I'm currently trying to make the INA118 (instrumentation amplifier) work, but the amplifier is not working whatsoever.
Please check my schematics: http://img403.imageshack.us/img403/8508/circuit.png
The oscilloscope measure states that the signal is just 200mV, which doesn't coincides with my calculations. That's a gain of 50. There's a small voltage difference with respect to the voltage reference, which could perfectly be amplified.
What am I doing wrong?