Carolina's Medical Center Biotelemetry Project
Radio Transceiver Design
Summary
We are developing an FM transceiver for a biotelemtry application. This is part of the Carolina's Medical Center Biotelemetry Project, and the transceiver is designed to work with the Biotelemetry Chip. The present transceiver is a frequency-synthesized 95-100 MHz FM design with 100 KHz Bandwidth, expandable to 200 KHz bandwidth. Operation has been tested down to 3.5 Volts, and sensitivites of approximately -90 dBm have been demonstrated. The current antenna design is a tuned loop.
Future/Current Directions
- - Increased bandwith for future applications
- - Higher transmit/recieve frequencies
- - Antenna optimization, implantation effects
- - Data coding
- - Miniaturization and conversion to integrated circuits
- - Power consumption
- - Device packaging
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