Racal Instruments 2461 User Manual page 146

200mhz universal counter timer type c
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2461Type C User Manual
Racal Instruments  1998
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MEAS1:VOLT:MIN?
Verity that the reading is -4.000V +/- 70mV.
Next, set the DC Standard output voltage to 8.000 volts. Use
following command syntax to verify that the trigger level is
8.000V +/- 1.3mV.
Command Syntax:
INP1:COMP:SET:AUTO ON
MEAS1:VOLT:MAX?
Verify that the reading is 8.000V +/- 1.3mV.
Reverse the polarity of the DC input to UCT. Verify that the
trigger level is –8.000V +/- 380mV.
Command Syntax:
MEAS1:VOLT:MIN?
Verity that the reading is -8.000V +/- 1.3mV.
Disconnect the DC Standard from Input 1 and connect to Input
2. Configure the UCT for DC coupling on Input 2.
Repeat the same test for channel 2, connecting the DC source
to channel 2 of the counter.
channel 2 test is as follows.
Disconnect the test equipment.
Test Voltage
Command Syntax
INP2:COUP DC
+4.000 V
INP2:COMP:SET:AUTO ON
MEAS2:VOLT:MAX?
-4.000 V
MEAS2:VOLT:MIN?
+8.000 V
MEAS2:VOLT:MAX?
-8.000 V
MEAS2:VOLT:MIN?
Performance Verification and Adjustments 6-13
measures negative peak
turns Auto Trigger on
measures positive peak
measures negative peak
The command syntax for the
Tolerance
290 mV
290 mV
1.3 V
1.3 V

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