Part II

Front End Technology

Front End design – including RF Architecture, Data Conversion and Digital Front Ends – has emerged as a key issue as SDR techniques are finding themselves increasingly embodied by stealth into today's new products.

The radical solution – ‘Pure’ Software Radio, with A/D conversion at the antenna – is not yet feasible at GHz carrier frequencies. However, recent technology advances suggest it may be nearer than had been thought.

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