Patent ID: 6925428

Claim:
A printed wiring board, comprising: an input conditioner having a plurality of analog dc inputs and a plurality of analog dc outputs; a switching circuit having an analog dc output, the switching circuit being connected to the plurality of analog dc outputs of the input conditioner; a sample and hold converter having an analog dc output, the sample and hold converter being connected to the analog dc output of the switching circuit; an A/D converter having a digital output, the A/D converter being connected to the analog dc output of the sample and hold converter; a microprocessor connected to the digital output of the A/D converter; a timer circuit connected to the microprocessor; a random access memory connected to the microprocessor; and a VME interface connected to the microprocessor, wherein the switching circuit comprises first, second and third dc multiplexers each having an analog dc output; a four channel programmable op amp, connected to the analog dc outputs of the first, second and third dc multiplexers, analog dc outputs of rms to dc converters being connected to the four channel programmable op amp; the four channel programmable op amp being connected to the sample and hold converter.