adv7344 Analog Devices, Inc., adv7344 Datasheet - Page 84
adv7344
Manufacturer Part Number
adv7344
Description
Multiformat Video Encoder Six 14-bit Noise Shaped Video Dacs
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADV7344.pdf
(88 pages)
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ADV7344
SD OUTPUT PLOTS
NOISE REDUCTION: 15.05dB
APL NEEDS SYNC SOURCE.
525 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72µs
NOISE REDUCTION: 15.05dB
APL = 44.3%
525 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00V AT 6.72µs
VOLTS IRE:FLT
VOLTS
–0.2
APL = 44.5%
525 LINE NTSC
SLOW CLAMP TO 0.00V AT 6.72µs
–0.2
–0.4
VOLTS IRE:FLT
0.6
0.4
0.2
0.4
0.2
0
0
0
0.5
0
0
0
IRE:FLT
–50
50
50
0
0
0
100
–50
10
10
50
0
10
F1
L76
F2
L238
F1
L76
Figure 128. NTSC Color Bars (75%)
20
20
Figure 130. NTSC Chroma
20
Figure 129. NTSC Luma
MICROSECONDS
MICROSECONDS
MICROSECONDS
30
30
PRECISION MODE OFF
30
PRECISION MODE OFF
PRECISION MODE OFF
SYNCHRONOUS SYNC = SOURCE
SYNCHRONOUS SYNC = A
40
40
SYNCHRONOUS SYNC = B
40
FRAMES SELECTED 1, 2
FRAMES SELECTED 1, 2
FRAMES SELECTED 1, 2
50
50
50
60
60
60
Rev. 0 | Page 84 of 88
APL NEEDS SYNC SOURCE.
625 LINE PAL NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72µs
NOISE REDUCTION: 0.00dB
APL = 39.1%
625 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72µs
VOLTS
APL NEEDS SYNC SOURCE.
625 LINE PAL NO FILTERING
SLOW CLAMP TO 0.00 AT 6.72µs
VOLTS
VOLTS
0
–0.2
–0.5
0.5
0.6
0.4
0.2
0.5
0
0
0
0
0
10
10
10
L575
L608
L575
20
20
Figure 131. PAL Color Bars (75%)
MICROSECONDS
20
MICROSECONDS
MICROSECONDS
Figure 133. PAL Chroma
Figure 132. PAL Luma
30
30
NO BUNCH SIGNAL
NO BUNCH SIGNAL
PRECISION MODE OFF
PRECISION MODE OFF
PRECISION MODE OFF
30
SYNCHRONOUS SOUND-IN-SYNC OFF
40
SYNCHRONOUS SOUND-IN-SYNC OFF
SYNCHRONOUS SOUND-IN-SYNC OFF
FRAMES SELECTED 1, 2, 3, 4
FRAMES SELECTED 1
FRAMES SELECTED 1
40
40
50
50
60
50
60
70
60
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