Rohde & Schwarz 1440.8002.02, Getting Started

Page: 24 / 95

Preparing for use
R&S
®
SMM100A
24 Getting Started 1179.1335.02 ─ 04
Table 3-1: Connector types and torque limits
Type Torque limit Nut opening
lb-Inch Nm Inch mm
N 13.3 1.5 3/4 20
SMA 5 0.56 5/16 8
3.5 mm 8 0.9 5/16 8
2.92 mm 8 0.9 5/16 8
2.4 mm 8 0.9 5/16 8
1.85 mm 8 0.9 5/16 8
1.0 mm 3 0.34 0.236 6
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 SMM100A
to switch off the RF output.
Connect a load with sufficient return loss as given in the data sheet.
3.10 Connecting to LO In/Out
"LO In/Out" connectors are Subminiature Version A (SMA) connectors.
The connector is located on the rear panel .
Follow the instructions in "To connect to screwable connectors" on page 23.
See also chapter "Local Oscillator Coupling" in the user manual.
3.11 Connecting to Ref In/Ref Out
The connector is located on the rear panel .
Connecting to Ref In/Ref Out