Research Article
VM and CM Universal Filters Based on Single DVCCTA
Table 3
Comparative study of the available similar type of single active element-based VM filters.
| Reference | Active element used and number of passive components | Availability of universal filter responses (i.e., low-pass, band-pass, high-pass, notch, and all pass) | No inversion of input voltage | No requirement of gain of input signal such as 2 and 3 | Tunability | Simple/no matching condition |
| [11] | CCCCTA, 2 | Yes | No | No | Yes | Yes | [15] | DVCCCTA, 2 | No | Yes | Yes | Yes | Yes | [18] | DBTA, 5 | No | Yes | Yes | Yes | Yes | Proposed | DVCCTA, 3* | Yes | Yes | Yes | Yes | Yes |
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*Passive components may be reduced to 2 by replacing DVCCTA with DVCCCTA.
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