Hysteresis Check For Input 1; Hysteresis Check For Input 2 - Racal Instruments 2461 User Manual

2461Type C User Manual
Hysteresis Check
for Input 1
Hysteresis Check
for Input 2
Racal Instruments  1998
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Set the UCT to its default state. Select 50
1.
Equipment: Signal Generator
Configure UCT as follows:
*RST
INP1:IMP 50
Set the signal generator to 10MHz, 15mV and apply to Input 1.
Verify that the UCT has a stable reading. Enable Hysteresis for
maximum and verify the UCT no longer counts. Increase the
signal generator output level to 30mV and verify the UCT has a
stable reading.
Command syntax:
INP1:COMP:HYST:REL MAX
MEAS1:FREQ?
Disconnect the test equipment.
Set the UCT to its default state. Select 50
2.
Equipment: Signal Generator
Configure UCT as follows:
*RST
INP2:IMP 50
Set the signal generator to 10MHz, 15mV and apply to Input 2.
Verify that the UCT has a stable reading. Enable Hysteresis for
maximum and verify the UCT no longer counts. Increase the
signal generator output level to 30mV and verify the UCT has a
stable reading.
Command syntax:
INP2:COMP:HYST:REL MAX
MEAS2:FREQ?
Disconnect the test equipment.
Performance Verification and Adjustments 6-19
Ω impedance for Input
returns unit to default state
selects 50Ω impedance
enables hysteresis
takes a measurement
Ω impedance for Input
returns unit to default state
selects 50Ω impedance
enables hysteresis
takes a measurement