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The thing is that I have the "switch resistor" transistor besides the output resistance of the op amp to charge the capacitance. I need RC to be small, therefore R need to be small. I'm not quite sure these two resistors are in parallel or series. I think they're in series, but, could you help...
Right! That's a very good start point! Thanks a lot!
So the Op amps need to be at least twice as fast as the Fc (Nyquist). I have fix cap of 2pF. I need to design the "switch" transistors, bear in mind if it is in saturation or in the triode region.
One doubt I have is whether Ro of op amp...
Hi there! I need some help to get started with a project.
I have to design a simple sample and hold (S/H) stage. The S/H comprises a buffer amplifier and a sampling switch with a sampling capacitor (10MHz). The amplifier buffers the input so that the capacitor voltage must settle to within 1%...
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