Specifications

Test Procedure (ZVM & ZVK) ZVx
1127.8500.60 5.16 E-2
5.2.3.4 Checking the Attenuators
Test equipment: Test Cable ZV-Z14, female-female adapter PC 3.5 from ZV-Z32;
Test Cable ZV-Z15, female-female adapter PC 2.92 from ZV-Z34
Test setup: Connect cable between PORT1 and PORT2.
Settings on network analyzer:
PRESET
SWEEP SINGLE POINT
CENTER Measurement frequency
SOURCE POWER 0 dBm
SOURCE ATTxx
IF BANDWIDTH 10 Hz
MEAS S21
for measurement STEP ATT a1 and STEP ATT b2
S12
for measurement STEP ATT a2 and STEP ATT b1
FORMAT MAGNITUDE
MARKER Marker frequency = measurement frequency
Reference
measurement:
½ Perform reference measurements at the measurement frequencies and an at-
tenuation value of 10 dB.
Reference value = marker value
Measurement:
½ Set measurement frequencies according to test record.
½ Increase ATT xx attenuation in 10 dB steps from 0 to 70 dB and read out marker
value obtained with each step.
Attenuation error = (marker value - reference value)