Performance Verification
AMT75 Impedance Adapter Instructions
13
AMT75 Test Record
Photocopy this page and use it to record the performance test results for your
AMT75 adapter.
AMT75 Test Record
Instrument Serial Number:
Certificate Number:
Temperature:
RH %:
Date of Calibration:
Technician:
AMT75 Performance Test
Minimum
Incoming
Outgoing
Maximum
Output Impedance: 50
±
1.5%
49.25
__________
__________
50.75
Input impedance: 75
±
1.5%
73.875
__________
__________
76.125
Attenuation accuracy: 5X (–14 dB)
±
1.5%
(measured with 2.500 V on the input)
Input voltage
Output voltage
Input
B
output = attenuation factor
N/A
0.197
4.925
1.000
B
__________
= __________
1.000
B
__________
= __________
N/A
0.203
5.075