TB 9-6625-2337-24
(4) Set oscilloscope to trigger on channel 1 and channel 2 measurement type to
rise time.
(5) Oscilloscope will indicate within limits listed in first row of table 28.
(6) Repeat technique of (3) through (5) above using remaining settings and limits
listed in table 28.
Table 28. Mode 4 Pretrigger Output Characteristics
TI
Oscilloscope
Test description
Settings
Measurement type
Minimum
Maximum
M4 PRETRIG RT
----------------------------------------
Rise
--------------------
100 ns
M4 PRETRIG FT
----------------------------------------
Fall
--------------------
200 ns
PRETRIG
----------------------------------------
Overshoot
--------------------
5%
Overshoot
0.6 s
1.0 s
PRETRIG
----------------------------------------
Width
0.8 s PW
PRETRIG 4.5V Lvl
----------------------------------------
Top
3.5 V
5.5 V
5.0 s
3.0 s
PRETRIG DELAY
----------------------------------------
Delta time
Channel 1 pulse to
channel 2 pulse
39.0 s
37.0 s
M4 PRETRIG
Use the arrow keys to highlight
Delta time
GENERAL MENUS
DELAY
Channel 1 pulse to
ENTR key
channel 2 pulse
5, ENTR (TIMING VIDEO
LEVELS)
Use the arrow keys to highlight
M4 PRETRIGGER:
38, ENTR
(7) Reduce all outputs to minimum and disconnect equipment setup.
b. Adjustments. No adjustments can be made.
16. Mode 4 GTC Trig Out
a. Performance Check
f
(1) Connect TI TRIGGER M4 PRE OUT to oscilloscope channel 1 using a 93
eedthrough termination.
(2) Connect TI TRIGGERS M4 GTC OUT to the oscilloscope channel 2 input using
a 75
feedthrough termination.
(3) Press TI FUNC, ENTR keys and wait for TI to complete reset.
(4) Set oscilloscope to trigger on channel 2 and channel 2 measurement type to
rise time.
(5) Oscilloscope will indicate within limits listed in first row of table 29.
(6) Repeat technique of (3) through (5) above using remaining setting and limits
listed in table 29.