Research Article
Voltage Mode Universal Biquad Using CCCII
Table 1
The , , , and values selection for each filter function response.
| Filter response | Inputs | | | | | |
| Low-pass filter | 1 | 0 | 0 | 0 | High-pass filter | 0 | 0 | 1 | 1 | Band-pass filter | 0 | 0 | 1 | 0 | All-pass filter | 1 | −1 | 1 | 1 | Notch filter | 1 | 0 | 1 | 1 |
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