 4 IF AGC 5 Video Output 6 SYNC SEP. Input 8 7 SIF Input Bias Input 10 13 11 12 9 SIF SIF DET Sound Tuner Tuner Output Input Outpu...