Measurements
R&S
®
FSW
284User Manual 1173.9411.02 ─ 19
The third order intercept (TOI) is displayed in the marker information.
2. The level of a signal analyzer's intrinsic intermodulation products depends on the
RF level of the useful signals at the input mixer. When the RF attenuation is added,
the mixer level is reduced and the intermodulation distance is increased. With an
additional RF attenuation of 10 dB, the levels of the intermodulation products are
reduced by 20 dB. The noise level is, however, increased by 10 dB.
Increase the RF attenuation to 20 dB to reduce intermodulation products.
The R&S FSW's intrinsic intermodulation products disappear below the noise floor.
Third Order Intercept (TOI) Measurement
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