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TA1270BFG Datasheet(PDF) 26 Page - Toshiba Semiconductor |
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TA1270BFG Datasheet(HTML) 26 Page - Toshiba Semiconductor |
26 / 39 page TA1270BFG 2005-08-18 26 (Unless otherwise specified, SYNC / SW VCC = 9 V, DAC / C VCC = 5 V, preset bus data, Ta = 25°C ± 3°C) TEST CONDITION SUB ADDRESS & DATA SW MODE NOTE CHARACTERISTIC 00 01 02 03 05 SW1 ― ― TEST METHOD C5 PAL Ident Sensitivity 80 80 or 81 80 80 80 A ― ― (1) Input 4.43 PAL signal 1 rainbow signal (Burst : chroma = 1 : 1) to the CHROMA input (Pin 6). (2) While monitoring the READ BUS “COLOR“, perform the following with BUS “P / N-ID“ data = 1 and 0. (3) Increase the amplitude of the input signal from 0 mVp-p and measure the amplitude at mode change to 4.43 PAL mode. (Normal (1) ; vPCL, High (0) ; vPCH) (4) Decrease the amplitude of the input signal from 100 mVp-p and measure the amplitude at mode change to 4.43 PAL mode. (Normal (1) ; vPBL, High (0) ; vPBH) C6 TOF Characteristics 80 83 80 81 or 83 80 A ― ― (1) Input fsc signal to the chroma input (Pin 6).(signal amplitude = 10 mVp-p, f01 = 3.579545 MHz,f02 = 4.433619 MHz) (2) Set sub address (01) data to (38h). With f01, set sub address (03) data to (81h) ; with f01, to (83h). Insert a 1.5 kΩ resistor between R-Y output (Pin 48) and VCC (5 V). Monitor R-Y output (Pin 48) and perform the following. (3) Measure the output amplitude with f0 and calculate the gain from the input. (f01 ; GFC3, f02 ; GFC4) (4) Measure the output amplitude with f0 ± 500 kHz and calculate the gain from the input. (f01 + 500 kHz ; GFH3, f01 − 500 kHz ; GFL3, f02 + 500 kHz ; GFH4, f02 − 500 kHz ; GFL4) |
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