Datasheet

ADV7170/ADV7171
Rev. C | Page 57 of 64
NOISE SPECTRUM (NTSC)
FIELD = 2 LINE = 64
AMPLITUDE (0dB = 714mV p-p)
BANDWIDTH 100kHz TO FULL
WFM → PEDESTAL
NOISE LEVEL = –80.1dB RMS
–5.0
–10.0
–15.0
–20.0
–25.0
–30.0
–35.0
–40.0
–45.0
–50.0
–55.0
–60.0
–65.0
–70.0
–75.0
–80.0
–85.0
–90.0
–95.0
–100.0
1.0 2.0 3.0 4.0 5.0 6.0
(MHz)
00221-095
Figure 95. NTSC SNR Pedestal Measurement
NOISE SPECTRUM (NTSC)
FIELD = 2 LINE = 64
AMPLITUDE (0dB = 714mV p-p)
BANDWIDTH 10kHz TO FULL (TILT NULL)
WFM → RAMP SIGNAL
NOISE LEVEL = –61.7dB RMS
–5.0
–10.0
–15.0
–20.0
–25.0
–30.0
–35.0
–40.0
–45.0
–50.0
–55.0
–60.0
–65.0
–70.0
–75.0
–80.0
–85.0
–90.0
–95.0
–
100.0
1.0 2.0 3.0 4.0 5.0
(MHz)
00221-096
Figure 96. NTSC SNR Ramp Measurement