Concepts and features
R&S
®
ZNA
277User Manual 1178.6462.02 ─ 20
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. 5202.9238.02). For a detailed pin description, see the
R&S ZN-Z25 data sheet.
4.7.26 Direct generator/receiver access
R&S ZNAxx-B16
Hardware option R&S ZNAxx-B16 provides 3 pairs of SMA connectors for each test
port of an analyzer R&S ZNAxx.
See "Direct generator and receiver access" on page 44.
Reverse Coupler Configuration
The reverse coupler configuration is obtained by a simple reconnection of the direct
generator/receiver access jumpers.
By inverting the signal routing of RF out and measurement path, the sensitivity of the
measurement receiver is increased by 10 to 20 dB.
Optional extensions and accessories
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