A Classic LNA Design Challenge: Meeting The Satellite Digital Audio Radio Service (SDARS) LNA Specification

By Alan Ake, Vice President of Applications Engineering/Technical Marketing, Guerrilla RF

This article will focus on one high-volume (primarily automotive) application that goes against this trend and this is the multi-stage LNA associated with the SDARS radio capability that is included with millions of new cars every year. It requires a cascade of multiple high-performance amplifiers and filters to meet a very difficult set of requirements.