Nonlinear Behavioral Modeling and Post-Distortion of Frequency-Selective Limiters

FSLs have long been employed to reduce the jamming susceptibility in wideband receivers used in electronic warfare (EW) applications. However, their use in narrowband receivers used in military and commercial communication systems has been more limited because they can cause a substantial loss of usable bandwidth due to nonlinear distortion. This presentation gives an overview of nonlinear behavioral modeling as applied to frequency-selective limiters (FSLs), highlighting the similarities and differences compared to well-established behavioral models for power amplifiers.