Tektronix VITS 200 Instruction Manual page 133

Performance Verification
Test Signal Checks
5–18
18. Chroma-to-Luminance Gain and Delay
REQUIREMENT — Gain: "0.5%. Delay: v5 ns.
a. Select Relative to Ref C–L Gain + Delay on the VM700A.
i. Select Measure.
ii. Select ChromLum Gain Delay soft key (on screen).
b. CHECK – that the Chroma Gain is 100.0 "0.5%.
c. CHECK – that the Chroma Delay is v5 ns.
19. Differential Phase and Gain
REQUIREMENT — Differential Phase: v0.3 . Differential Gain v0.3%.
a. Select Relative to Ref Diff Phase + Gain on the VM700A.
i. Select Measure.
ii. Select DGDP soft key (on screen).
b. CHECK – that the Differential Gain is v0.3%.
c. CHECK – that the Differential Phase is v0.3 .
20. Signal-to-Noise
REQUIREMENT — u70 dB.
a. Select Waveform on the VM700A.
b. Select Black Burst from the TSG–170D 100/10 button.
c. Select Noise Spectrum on the VM700A.
i. Select Measure.
ii. Select NOISE SPECTRUM soft key (on screen).
d. CHECK – that the Noise Level number is > 70 dB.
21. Repeat steps 17 through 20 for External Channels 2, 3, and 4.
VITS 200