Research Article
Current Conveyor All-Pass Sections: Brief Review and Novel Solution
Table 1
Comparative study.
| Circuit | VFs required | IVFs required | CFs required | Appropriate input, output impedances | AD-844s required for breadboarding |
| [1] | 1 | 0 | 1 | No | 2 | Modified [1] | 3 | 0 | 1 | Yes | 4 | Filter-4 in [16] | 2 | 1 | 2 | Yes | 4 | Proposed | 3 | 0 | 1 | Yes | 3 |
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