Signal conditioning boards for use on our data acquisition and microcontroller boards.
Instrumentation Amplifier
Based an Analog Devices AD620 low cost instrumentation amplifier chip.
Instrumentation Amplifier schematic (.pdf), layout (.pdf).
Specifications:
Jumper selectable 1,10,100,1000 gain.
Wheatstone Bridge strain gauge input.
Professional quality board with silkscreen.
Power requirements:
Requires external 7-10 volt DC supply.
Price:
Bare PC Board: $5.00
Current Shunt Amplifier
Based an Analog Devices AD620 low cost instrumentation amplifier chip.
Current Shunt Amplifier schematic (.pdf), layout (.pdf).
Power requirements:
Requires external 7-10 volt DC supply.
Price:
Bare PC Board: $5.00
Thermocouple Amplifier
Based an Analog Devices AD595 cold junction thermocouple amplifier chip.
Thermocouple Amplifier schematic (.pdf), layout (.pdf) and parts list..
Specifications:
K type thermocouple input.
Professional quality board with silkscreen.
Power requirements:
Requires external 7-10 volt DC supply.
Price:
Bare PC Board: $5.00
No assembled units or parts kit are available. Bare PC boards are in stock.
Please include $5 shipping and handling for destinations within the continental United States. All other areas, please us for shipping charges.
For those only interested in purchasing a single bare pcb board, shipping and handling can be avoided by sending us the cost of the pcb and include a self addressed stamped envelope with your order. Please attach three first class stamps to the envelope with your legible return address. We suggest using cardboard floppy disks envelopes that can be purchased at office supply stores. US only.
