Three-channel telemetry system with optical interface

Jeffrey C. Lesho; Harry A. Eaton

doi:10.1117/12.188815

4 October 1994 Three-channel telemetry system with optical interface

Jeffrey C. Lesho, Harry A. Eaton

Proceedings Volume 2270, NASA/SPIE Conference on Spin-Off Technologies from NASA for Commercial Sensors and Scientific Applications; (1994) https://doi.org/10.1117/12.188815
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

An optical interface was incorporated into a three channel telemetry device to allow for communication to a packaged telemeter. Information transmitted on the optical link includes calibration parameters and commands to program the operation of the telemeter. The optical ink allows calibration information to be programmed into a telemeter, without the need for a bio-compatible electrical connection. The optical link was designed to completely reside on an integrated circuit chip. One of the three channels of the telemeter is dedicated to temperature measurement, while the other two channels are generic. The generic channels carry information from transducers that are interfaced to the system through on-chip general purpose operational amplifiers. The calibration information that is programmed into the telemeter is retrieved by time division multiplexing it with one of the generic channels.

Citation Download Citation

Jeffrey C. Lesho and Harry A. Eaton "Three-channel telemetry system with optical interface", Proc. SPIE 2270, NASA/SPIE Conference on Spin-Off Technologies from NASA for Commercial Sensors and Scientific Applications, (4 October 1994); https://doi.org/10.1117/12.188815

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