Rohde & Schwarz SGT100A, Начало работы

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Preparing for use
R&S
®
SGT100A
20 Getting Started 1419.4576.02 ─ 10
2. NOTICE! Risk of instrument damage. Excessive reverse power or DC voltage
at the RF 50
Ω
connector can damage the instrument.
Make sure that the values do not exceed the reverse power and DC limits as
given in the data sheet.
3. If switched-on, deactivate the RF output of the R&S SGT, before connecting
an RF cable to the RF 50
Ω
connector.
On the front panel, press the [RF ON] key.
To connect to screwable connectors
Additional to the RF 50
Ω
connector, the following procedure holds for all screwa-
ble connectors of the R&S SGT. Screwable connectors include connector types
as listed in Table 4-1 .
1. Use a high-quality cable that matches the connector type.
See "Cable selection and electromagnetic interference (EMI)" on page 17.
2. NOTICE! Risk of instrument damage and connector damage. Excessive tight-
ening can damage the cables and the connectors. However, if you do not
tighten the connectors enough, the measurement results can be inaccurate.
To connect the cable with the connector, proceed as follows:
a) Carefully align the connector of the cable and the connector along a com-
mon axis.
b) Mate the connectors along the common axis until the male pin of the inner
connector engages with the female socket of the outer connector.
c) Turn the nut of the outer connector until the connectors are firmly coupled.
d) Torque the nut to the specified limit using a calibrated torque wrench. Hold
the opposite connector part stationary with a spanner.
For torque limits of the most relevant connector types, see
Table 4-1 . For
more information, see chapter "Handling" of the application note 1MA99 .
3. Torque the nut to the specified limit using a calibrated torque wrench. Hold the
opposite connector part stationary with a spanner.
Table 4-1: Connector types and torque limits
Type Torque limit Nut opening
lb-Inch Nm Inch mm
N 13.3 1.5 3/4 20
SMA, SMB 5 0.56 5/16 8
Connecting to RF 50
Ω