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2461Type C User Manual
Performance Verification and Adjustments 6-18
Racal Instruments
1998
Input 2 Attenuator
Check
Set the UCT to its default state. Select 50
Ω
impedance for Input
2.
Configure UCT as follows:
*RST
returns unit to default state
INP2:IMP 50
select 50
Ω
impedance for Input 2
Connect the UCT to the signal generator as shown in Figure 6-
10.
Figure 6-10, Input 2 X10 Attenuator Check Configuration
Set the signal generator to 1MHz, 10mV. Increase the signal
generator output level until the UCT gives a stable reading. Note
the signal generator output level.
Enable the UCT Input 2 attenuator and check that the UCT no
longer counts. Increase the signal generator until the UCT gives
a stable reading. Note the signal generator output level and
check that this level is approximately ten times the level
previously noted.
Disconnect the test equipment.
GATE
IN
1
VT1
VT2
ARM
T2
IN
STD
OUT
IN
2
OSC
UCT
IN 3
SIGNAL GENERATOR
RF OUT
INPUT 2
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