A new approach to the design of bilinear-LDI switched-capacitor filters having low passband sensitivity
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Bibliographic record
Abstract
An approach to the design of low-sensitivity switched-capacitor (SC) filter is described. In this approach, the continuous-time reference transfer function is decomposed into a sum of two individual functions, and each function is realized as the transfer function of a voltage-divider network consisting of a resistance as its series arm and a reactive impedance as its shunt arm. The bilinear-LDI (lossless discrete integrator) design technique is applied to the SC realization of the two voltage-divider networks. These individual realizations are combined to form the SC realization of the overall filter. The resulting filter requires n+1 operational amplifiers (OAs) for its realization, where n is the order of the reference transfer function. For illustration purposes, the proposed approach is applied to the bilinear-LDI SC design of a practical sixth-order elliptic bandpass filter. It is shown that the filter exhibits low sensitivity to dominant-pole OA effects.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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