Research Article
A Self-Biased Active Voltage Doubler for Energy Harvesting Systems
Table 1
Comparison with several available active rectifiers.
| Reference | [3] | [7] | [14] | This Work | Year | 2012 | 2015 | 2013 | 2017 | Technology | 0.18 μm | 0.18 μm | 0.35 μm | 0.15 μm | Topology | Op-amp based active rectifier | Self-Powered Rectifier | Series SSHI | Self-Biased Doubler | Input voltage | 2.8 V | 3 V | 3.7 V | 0.8 V | Operating frequency | 200 Hz | 200 Hz | 200 Hz | 200 Hz | Output voltage | 2.78 V | 2.9 V | 3.63 V | 0.98 V | Area | 0.24 mm2 | 0.016 mm2 | 0.016 mm2 | 0.001 mm2 | PCE | 90% | 91.2% | 90% | 61.7% | Inductor | No | No | Yes | No | Load | kΩ μF | kΩ | kΩ | KΩ μF |
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