TB 9-6625-2332-40
Figure 5. Trigger level adjust.
15. Double Pulse
a. Performance Check
(1) Connect equipment as shown in figure 4.
(2) Press TI pushbuttons as listed in (a) through (m) below:
(a) CHANNEL A.
(b) Vhigh and enter 1.0 from data keyboard and press ENTER/Hz.
(c) Vlow and enter 0 from the data keyboard and press ENTER/Hz.
(d) Lead and enter .9 from data keyboard and press n/GHz.
(e) Trail and enter .9 from data keyboard and press n/GHz.
(f) Per and enter 300 from data keyboard and press n/GHz.
(g) Wid and enter 100 from data keyboard and press n/GHz.
(h) Double Off.
(i) Trigger Impedance 50.
Trigger Level 0.1.
(j)
(k) Trigger Slope positive.
(l) Trigger Mode single.
(m) Press DISABLE pushbutton (model 9211 output module) to on (red light
extinguished).
(3) Setup function/arbitrary generator for an output of 1.02 Vpp 1.5 MHz square
wave.
.
(4) Set oscilloscope Vertical 1 and Vertical 2 input impedance to 50
(5) Adjust oscilloscope controls to obtain a satisfactory dual two-channel display on
the crt.