Wednesday, July 06, 2011

Differential Interfaces Improve Performance in RF Transceiver Designs

Traditional IF and RF transceivers use 50-Ω single-ended interfaces, with interconnected circuits all seeing matching input and output impedances. In modern transceiver designs, differential interfaces provide better performance, but implementing them requires designers to confront impedance matching, common-mode voltage matching, and difficult gain calculations. This article offers some assistance.


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