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TDA9106A Datasheet(PDF) 25 Page - STMicroelectronics |
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TDA9106A Datasheet(HTML) 25 Page - STMicroelectronics |
25 / 30 page The E/W parabola is available on Pin 31 by the way of an emitter follower which has to be biased by an external resistor (10k Ω). It can be DC coupledwith external circuitry. The output connection of the vertical Dynamic Fo- cus is the same as the E/W one. This reverse parabola is available on Pin 32. Dynamic Horizontal phase control current drives internally the H-position, moving the Hfly position on the Horizontal sawtooth in the range ± 2.8% Th both on SidePin Balance and Parallelogram. III.2 - EW EWOUT = 2.5V + K1 (VOUT -VDCOUT) 2 +K2(VOUT -VDCOUT) +K3(VOUT -VDCOUT) 2 |VOSC -VMID| +K4(VOUT -VDCOUT)|VOSC -VMID| VOSC is the ramp Pin 27 and VMID the middle of it, typically 3.5V K1 is adjustable by EW amplitude I 2C register K2 is adjustable by Keystone I 2C register K3 is adjustable by Cbow Corner I 2C register K4 is adjustable by Spin Corner I 2C register III.3 - Dynamic Horizontal Phase Control IOUT =K5 (VOUT -VDCOUT) 2 +K6 (VOUT -VDCOUT) K5 is adjustable by SidePin Balance I 2C register K6 is adjustable by Parallelogram I 2C register III.4 - Vertical Dynamic Focus VFOCOUT = 6V - 0.7 (VOUT -VDCOUT) 2 No adjustment is available for this part except by means of tracking. III.5 - Vertical Sawtooth Generator OPERATING DESCRIPTION (continued) 27 31 25 PARABOLA GENERATOR OSCILLATOR 38 OSC CAP DISCH. H/HVIN POLARITY SAMPLING SAMP. CAP Vlow Sawth. Disch. REF TRANSCONDUCTANCE AMPLIFIER CHARGE CURRENT 29 VERT_OUT VERT_AMP SUB05/7bits VS_AMP SUB07/6bits COR_C SUB08/6bits S CORRECTION C CORRECTION EW_AMP SUB09/6bits EW_OUT EW_CENT SUB0A/6bits SPB_AMP SUB0D/6bits SPB_OUT V_FOCUS 32 PARAL SUB0E/6bits CORNER Corner SUB0B/6bits Corner Balance SUB0C/6bits Internal Signal to PLL2 SYNC PROCESSOR 33 1 VSYNCIN S/G Figure 22 : Vertical Part Block Diagram TDA9106A 25/30 |
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