A Study of Nonlinearity Including Feedback Memory With Application to RF Amplifiers

作者：Cook Mackenzie; Rogers John W M^*

来源：IEEE Microwave and Wireless Components Letters, 2016, 26(3): 198-200.

DOI：10.1109/LMWC.2016.2526020

• Amplifiers
• IIP3 predictions
• nonlinear circuit analysis
• power series
• RF circuits
• volterra series

A large number of systems may be modeled by placing feedback around a mildly nonlinear device. A technique for generically calculating the third-order intercept point (IP3) of these systems is developed. Common circuit configurations relevant to RF amplifiers are studied and analytical closed form equations for their IP3 are presented. The theoretical results are compared to simulated results obtained using commercial foundry models. The method may be applied to other circuit configurations.

• 出版日期2016-3