Input A Trigger Sensitivity Test Points - Fluke 199B Service Manual

Fluke 19xB-19xC-2x5C
Service Manual
3. Using
4. Set the 5500A to source the leveled sine wave for the appropriate test tool model.
5. Adjust the 5500A output voltage until the displayed trace has the trigger amplitude
6. Verify that the signal is well triggered.
7. Continue through the test points.
8. When you are finished, set the 5500A to Standby.
UUT
Model
ALL
192B-C
196B-C, 215C
199B-C, 225C
4-18
•
Using and
ranging, and lock the Input A sensitivity range on 2 V/div.
select the time base indicated under the second column of Table 4-8.
indicated under the last column of Table 4-8.
If it is not, press
Trigger Level adjustment. Adjust the trigger level and verify that the signal will be
triggered now. The trigger level is indicated by the trigger icon ( ).
Table 4-8. Input A Trigger Sensitivity Test Points
UUT
Time base
200 ns/div
10 ns/div
10 ns/div
10 ns/div
10 ns/div
10 ns/div
10 ns/div
change the sensitivity range to select manual sensitivity
, then using enable the up/down arrow keys for manual
5500A SC... MODE levsin
Initial Input Voltage
100 mV pp
400 mV pp
800 mV pp
400 mV pp
800 mV pp
400 mV pp
800 mV pp
Frequency Trigger Amplitude
5 MHz
60 MHz
100 MHz
100 MHz
150 MHz
200 MHz
250 MHz
UUT
0.5 div
1 div
2 div
1 div
2 div
1 div
2 div