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TA1276AFG Datasheet(PDF) 11 Page - Toshiba Semiconductor |
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TA1276AFG Datasheet(HTML) 11 Page - Toshiba Semiconductor |
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11 / 83 page  TA1276AFG 2002-04-01 11 Pin No. Pin Name Function Interface Circuit Input/Output Signal 58 APC filter Connect APC filter demodulating the chroma. The oscillation frequency of VCXO varies depending on the voltage at this pin. DC 60 NC None connect PIN. These pins connect to GND. 62 61 59 4.43 MHz X’tal M PAL X’tal 3.58 MHz X’tal Connect X’tal. In the case of series capacity, the oscillation frequency (f0) can be changed. In the case of parallel capacity, the changeable range of frequency can be changed. DC 4.0 V 90 mVp-p 63 1H DL control Outputs the result of whether the signal is PAL, SECAM or NTSC. Connect the output to the 1H DL IC. In the case of discrimination between white or black, the voltage just before that is retained. The voltage immediately after turning-on is not fixed. 8.4 V: PAL 4.3 V: SECAM 0 V: NTSC 64 V/I output Outputs R-Y (V) or Q signal. It includes LPF that can remove carrier. The chroma signal that routed ACC and TOF circuits (before demo input) can be monitored by pulling up this pin at 10 k Ω. DC 2.5 V Rainbow color bar : 360 mVp-p 57 58 3 k Ω 1 k Ω 57 500 Ω 62 61 59 R Pin 62 1.5 k Ω Pin 61 2.5 k Ω Pin 59 2.5 k Ω 42 63 500 Ω 57 64 |
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