Concepts and features
R&S
®
ZNA
278User Manual 1178.6462.02 ─ 20
Figure 4-36: Standard vs. reverse coupler configuration
Make sure not to overdrive the measurement receiver, when using the reversed cou-
pler configuration. Its compression point is reduced by 10 to 20 dB, compared to the
standard configuration. Furthermore the source power level of the test port is reduced
by 10 dB.
4.7.27 Additional removable system drive
Option R&S ZNA-B19
Option R&S ZNA-B19 provides an additional removable system drive for the R&S ZNA,
including operating system and VNA firmware.
4.7.28 Source step attenuators
Option R&S ZNAxx-B21|B22|B23|B24
Hardware option R&S ZNAxx-B2y provides a mechanical source step attenuator for
physical port y of a R&S ZNAxx.
Attenuation can be set from 0 to 70 dB, in steps of 10 dB.
4.7.29 Direct IF access
Option R&S ZNA-B26
Hardware option R&S ZNA-B26 enables direct access to the IF signal path of the
R&S ZNA via Rear panel connectors IF Reference <i> and IF Meas <i>.
●
Switchable, 1 GHz analog bandwith
●
System extension with external digitizer (spectrum analyzer, scope)
●
Beneficial for antenna measurement systems
Optional extensions and accessories
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