Signal processing circuits with digital programmability

Details Signal processing circuits with digital programmability Signal processing circuits with digital programmability

1992-04-30

1994-08-09

Ruggiero, Joseph

Boots, shoes, and leggings

128696, 364139, 36441306, G06F 1542, A61B 504

Patent

active

053372301

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.

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patent: 3976981 (1976-08-01), Romilly et al.
patent: 4180860 (1979-12-01), Driscoll et al.
patent: 4630204 (1986-12-01), Mortara
patent: 4672529 (1987-06-01), Kupersmit
patent: 5012411 (1991-04-01), Policastro et al.
patent: 5157604 (1992-10-01), Axford et al.

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