Standing alone, this integrator circuit will not be stable because the slightest amount of DC offset in the system will cause the output to ramp up or down until it hits the maximum or minimum voltage ...

We took a look at op amp integrators in the previous article, Op amps do integration, so it makes sense to round out the picture by covering differentiator circuits. Of course, differentiation is the ...

To allow the comparison of different op-amps in a headphone amplifier, [Stephan Martin] has created a stereo amplifier board complete with sockets to take single or dual op-amp chips. The circuit ...