The AD6534 Othello One is a direct-conversion RF IC that houses all transmit and receive functions and is aimed at GSM/GPRS designs spanning the 900-, 1800-, and 1900-MHz frequency band. Through this ...
Modern radio receivers have a distinct advantage over the common early designs which I covered in my previous article. Most of the receivers you will have worked with over the past couple decades are ...
Direct down conversion, and its companion, very low IF (VLIF) or near-zero IF, are approaches that have essentially changed the face of the receive chain in a mobile handset. For the designer, it is ...
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