R&S ZVA8 - Checking the Output Linearity

Performance Test R&S ZVA
1177.5333.02 1.10 E-11
Checking the Output Linearity
Instrument:
Test cable (see Chapter “Test Equipment“, Item7)
20dB attenuator (see Chapter “Test Equipment", Item7)
Test setup:
Connect the attenuator to port#
Connect the test cable to the attenuator and to one of the other ports
(portx)
R&S
®
ZVA settings:
- [ Preset ]
- [ Meas : Wave Quantities: bx Src Port # ]
- [ Mode : ALC : On]
- [ Sweep : Sweep Type : CW Mode :
CW Frequency : {f
GEN
*}]
- [ Marker : {f
GEN
*} ]
- [ Pwr BW AVG : -10 dBm]
- [ Trace Funct : Data -> Mem]
- [ Show Mem : off ]
- [ Math = Data/Mem : on ]
- [ Pwr BW AVG : {p
GEN
*}]
- [ Sweep : Single : Restart]
* For measurement frequencies {fGEN} and levels {p
GEN
}, see
Performance Test Report
Measurement:
Read off th Read off the marker values
Linearity deviation = (marker value – pwr setting – 10) dB