Concepts and features
R&S
®
ZNA
237
User Manual 1178.6462.02 ─ 20
VNA
1
3
2
4
Upper Tone
DUT
1
2
Lower Tone
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.
VNA
1
3
2
4
Upper Tone
DUT
1
2
Lower Tone
LO
Optional extensions and accessories