Flexible and scalable front-end tuner for software defined radio: Page 5 of 5

March 29, 2017 //By Nazzareno Rossetti, Kishore Racherla, Adam Heiberg
Flexible and scalable front-end tuner for software defined radio
Traditional radio receivers require as many radio receiver chips as there are standards. In contrast, Software Defined Radio (SDR) architectures perform the baseband processing using software, enabling reception of a wide range of radio standards with a single radio platform. This article discusses different ways to handle the SDR baseband processing and proposes a cost effective, flexible and scalable implementation that best actualizes the potential of SDR.

We looked at a highly integrated solution which handles two standards, each with its own baseband processor and front-end. We found that this solution lacks the flexibility needed to fully implement SDR. The MAX2175, Maxim Integrated’s World Band Radio receiver, was presented as a superior alternative.  This advanced RF to Bits automotive radio tuner enables the most flexible and scalable SDR implementation and reduces cost, by more efficiently utilizing the multicore application processor.

About the Authors:

Nazzareno (Reno) Rossetti is a seasoned Analog and Power Management professional, a published author and holds several patents in this field. He holds a doctorate in Electrical Engineering from Politecnico di Torino, Italy.

Kishore Racherla is a business manager for Maxim Integrated’s Automotive RF product line. He has over 10 years of industry experience and holds a master’s degree in electrical engineering from Arizona state university.

Adam Heiberg has worked at Maxim Integrated for 4 years with a primary focus on wireless communications development. Previously, he designed high efficiency integrated and discrete power converters and holds several patents in this field. Adam graduated from Oregon State University in 2008 with a master’s degree in electrical engineering. His studies focused on the design of low power RFICs, and his thesis was published as an article in the IEEE Journal of Solid State Circuits.


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