TB 9-6625-2099-24
14. Risetime
a. Performance Check
(1) Set DISPLAY MODE switch to CH 1.
(2) Set CH 1 VOLTS/DIV switch as listed in first row of table 11.
(3) Connect oscilloscope calibrator CHAN 1 to TI CH 1 using a 50
feedthrough
fermination and connect oscilloscope calibrator CHAN 2 to TI CH 2 using a 50
t
eedthrough termination.
(4) Set oscilloscope calibrator EDGE output frequency as listed in first row of table 11.
(5) Adjust oscilloscope calibrator output controls for divisions as listed in table 11
for oscilloscope display divisions.
(6) Adjust TI CH 1 POSITION, and TI time base controls to view waveform. If
Table 11. CH 1 Aberrations
Test
Test instrument aberrations
instrument
Oscilloscope calibrator
limits
VOLTS/DIV
EDGE
Test
Test
( 4 % and 6% pk-pk) of
switch
output
instrument
instrument
pulse amplitude
settings
aberration
display
Pass
Fail
(mV)
(MHz)
(mV)
adjustments
divisions
b(l)
10
50
1
5
(7) Set DISPLAY MODE switch to CH 2.
(8) Set CH 2 VOLTS/DIV switch as listed in table 12.
(9) Press oscilloscope calibrator CHANNEL pushbutton. Next press blue soft
pushbutton located below CHAN2 on oscilloscope calibrator when SELECT CHANNEL is
displayed.
f
(10) Ensure oscilloscope calibrator CHAN 2 is connected to TI CH 2 using a 50
eedthrough termination.
(11) Set oscilloscope calibrator EDGE output frequency to listed in table 12.
(12) Adjust oscilloscope calibrator output controls for divisions as listed in table 12
for oscilloscope display divisions.
(13) Adjust TI CH 2 POSITION, and TI time base controls to view waveform. If
Table 12. CH 2 Aberrations
Test
Test instrument aberrations
instrument
Oscilloscope calibrator
limits
VOLTS/DIV
EDGE
Test
Test
( 4 % and 6% pk-pk) of
switch
output
instrument
instrument
pulse amplitude
settings
display
aberration
Yes
No
(mV)
divisions
adjustments
(mV)
(MHz)
b(2)
10
50
1
5