Reference | No. of active building blocks | External resistors used | Is realization free from matching condition(s)? | Number of standard filter realized |
[2] | 1 | 3 | NO | 5 |
[4] | 1 | 4 | NO | 5 |
[5] | 1 | 3 | NO | 5 |
[6] | 1 | 2 | NO | 5 |
[7] | 1 | 3 | NO | 5 |
[8] | 3 | 5 | YES | 3 (LP, HP, BP) |
[9] | 3 | 5 | YES | 3 (LP, HP, BP) |
2 | 3 | YES | 4 (LP, HP, BP, AP) | |
1 | 2 | YES | 4 (LP, HP, BP, AP) | |
[10] | 1 | 2 | NO | 5 |
Proposed | 1 | 2 | YES | 5 |