Bruce wrote: > Analog time constants of several hours are generally considered > impractical due to the lack of suitable low noise components > principally high value resistors and capacitors. > So how do you propose to get around this with an analog control loop?
Not too many years ago, high-impedance op-amps and teflon capacitors were the way to do this. The op-amp companies had application notes discussing "soakage"/dielectric absorption in these circuits. Tim. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
