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Use of dynamic RAM in a portable data recorder

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3 Author(s)
Huang, X. ; Sussex Univ., Brighton, UK ; English, M.J. ; Vincent, R.

A portable ECG recorder using dynamic RAM as the recording medium has been developed. The dynamic RAM interface hardware which includes three types of communication mode, that is to a PC, a microcontroller (MCS-51) and an A/D subsystem (AD7821) with dynamic RAMs, is described. This technique opens a new path to the development of low cost, small size and large capacity long-term physiological data recorders.

Published in:

Electronics Letters  (Volume:28 ,  Issue: 20 )