| Reference [7] | Proposed realization | |
LPF | HPF | ||
Active elements | 7 CFOA | 6 CFOA | 5 CFOA |
External resistors | 2 grounded and 6 floating | 2 grounded and 6 floating | 5 grounded and 1 floating |
External Capacitor | 3 grounded and 2 floating | 5 grounded | 1 grounded and 4 floating |