Tektronix VITS 200 Instruction Manual page 123

Performance Verification
5–8
v. Press Store (1) Reference soft key.
4. Reference Diff Phase and Diff Gain
a. Store the NTC7 reference Diff Phase + Gain signal on the VM700A.
i. Press Measure.
ii. Press DGDP soft key (on screen).
iii. Press Average and Menu.
iv. Press Reference soft key.
v. Press Store (1) Reference soft key.
5. Reference Signal to Noise
a. Press Waveform on the VM700A.
b. Press Black Burst from the TSG–170D 100/10 button.
c. Store the Black Burst reference Noise Spectrum signal on the VM700A.
i. Press Measure.
ii. Press NOISE SPECTRUM soft key (on screen).
iii. Press Average and Menu.
iv. Press Filters Selection.
v. Press Low Pass 5.0 MHz.
vi. Press Menu.
vii. Press Reference soft key.
viii.Press Store (1) Reference soft key.
6. Line Input Range
REQUIREMENT — Stable operation over an AC input range of 90–250 V.
a. CHECK – for stable instrument operation while varying the autotrans-
former over the 90–250 V range.
VITS 200