EDN

Direct-conversion radio

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 ...
Hackaday

Modern Radio Receiver Architecture: From Regenerative To Direct Conversion

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 ...
Electronic Design

RFCMOS Bluetooth Radio Processor Resides On A Single Chip

Fabricated on a 0.18-µm CMOS process, the UltimateBlue 3000 radio processor integrates a direct conversion radio modem, ARM7TDMI baseband processor, and protocol software stored in ROM, all on a ...
EDN

Use Direct Conversion to Shrink WLAN Radio Costs

Editor's Note: To view a PDF version of this article, Click Here. With the popularity of wireless-LAN connectivity has come the demand for smaller form factors, lower power consumption, fewer parts ...
Electronic Design

Demodulator Enables Down Conversion Up To 2.7 GHz

The AD8347 is claimed to be the industry's first direct conversion quadrature demodulator that operates from 800 MHz to 2.7 GHz. The chip integrates RF and baseband programmable gain stages that ...
Hackaday

direct conversion

A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver for the 40 metre amateur band. It was originated by ...