Preparing for use
R&S
®
SMB100B
28Getting Started 1422.1045.02 ─ 06
4.10 Connecting to RF 50 Ω
To connect to "RF 50 Ω"
1. Before connecting to the "RF 50 Ω" connector on the front panel, proceed as
follows:
a) Prepare the "RF 50 Ω" connector. See "To prepare for connecting"
on page 26.
b) If activated, deactivate the RF output. In the home screen, select the block
"Level" > "RF On > Off".
2. Connect to the "RF 50 Ω" connector. See "To connect to screwable connec-
tors" on page 27.
To prevent RF output switch-off
► NOTICE! If you set a too high output level without a load connected to the
instrument, the reverse power can exceed a limit forcing the R&S SMB100B
to switch off the RF output.
Connect a load with sufficient return loss as given in the data sheet.
4.11 Connecting to Ref In/Ref Out
To connect to "Ref In"/"Ref Out"
For connection, the R&S SMB100B provides BNC connectors (reference signal
frequency f
ref
< 1 GHz) or SMA connectors (f
ref
= 1 GHz).
1. Before connecting, prepare the Ref In/Ref Out connectors on the rear panel.
See "To prepare for connecting" on page 26.
2. Connect to the "Ref In"/"Ref Out" connectors:
● f
ref
< 1 GHz: "To connect to pluggable connectors" on page 27
● f
ref
= 1 GHz: "To connect to screwable connectors" on page 27
Connecting to Ref In/Ref Out
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