R&S ZNA26 - Page 1629

Programming examples
R&S
®
ZNA
1629User Manual 1178.6462.02 ─ 20
Measure the test coupon
We are using a single-ended (2-port) "Symmetric 2x Thru" coupon (balanced). Connect
it to ports 1 and 2.
:CALCulate:FMODel:ISD1:COUPon:TYPE SYMMetric2x
:CALCulate:FMODel:ISD1:COUPon:STATe 1
:CALCulate:FMODel:ISD2:COUPon:STATe 1
:CALCulate:FMODel:ISD3:COUPon:STATe 0
:CALCulate:FMODel:ISD4:COUPon:STATe 0
:CALCulate:FMODel:ISD:COUPon:MEASure
Measure the DUT together with the test fixture
Connect DUT + test fixture to ports 1 and 2.
:CALCulate:FMODel:ISD1:DUT:STATe 1
:CALCulate:FMODel:ISD2:DUT:STATe 1
:CALCulate:FMODel:ISD3:DUT:STATe 0
:CALCulate:FMODel:ISD4:DUT:STATe 0
:CALCulate:FMODel:ISD1:DUT:MEASure
:CALCulate:FMODel:ISD1:RUN:STATe 1
:CALCulate:FMODel:ISD2:RUN:STATe 1
:CALCulate:FMODel:ISD3:RUN:STATe 0
:CALCulate:FMODel:ISD4:RUN:STATe 0
:CALCulate:FMODel:ISD:RUN:RUN
Measure the DUT together with the test fixture
Run the ISD tool and apply the generated s2p files to port 1 (unswapped) and port 2
(swapped).
:CALCulate:FMODel:ISD1:RUN:STATe 1
:CALCulate:FMODel:ISD2:RUN:STATe 1
:CALCulate:FMODel:ISD3:RUN:STATe 0
:CALCulate:FMODel:ISD4:RUN:STATe 0
:CALCulate:FMODel:ISD:RUN:RUN
8.2.9 Noise figure measurement of an amplifier
*RST
// depending on topology: coupler reversed at port 2
SOURce:PATH2:DIRectaccess REV
// part 1 (content of init of NF channel in Meas Dialog)
// set IF Gain Mode to Manual
SENSe1:POWer:GAINcontrol:GLOBal MANual
// set IF gain on all receivers to Low Noise
SENSe1:POWer:GAINcontrol:ALL LNOise
// couple IF gain mode in sweep segments to channel setting
Condensed programming examples