| Proposed realization | ||
Reference [17] | Case 1 | Case 2 | |
CFOAs | 4 | 4 | 3 |
FET | 1 | 0 | 0 |
Multipliers | 0 | 1 | 1 |
Capacitor | 0 | 1 | 1 |
Resistor | 6 | 3 | 3 |