ADV7194_15 Datasheet, PDF (67/69 Pages) Analog Devices – Video Encoder with 54 MHz Oversampling

ADV7194
NOISE SPECTRUM (NTSC)
FIELD = 2, LINE = 223
AMPLITUDE (0dB = 714mV p-p)
BANDWIDTH 10kHz TO FULL
20
WFM
PEDESTAL
NOISE LEVEL = –79.7dB RMS
0
–20
–40
–60
–80
–100
1
2
3
4
5
6
MHz
Figure 143. NTSC Noise Spectrum: Pedestal
NOISE SPECTRUM (PAL)
LINE = 511
AMPLITUDE (0dB = 700mV p-p)
BANDWIDTH 10kHz TO FULL
0
WFM
PEDESTAL
NOISE LEVEL = –79.1dB RMS
–20
–40
–60
–80
–100
1
2
3
4
5
6
7
MHz
Figure 145. PAL Noise Spectrum: Pedestal
NOISE SPECTRUM (NTSC)
FIELD = 2, LINE = 217
AMPLITUDE (0dB = 714mV p-p)
BANDWIDTH 100kHz TO FULL (TILT NULL)
WFM
RAMP
NOISE LEVEL = –63.1dB RMS
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
1
2
3
4
5
6
MHz
Figure 144. NTSC Noise Spectrum: Ramp
NOISE SPECTRUM (PAL)
LINE = 572
AMPLITUDE (0dB = 700mV p-p)
BANDWIDTH 100kHz TO FULL (TILT NULL)
WFM
RAMP
NOISE LEVEL = –62.3dB RMS
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
1
2
3
4
5
6
7
MHz
Figure 146. PAL Noise Spectrum: Ramp
REV. A
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