TB 9-6625-154-40
(6) Adjust the storage oscilloscope for a full scale rise time display.
(7) Storage oscilloscope mean display will indicate within the storage oscilloscope
limits of table 26. If not, perform b below.
(8) The difference between the measured value and the TI displayed value will be
within TI Display limits listed in table 26. If not, perform b below.
(9) Press the Softkey,
and repeat technique of (6) through (8) above for remaining
Table 26. Model 9550 Edge Rise/Fall Time Accuracy.
TI
Storage oscilloscope
TI Display
Rise/Fall
Edge
Output
Lower Limit
Upper Limit
Limit
(ps)
Type
(V p-p)
(ps)
(ps)
(ps)
25
Pos
500 m
7.048676929
42.95132307
4
25
Neg
500 m
7.048676929
42.95132307
4
(10) Set TI output to OFF and disconnect storage oscilloscope.
b. Adjustments
NOTE
Ensure the 9500B rear-panel CAL ENABLE/DISABLE switch
is in the ENABLE position and return to original position
when complete.
(1) Connect TI output to storage oscilloscope input.
(2) Connect TI CH5 output to storage oscilloscope trigger input.
(3) Set storage oscilloscope as listed in (a) through (d) below:
(a)
Amplitude 100 mV/div.
(b)
Measure rise time.
(c)
Bandwidth to full (20 GHz).
(d)
Averaging to 256 averages.
(4) Set TI as listed in (a) through (f) below:
(a)
MODE.
(b)
Softkey, MANUAL.
(c)
(Edge).
(d)
Softkey,
FAST.
(e)
Softkey,
25 ps.
(f)
Softkey, / 1.0 (select 1.0).
(5) Set TI CH 5 (Trigger channel) output as listed in (a) through (g) below:
(a)
Softkey, CHANNEL SELECT.
(b)
Select the desired input channel.
(b)
Softkey, TRIGGER CHANNEL.
(c)
Softkey, TRIGGER CHANNEL 5.
(d)
Softkey, CABLE SELECT.
(e)
Softkey, CABLE CH 5.
(f)
Softkey, EXIT.
(g)
Softkey, EXIT.
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