WHOA! Negative Capacitor in LowPass
See...
"NegCapacitor_Used_in_LowPass.png" on the S.E.D/Schematics Page of my website.
Note the phase!
This was whipped up using idealized components... now to go back and do it with OpAmps and see if it behaves. ...Jim Thompson
-- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | STV, Queen Creek, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at