Operating external frontends
R&S
®
SMW-K553
16
User Manual 1179.4240.02 ─ 02
7. Optionally, specify connection characteristics:
a) Select "Auto Connect > On".
b) Select "Preset behavior: Keep connections to external instruments > On".
To configure external frontend settings
The following procedure describes how to configure external frontend settings at the
R&S
SMW.
The R&S
SMW is connected to an R&S
FE44S and a remote control connection
between R&S
SMW and R&S
FE44S is established, see
Frontend control configuration with other connected external frontends is analogous.
1. Select one of the following in the block diagram:
● Click the "FE44S" icon to the right of the "RF A/RF B" block.
● Select "RF A/RF B" > "RF Frontend" > "Frontend Device".
2. Set the frequency of the reference signal between R&S
SMW and R&S
FE44S,
e.g., "10 MHz".
3. Optionally, change the "Connection Mode". For example, see
FE50DTR Simultaneous RX/TX connection mode"
For "Connection Mode > Auto", R&S
SMW read out frontend information automati-
cally, e.g. intermediate frequency (IF) and frequency band configuration.
4. Set the "Frequency Band Config" to define the IF value and IF mode:
● "IF Low": Sets IF low mode.
The R&S
SMW sets an IF frequency below 7.5
GHz.
● "IF High": Sets IF high mode. R&S
SMW
The R&S
SMW sets an IF frequency above 7.5
GHz.
Also, the R&S
SMW sets and reads out the following parameters automatically at
the external frontend:
● "Intermediate Frequency": Frequency of the IF input signal input
● "Active RF Connector": RF output connector
● "Frequency Band x": Frequency ranges of the RF output signal
For more information, see data sheet.
Controlling external frontends