Reference | Active Element | Number of Active Element(s) | Number of GC | Number of FC | Number. of Resistors | Whether OC and OF are Independently Controllable? |
[5] | CFOA | 1 | 1 | 1 | 3 | YES |
[6] | CC-II (+) | 1 | 1 | 1 | 3 | YES |
[7] | CC-II (−) + Buffer | 2 | 2 | 0 | 3 | YES |
[8] | PFTFN | 1 | 1 | 1 | 3 | YES |
[9] | PNFTN | 1 | 2 | 0 | 4 | NO |
[10] | NFTFN + Buffer | 2 | 2 | 0 | 3 | YES |
[11] | DVCCC | 1 | 2 | 0 | 3 | YES |
[12] | DVCCC | 1 | 2 | 0 | 3/2 | YES |
[13] | CDBA | 1 | 1 virtually grounded) | 1 | 3 | YES( only in second topology of Table 1) |
[14] | OTRA | 1 | 1 virtually grounded) | 1 | 3 | NO |
[15] | CDTA | 1 | 1 | 1 | 2 | YES |
[16] | VD-DIBA | 2 | 2 | 0 | 1 | YES |
[17] | VDIBA | 2 | 1 | 1 | 1 | NO |
[22] | VD-DIBA | 1 | 2 | 0 | 2 | YES |
[23] | VD-DIBA | 1 | 1 | 1 | 2 | YES |
Proposed | VDIBA | 2 | 1 | 1 | 1 | YES |