Input C Ac Voltage Accuracy (Hf) And Bandwidth Test - Fluke ScopeMeter 190 II Series Service Manual

2. Reset the Test Tool to select the Test Tool setup.
C
3. Press
C
4. Press
line.
5. Press TRIGGER
mV
6. Use and
RANGE
sensitivity ranging and lock the Input C sensitivity range on 2 V/div.
s TIME ns
7. Use
8. Set the 5502A to source the leveled sine wave given in the first row of
Table 4-13.
9. Adjust the 5502A output voltage until the displayed trace has the amplitude
indicated under the appropriate column of Table 4-13.
10. Verify that the signal is well triggered.
If not, press TRIGGER
Trigger Level adjustment. Adjust the trigger level and verify that the signal is
triggered. The trigger icon ( ) indicates the trigger level.
11. Continue through the test points.
12. When you are finished, set the 5502A to Standby.
Table 4-13. Input C Trigger Sensitivity Test Points
UUT UUT
Model Time base
ALL 200 ns/div
10 ns/div
190-104
10 ns/div
10 ns/div
190-204
10 ns/div
2 ns/div
190-504
2 ns/div

Input C AC Voltage Accuracy (HF) and Bandwidth Test

The test steps for channel C are only for the models 190-104,
190-204, and 190-504.
Proceed as follows to test the Input C high frequency automatic scope ac voltage
measurement accuracy and bandwidth:
1. Connect the Test Tool to the 5502A as shown in Figure 4-9.
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to turn Input C on.
and use to move the Input C trace zero to the center grid
MOVE
F1
and use to select Input C as trigger source.
RANGE
to change the sensitivity range to select manual
V
to select the time base in Table 4-13.
and use F3 to enable the
5500A SC...
Initial Input Voltage
100 mV pp
400 mV pp
800 mV pp
400 mV pp
800 mV pp
400 mV pp
800 mV pp
Note
Performance Verification
Scope Input A, B, C, D Tests
for manual
MODE levsin
Trigger Amplitude
Frequency
5 MHz 0.5 div
100 MHz 1 div
150 MHz 2 div
200 MHz 1 div
250 MHz 2 div
500 MHz 1 div
600 MHz 2 div
4
UUT
4-27