Rohde & Schwarz ZNB20, Руководство пользователя

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Command Reference
R&S
®
ZNB/ZNBT
1056 User Manual 1173.9163.02 ─ 38
For redefined physical ports (see
[SENSe:]UDSParams<Pt>:PARam
), the respective
measurement receiver (b-wave) is significant. E.g. if physical port 1 is equipped with a
step attenuator, then an attenuation factor can be applied to the (redefined) port receiv-
ing b1.
Note that in presence of External Switch Matrices all VNA ports have to be equipped
with receiver step attenuator option.
Suffix:
<Ch>
.
Channel number
Parameters:
<arg0> Physical port number
Instead of port numbers 1, 2, 3 and 4 you can also use the con-
stants ARECeiver, BRECeiver, CRECeiver and DRECeiver,
respectively.
Default unit: n/a
<arg1> Attenuation factor for the received wave.
Range:
0 dB, 10 dB, 20 dB, 30 dB. The analyzer rounds
any entered value below the maximum attenuation
to the closest step.
*RST: 0 dB
Default unit: dB
Example: POW:ATT AREC, 10
Set an attenuation factor of 10 dB for the waves received at test
port 1 and channel no. 1. The other test ports and channels are
not affected.
Manual operation: See "Attenuation" on page 366
[SENSe<Ch>:]POWer:GAINcontrol <ReceiverName>, <Mode>
[SENSe<Ch>:]POWer:GAINcontrol? <ReceiverName>
Defines port-specific gain settings.
Note:
●
Without the Extended Power Range option only the gain of the measurement
receivers (the b-waves) can be statically set (to LNOise or LDIStortion); the refer-
ence receiver always uses automatic gain control (AUTO). With the option availa-
ble, also the gain of the reference receivers (the a-waves) can be set statically.
●
If you also want to distinguish between different sweep segments, use
[SENSe<Ch>:]SEGMent<Seg>:POWer:GAINcontrol
instead.
Suffix:
<Ch>
.
Channel number
SCPI Command Reference