Concepts and features
R&S
®
ZNA
303User Manual 1178.6462.02 ─ 29
4.7.21 Precision frequency reference
Option R&S ZNA-B4
An optional OCXO improves the static frequency accuracy of the R&S ZNA. For
details, refer to the data sheet.
4.7.22 Second internal LO generator for 4-port R&S ZNA
Option R&S ZNA-B5
For 4-port R&S ZNA, hardware option R&S ZNA-B5 provides a second internal LO that
enables parallel measurement of a- and b-waves in frequency converting measure-
ments.
The frequency range of the internal LO generators (1st and 2nd) is 10 MHz to
26.5 GHz.
●
For 2-port R&S ZNA, option R&S ZNAxx-B52 offers a second internal RF source
and a second internal LO.
See Chapter 4.7.23, "Internal 2nd source and 2nd LO generator for 2-port
R&S ZNA", on page 303.
●
If the R&S ZNA is equipped with a second internal LO generator and an LO Out,
then the second internal LO generator is connected to the LO Out.
4.7.23 Internal 2nd source and 2nd LO generator for 2-port R&S ZNA
Option R&S ZNAxx-B52
Without additional HW options, a two-port R&S ZNAxx is equipped with a single inter-
nal source. This source can drive a single port at a time. Hardware option R&S ZNAxx-
B52 provides a second internal RF source and a second internal LO.
The frequency range of the second internal RF source corresponds to the frequency
range of the related R&S ZNA. The frequency range of the LO generators (1st and
2nd) is 10 MHz to 26.5 GHz.
●
If the R&S ZNA is equipped with a second internal LO and an LO Out, then the
second internal LO is connected to the LO Out.
●
For 4-port R&S ZNAxx, option R&S ZNAxx-B5 offers a second internal LO.
See Chapter 4.7.22, "Second internal LO generator for 4-port R&S ZNA",
on page 303.
Optional extensions and accessories
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