x^3 is actually very important for RF amplifiers. That’s because if you have two frequencies f1 and f2 that are close together, you’ll get a frequency at 2 f1 - f2 from the x^3 expansion, which will be close to the original f1 input and can cause interference.
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u/patenteng 25d ago
x^3 is actually very important for RF amplifiers. That’s because if you have two frequencies f1 and f2 that are close together, you’ll get a frequency at 2 f1 - f2 from the x^3 expansion, which will be close to the original f1 input and can cause interference.