background I'm essentially making an mixed-signal/analog computer(to accelerate certain mathematical operations). I'm looking to create many AC filters (of different types) at low frequencies (sub 500Hz) Currents & Voltages are unimportant (I can make the voltage and current really low or really high if necessary)
the problem The problem I have been running into is that I often need HUGE capacitors(even with low voltage) and inductors(even with low currents) to get the job done. I've used active filters to solve the problem in the past, but the extra components they require usually wind up taking up the same amount of space.
(if possible) I'd like to stick with through-hole components so I can prototype, but surface mount is fine too. Higher signal integrity is preferable to low signal integrity, but I can make sacrifices.
Any ideas on what I can do to keep things small(cheap is always a plus)?