参数资料
型号: TA1310ANG
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-56
文件页数: 49/106页
文件大小: 2686K
代理商: TA1310ANG
TA1310ANG
2005-09-20
47
Chroma stage
(#16 VCC = 9 V, #37 VCC = 9 V, #51 VCC = 5 V, Ta = 25 ± 3°C)
SW MODE
NOTE
ITEM
SW45 SW46
MEASUREMENT METHOD
C1
ACC Characteristics
B
ON
1)
Input a rainbow signal (signal C-1) to the chroma input pin (TP45).Burst : chroma = 1 : 1
2)
When the chroma input amplitude levels are set to 10, 30, 300, and 600 mVp-p, measure the output
amplitudes va10, va30, va300, and va600 of the R-Y output pin (TP48).
3)
Calculate A = va30 / va600.
C2
Color Difference Output
Level
B
ON
1)
Input a rainbow signal (signal C-1) to the chroma input pin (TP45).
Burst : chroma = 300 mVp-p : 300 mVp-p
2)
Change the burst phase so that bar 2 of the B-Y output pin (TP47) output waveform is the bottom peak
and bar 7 is the top peak.
3)
Measure the amplitude (vB) of the B-Y output pin (TP47).
4)
Set the burst phase to 180°.
5)
Measure the amplitude (vR) of the R-Y output pin (TP48)
C3
Color Difference Output
Relative Amplitude
B
ON
1)
Calculate the relative amplitude vRB from the following formula using the values obtained in steps 3) and
5) of C2 above.
vRB = vR / vB
C4
Color Difference Output
Demodulation Angle
B
ON
1)
Input a rainbow signal (C-1) to the chroma input pin (TP45).
Burst : chroma = 200 mVp-p : 200 mVp-p
2)
Calculate the demodulation angles θBcnt and θRcnt of the B-Y output pin (TP47) and the R-Y output pin
(TP48) using the formulas and diagram below.
C5
Color Difference Output
Relative Phase
B
ON
Calculate the relative phase θRB from the following formula using the values obtained in C4 above.
θRB = θRcnt θBcnt
Note 1: Where the bus data are not specified, set the preset values.
Note 2: Ensure the sync signal is always input to TP38 (SYNC IN).
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