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Datasheet

ManualsBrandsLinear Technology ManualsDAC - Digital to AnalogVideo Encoder 10bit LFCSP-
81828384858687888990
Data Sheet ADV7390/ADV7391/ADV7392/ADV7393
Rev. J | Page 89 of 107
SD OUTPUT PLOTS
0.5
0
APL = 44.5%
525 LINE NTSC
SLOW CLAMP TO 0.00V AT 6.72µs
10 20
F1
L76
30 40 50 60
100
50
0
–50
0
VOLTS IRE:FLT
MICROSECONDS
PRECISION MODE OFF
SYNCHRONOUS SYNC = A
µ FRAMES SELECTED 1, 2
06234-130
Figure 132. NTSC Color Bars (75%)
0
NOISE REDUCTION: 15.05dB
APL = 44.3%
525 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00V AT 6.72µs
10 20 30 40 50 60
MICROSECONDS
PRECISION MODE OFF
SYNCHRONOUS SYNC = SOURCE
µ FRAMES SELECTED 1, 2
F2
L238
50
0
0
IRE:FLT
0.6
0.4
0.2
0
–0.2
VOLTS
06234-131
Figure 133. NTSC Luma
0
NOISE REDUCTION: 15.05dB
APL NEEDS SYNC SOURCE.
525 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72µs
10 20
F1
L76
30 40 50 60
50
–50
0
0.4
0.2
0
–0.2
–0.4
PRECISION MODE OFF
SYNCHRONOUS SYNC = B
FRAMES SELECTED 1, 2
VOLTS
IRE:FLT
MICROSECONDS
06234-132
Figure 134. NTSC Chroma
VOLTS
NOISE REDUCTION: 0.00dB
APL = 39.1%
625 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72µs
100 20
L608
30 40 50 60
0.4
0.2
0.6
0
–0.2
PRECISION MODE OFF
SYNCHRONOUS SOUND-IN-SYNC OFF
FRAMES SELECTED 1, 2, 3, 4
MICROSECONDS
06234-133
Figure 135. PAL Color Bars (75%)
VOLTS
APL NEEDS SYNC SOURCE.
625 LINE PAL NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72µs
100 20
L575
30 40 50 60
0
0.5
MICROSECONDS
70
NO BUNCH SIGNAL
PRECISION MODE OFF
SYNCHRONOUS SOUND-IN-SYNC OFF
FRAMES SELECTED 1
06234-134
Figure 136. PAL Luma
VOLTS
APL NEEDS SYNC SOURCE.
625 LINE PAL NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72µs
100 20
L575
30 40 50 60
0
0.5
–0.5
NO BUNCH SIGNAL
PRECISION MODE OFF
SYNCHRONOUS SOUND-IN-SYNC OFF
FRAMES SELECTED 1
MICROSECONDS
06234-135
Figure 137. PAL Chroma
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