Title :
Single chip system for bio-data acquisition, digitization and telemetry
Author :
Song, II J. ; Allee, D.R. ; Speed, K.T.
Author_Institution :
Dept. of Electr. Eng., Arizona State Univ., Tempe, AZ, USA
Abstract :
A custom IC has been developed for the acquisition, digitization and telemetry of biological signals in the laboratory. This single chip system consists of a preamplifier, analog to digital converter and frequency shift keyed telemetry. The IC is 2.25 mm×2.25 mm and consumes 10 mW of power at a power supply voltage of 2.5 V. Data can be transmitted several meters. No off chip components are required except a miniature battery and a straight wire antenna as short as 2 cm. The IC is fabricated in a standard digital CMOS process without a second level of poly-silicon; current mode techniques are used to overcome the lack of linear capacitors
Keywords :
CMOS integrated circuits; analogue-digital conversion; application specific integrated circuits; biological techniques; biomedical electronics; biomedical telemetry; data acquisition; frequency shift keying; laboratory techniques; preamplifiers; telemetry; 10 mW; 2.5 V; analog to digital converter; bio-data acquisition; current mode techniques; custom IC; digitization; frequency shift keyed telemetry; power supply voltage; preamplifier; wire antenna; Analog-digital conversion; Batteries; Frequency conversion; Frequency shift keying; Laboratories; Power supplies; Preamplifiers; Telemetry; Voltage; Wire;
Conference_Titel :
Circuits and Systems, 1997. ISCAS '97., Proceedings of 1997 IEEE International Symposium on
Print_ISBN :
0-7803-3583-X
DOI :
10.1109/ISCAS.1997.621508
