Research Article
Additional High Input Low Output Impedance Analog Networks
Table 1
First-order voltage-mode all-pass filters.
| Circuits ā | Choice of passive components | Filter type | | | | | Matching condition |
| Filter 1 | Open circuit | | Open circuit | 1/ | No | Inverting | Filter 2 | Open circuit | 1/ | Open circuit | | No | Noninverting | Filter 3 | 1/ | | 1/ | Open circuit | | Inverting | Filter 4 | | 1/ | | Open circuit | | Noninverting |
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