Biomedical amplifier circuit

Details Biomedical amplifier circuit Biomedical amplifier circuit

1992-04-30

1993-04-27

Mottola, Steven

Amplifiers

With periodic switching input-output

330258, M03F 102

Patent

active

052066029

ABSTRACT:
A mixed analog and digital integrated circuit with features which are especially useful for application as a front end for physiological signal instrumentation such as electrocardiographs, electromyographs, and electroencephalographs. The integrated circuit has 5 signal channels, each with analog amplification and analog to digital conversion. The channels can be configured for various combinations of input signal amplification, input signal summation, analog output driving, and AC impedance measurement. The integrated circuit has 2 digital serial input lines and 2 digital serial output lines, all designed for direct connection to optical couplers. Channel configuration, gain, and other parameters are externally controllable by a serial digital input signal. Up to 6 compatible devices can be serially connected in a chain.

REFERENCES:
patent: 4912423 (1990-03-01), Milkovic et al.
patent: 4933644 (1990-06-01), Fattaruso et al.
patent: 4947135 (1990-08-01), Mijuskovic

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