Performance Tests
1–78
TDS 500D, TDS 600C, TDS 700D & TDS 714L Performance Verification and Specifications
h. Select 250 MHz from the side menu.
i. Press the main-menu Fine Scale.
j. Press HORIZONTAL MENU.
k. Press the main-menu Horiz Scale.
l. Use the keypad to set the horizontal scale to 200 ns (press 200, SHIFT,
n, then ENTER).
m. Use the Vertical Position knob to center the waveform on screen.
3. Check Jitter vs. Signal Amplitude
a. Set up equipment for Jitter Test. See Figure 1–25.
H Connect one of the rear panel composite outputs marked COMPST
on the TSG121 through a 75 W cable and a 75 W terminator to the
CH1 input of the oscilloscope.
H Press the 100% FIELD control (the fourth TSG121 front-panel
button from the left) of the PAL signal source.
PAL Signal
Source
Oscilloscope
75 W cable
75 W terminator
COMPST
Figure 1–25: Jitter test hookup
b. CHECK that the oscilloscope lights up its front panel TRIG’D LED and
it displays the waveform on screen. See Figure 1–26.
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