Rohde & Schwarz SMB100A, Quick Start Manual

Page: 21 / 92

Preparing for Use
R&S
®
SMB100A
21 Quick Start Guide 1407.0812.62 ─ 20
b) Mate the connectors along the common axis until the male pin of the connector
of the cable engages with the female socket of the RF connector.
If your instrument is equipped with a test port adapter, see the application note
1MA100 .
See "RF 50 Ohm" on page 48.
To prevent RF output switch-off
►
NOTICE! If you set a too high output level without a load connected to the instru-
ment, the reverse power can exceed a limit forcing the R&S SMB 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
The connector is at the rear panel .
To connect to Ref In/Ref Out
For connection, the R&S SMB provides BNC connectors.
► Follow the instructions in "To connect to non-screwable connectors (BNC)"
on page 20.
4.12 Switching On or Off
The following table provides an overview of power states, LEDs and power switch posi-
tions.
Table 4-1: Overview of power states
State LED Position of power switch
Off
gray
[0]
Standby
yellow
[I]
Ready
green
[I]
To switch on the R&S SMB
The R&S SMB is off but connected to power. See Chapter 4.6, "Connecting to Power" ,
on page 18.
1. Set the switch on the power supply to position [I].
The switch is at the rear panel .
The LED of the [ON/STANDBY] key is yellow.
Switching On or Off