To extend AD8302 input frequency range

Question

It has been over 10 years since AD8302 was introduced. I don't know why only this single chip exists in "gain and phase" category. 
 My application demands to compare two signals up to 3GHz. AD8302 is so close to this range. Is there any approach that could extend AD8302 input frequency range while still keeping the original signal power/phase information intact? 
 Thanks for any advice.

jdobler · Accepted Answer

ADI only guarantees typical specs to 2.7GHz, however the AD8302 does work at 3 GHz. There is degradation of mag and phase error. Please see the attached 3GHz data of one part at room temperature. Note this data is given out only to give an indication of performance at 3GHz; it is not guaranteed for all parts over all operating conditions.)

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To extend AD8302 input frequency range