Getting Started
R&S
®
ZNA
40User Manual 1178.6462.02 ─ 29
3.2.1.4 Front panel connectors
The test ports and three USB connectors are located on the front panel of the
R&S ZNA.
Test ports
Numbered connectors:
●
3.5 mm male for R&S ZNA26
●
2.92 mm (K) or 2.4 mm male for R&S ZNA43
●
2.4 mm male for R&S ZNA50
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1.85 mm male for R&S ZNA67
The test ports serve as outputs for the RF stimulus signal and as inputs for the mea-
sured RF signals from the DUT (response signals).
●
With a single test port, it is possible to generate a stimulus signal and measure the
response signal in reflection. For a measurement example, refer to Chapter 3.4.2,
"Reflection S-parameter measurement", on page 78.
●
With more than one test port, it is possible to perform full two-port, 3-port, ... , or n-
port measurements; see Chapter 4.3.1, "S-parameters", on page 149.
●
Use a torque wrench when screwing RF cables on the test port connectors.
●
See also Chapter 3.1.5, "Considerations for test setup", on page 27.
Connector usage
Two LEDs above each test port indicate the connector usage:
●
Tx on: connector is used as a source port
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Rx on: connector is used as a receive port
●
both LEDs on: connector is used as a bidirectional (source and receive) port
Direct generator and receiver access
Hardware option R&S ZNAxx-B16 provides direct access to the Ref, Source and Meas
signal path for each test port of a R&S ZNAxx.
The connector type of the 3 connector pairs is 2.92 mm (f) for R&S ZNA26 and
R&S ZNA43, and 1.85 mm (f) for R&S ZNA50 and R&S ZNA67.
See Chapter 4.7.27, "Direct generator/receiver access", on page 306.
USB connectors
The front panel offers three USB connectors of type A (master USB).
The USB ports can be used to connect external devices, e.g.:
●
external PC accessories such as mouse or other pointing devices, a keyboard,
printer or external storage device (USB stick, CD-ROM drive etc.)
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