Trigger Level Accuracy Test; Figure 6-6 Input 1 Trigger Level Test Configuration - Racal Instruments 2461 User Manual

Trigger Level
Accuracy Test
Performance Verification and Adjustments 6-12
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Set the UCT to its default state. Set the UCT to DC coupling for
Equipment: Dc Standard
Configure the UCT as follow:
*RST
INP1:COUP DC
INP1:COMP:SET:AUTO ON
Connect the UCT to the DC standard as shown in Figure 6-6.
Set the DC Standard output voltage to 1.000 volts.
change the DC standard output to 4,000 volts (this insures
counter in x1 mode).
SIGNAL GENERATOR
DC SOURCE
DC OUT
+
-

Figure 6-6 Input 1 Trigger Level Test Configuration

Connect the DC Standard to Input 1 of the UCT. Use following
command syntax to verify that the trigger level is 4.000V +/-
Command Syntax:
MEAS1:VOLT:MAX?
Verify that the reading is 4.000V +/- 290mV.
Reverse the polarity of the DC input to UCT. Verify that the
trigger level is –4.000V +/- 290mV.
Command Syntax:
2461Type C User Manual
Input 1.
returns UCT to default state
selects DC coupling for Input 1
turns Auto Trigger on
IN
1
GATE
VT1
VT2
ARM
IN
IN 3
STD
OUT
T2
IN
2
OSC
UCT
290mV.
measures positive peak
Racal Instruments  1998
Next,
INPUT 1