TY  - BOOK
AU  - Schaumann, Rolf Ghausi, M.S.
TI  - Design of analog filters: passive,active RC,and switched capacitor
U1  - 621.381532 
PY  - 1990///
CY  - Englewood Cliffs
PB  - Prentice Hall
KW  - Electric Fillers
KW  - capacitors
ER  -