Rohde & Schwarz R&S ZNA Series - 8.2.10 Noise figure measurement of an amplifier

Programming examples
R&S
®
ZNA
1763User Manual 1178.6462.02 ─ 29
8.2.10 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
SENSe1:SEGMent:POWer:GAINcontrol:CONTrol OFF
// config similar to the one done inside NF Meas Dialog
// define ports for NF
SENSe1:NFIGure:DEFine 2, 1 // receiving port 2, driving port 1
// set stimulus
SENSe1:FREQuency:STARt 100MHz
SENSe1:FREQuency:STOP 4GHz
SENSe1:SWEEp:POInts 40
// base power (for DUT Measurement)
SOURce1:POWer -30dBm
// set RBW (2MHz equivalent bandwidth)
SENS1:BAND:RES 2MHz
// set source step attenuator to 40dB at source port
SOURce1:POWer1:ATT 40dB
// use LNA with 25dB gain at port 2
SENSe1:PAMPlifier2:STATe ON
SENSe1:PAMPlifier2:VALue 25
// noise detector measurement time (for measurement)
SENSe1:NFIGure:NTIMe 50ms
// gain detector measurement time (for measurement)
SENSe1:NFIGure:GTIMe 10ms
// noise detector measurement time (for calibration)
SENSe1:NFIGure:CALibration:NTIMe 50ms
// gain detector measurement time (for calibration)
SENSe1:NFIGure:CALibration:GTIMe 10ms
Condensed programming examples