Beware that a two-tone measurement cannot completely predict the output spectrum for wideband signals. It cannot for example replace an ACPR (Adjacent Channel Power Ratio) measurement, if ACPR is of any concern to you.
There was an interesting article in the May issue of MTT, titled Prediction of a CDMA output spectrum based on intermodulation products of two-tone test, where the authors try to give an upper and lower limit on the spectrum, based on a two-tone measurement.
<font size=-1>[ This Message was edited by: vanderspunk on 2001-07-29 15:09 ]</font>