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Getting started

R&S

LCX Series

23User Manual 1179.2260.02 ─ 02

To connect USB storage devices

USB storage devices, such as memory sticks, allow easy data transfer from or to the

R&S LCX. You can also use them for firmware updates.

► Connect the USB storage device to the "USB A" connector.

If you use the front panel connectors, connect the USB storage device directly,

without connecting cable. Connecting cables can cause electromagnetic radiation

and impair the measurement result.

To connect USB devices with external power supply

If you need more power for the external bias, you can use an USB device with external

power supply.

NOTICE! Connected devices with external power supply can feed back current into

the 5 V power supply of the USB interface and thus damage the R&S LCX.

Make sure that there is no connection between the positive pole of the power sup-

ply and the +5 V power pin of the USB interface (VBUS).

2. Connect the USB storage device to the "USB A" connector at the front panel.

4.1.9 Connecting a test fixture

The R&S LCX enables you to measure passive components like capacitors, coils,

resistors, transformers. To measure such components requires the use of suitable

measurement adapters, in this context considered as test fixtures.

For information on the test fixtures available for the R&S LCX, see Measurement Set-

ups > About Test Fixtures.

The test fixtures are connected firmly to the four BNC connectors H POT (high poten-

tial), H CUR (high current), L POT low potential) and L CUR (low current) at the front

panel.

The following instructions describe the mechanical connection of the adapter only.

Before starting a measurement, consider the prerequisites and steps to be performed

before as described in Chapter 4.3, "Trying out the instrument", on page 32.

Connecting a test fixture to the instrument

To connect a 4-terminal test fixture to the R&S LCX:

NOTICE! Check all terminals to make sure that they are not damaged.

NOTICE! Before connecting, discharge all components. Externally supplied voltage

can damage the BNC connectors of the R&S LCX.

Turn the levers at the "BNC" connectors of the test fixture to the left to release the

lock (1).

Preparing for use

R&S LCX Series User Manual

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