Concepts and features
R&S
®
ZNA
305User Manual 1178.6462.02 ─ 29
To retrofit the memory extension board, the R&S ZNA must be sent to Rohde &
Schwarz Service.
4.7.25 LO Out
R&S ZNA-B8
Hardware option R&S ZNA-B8 provides a dedicated Rear panel local oscillator output
port.
This port is particularly useful for driving millimeter wave converters. If you use a power
splitter to connect the LO Out of the R&S ZNA to the LO In ports of the converters,
then it is possible to measure n converter ports with an n-port R&S ZNA, without the
need for an external generator.
On a R&S ZNA67EXT, this hardware option is preinstalled.
If the R&S ZNA is equipped with a second internal LO generator, then the second inter-
nal LO generator is connected to the LO Out.
4.7.26 RFFE GPIO interface
Option R&S ZNA-B15
The trend in mobile radio communication is towards higher scale of integration of exter-
nal components such as filters, switches, low noise and power amplifiers. The require-
ment for test and measurement equipment is to make it possible to control those com-
ponents directly from the instrument without the need of additional external tools, e.g. a
USB to RFFE adapter.
For these kinds of applications, Rohde & Schwarz has developed an RFFE-GPIO
extension board for the R&S ZNA. This board is equipped with a 25-pin female con-
nector interface providing 2 independent RF Front-End (RFFE) interfaces according to
the MIPI® Alliance "System Power Management Interface Specification" and 10 Gen-
eral Purpose Input/Output (GPIO) pins. RFFE command execution and GPIO voltage
settings can be synchronized with the sweep (sweep sequencer functionality); how-
ever, RFFE read is not supported in sweep sequencer mode.
Variants
The following variants of the RFFE-GPIO extension board are available:
●
R&S ZNA-B15 variant 02, order number 1332.4575.02
●
R&S ZNA-B15 variant 03, order number 1332.4575.03, including current and volt-
age measurements for all RFFE and GPIO pins
Optional extensions and accessories
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