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Concepts and Features
R&S
®
ZNB/ZNBT
222
User Manual 1173.9163.02 ─ 55
VNA
1
3
2
4
Upper Tone
DUT
1
2
Lower Tone
An external combiner is required anyway.
Operation with
not
used.
The intermodulation distortion measurement can be extended to frequency-converting
DUTs. E.g., it is possible to feed the two-tone source signal to the RF input of a mixer
and measure the intermodulation distortion of the IF output signal, after conversion
with an additional LO signal.
Optional Extensions and Accessories