Performance Test R&S
ZVB
1145.1078.82 1.10 E–4
Checking the Input Linearity
Instrument: Calibration kit (see Chapter “Test Equipment“, Item4)
R&S
®
ZVB settings:
– [ Preset ]
– [ Meas : Ratios: b1/a1 Src Port 1]
[ Meas : Ratios: b2/a2 Src Port 2]
[ Meas : Ratios: b3/a3 Src Port 3]
[ Meas : Ratios: b4/a4 Src Port 4]
– [ Meas Bandwidth : 10 Hz ]
– [ Marker]
– [ Sweep : Sweep Type : Power : Start –40dBm : Stop 10dBm :
CW Frequency : {f
GEN
*}]
– [ Sweep : Single : Restart]
* For measurement frequencies, see Performance Test Report {fGEN}
1.Test setup: Connect a open male to port 1 (port 2 to port 4)
1. Measurement:
– [ Trace Funct ]
– [ Data –> Mem ]
– [ Show Mem : off ]
2. Test setup: Connect a short male to port 1 (port 2 to port 4)
2. Measurement:
– [ Math = Data/Mem : on ]
Set Ref Marker to –10dBm
Select Delta Mode
Set Marker1 to –40dBm up to +10dBm by 5dB steps
Read off the differences of the Marker Values displayed by the R&S ZVB
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