[InterceptPoint]

Based on the idea that pictures are way, way better than words I hereby dutifully submit the origins of

InterceptPoint

[PROCON]

OMG, you did a graph......too much like MATH! :-)

[Gaffer]

Intersection of 2nd and 3rd order intermod products... Cool name... I used to specify amps and microwave components. Always looked for that value. One trick manufacturers used to embellish the value was not saying input or output IP..... it makes a difference.... :0)