Concepts and features
R&S
®
ZNA
306User Manual 1178.6462.02 ─ 29
Information about the voltage and current levels is available in Chapter 12.3.4, "RFFE -
GPIO interface", on page 1785.
There is no need to perform any kind of calibration or alignment of the extension board.
The analyzer firmware automatically detects and supports it. The controlled devices
can be hot-plugged.
Risk of board and instrument damage
Please turn off the R&S ZNA before mounting an internal RFFE-GPIO extension
board R&S ZNA-B15. A hot plug installation is not supported and can damage board
and instrument.
Current and voltage measurements (variant 03 only)
For test purposes, variant 03 of the R&S ZNA-B15 can apply constant, pin-specific out-
put voltages not only to the GPIO pins but also to the individual RFFE pins. Further-
more it can measure the (resulting) voltages/currents at these pins using suitable shunt
resistances. The firmware takes 500 samples per millisecond (and pin) and calculates
the average voltages/currents over the configured measurement time.
RFFE Cable with adapters (R&S ZN-Z25)
A 2m ribbon cable for connecting a DUT to the RFFE GPIO interface – along with a set
of adapters – is shipped with each RFFE GPIO extension board. It splits the 25-pin
connector of the RFFE GPIO interface to four 10-pin socket connectors. The adapters
provide several different pin configurations.
This interface cable/adaptor kit can also be ordered separately from Rohde & Schwarz
(R&S ZN-Z25, order no. 1334.3424.02). For a detailed pin description, see the
R&S ZN-Z25 data sheet.
4.7.27 Direct generator/receiver access
R&S ZNAxx-B16
Hardware option R&S ZNAxx-B16 provides direct access to the Ref, Source and Meas
signal path for each test port of an analyzer R&S ZNAxx.
Optional extensions and accessories
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