Dan Bobyn Engineering Ltd.

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We average about ten projects a year.  Recent and representative development programs include: L1/L2 GPS Receiver Front End SDR Rx/Tx VHF/UHF RF Front End L1/L5 GPS Receiver Front End GPS L1, L2 and L5 Signal Generator E5ab Galileo Receiver Front End VHF Multicarrier PA and Power Control Loop L1/E6 GPS/Galileo Receiver Front End Bluetooth Radio Design WAAS Test Bed Custom Frequency GPS Receivers Recent consulting programs include: GPS Carrier Range and Pseudorange RF Circuit Dependencies Satellite Modem Signal Combining Techniques 2.4, 3 and 5 GHz OFDM Radio Tx/Rx Front Ends Cellular Tx Temperature Compensation ISM Band Modulator EOL Replacement L Band Receiver Circuit Design and PCB Layout Review OCXO Phase Noise Qualification RF Circuit Design Course 3 GHz Broadband Wireless Radio Architecture Definition L Band Triplexer Study 2.4 GHz RFID Hardware Definition Study Low Power ISM Band Transceiver Design

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