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Single-stage fully recycling folded cascode OTA for switched-capacitor circuits
A single-stage multi-path operational transconductance amplifier (OTA) is presented. The proposed amplifier uses the transconductance enhancing technique in an upgraded folded cascode (FC) amplifier. It significantly improves the DC gain, unity-gain bandwidth and slew rate compared with previous FC...
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| Published in: | Electronics letters 2015-06, Vol.51 (13), p.977-979 |
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| Main Author: | |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c3444-c26954069d40f5bb40e8302e58b85dd10692d95a451c00008483ec313f51fc143 |
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| cites | cdi_FETCH-LOGICAL-c3444-c26954069d40f5bb40e8302e58b85dd10692d95a451c00008483ec313f51fc143 |
| container_end_page | 979 |
| container_issue | 13 |
| container_start_page | 977 |
| container_title | Electronics letters |
| container_volume | 51 |
| creator | Akbari, M |
| description | A single-stage multi-path operational transconductance amplifier (OTA) is presented. The proposed amplifier uses the transconductance enhancing technique in an upgraded folded cascode (FC) amplifier. It significantly improves the DC gain, unity-gain bandwidth and slew rate compared with previous FC amplifiers with the same power consumption. Simulation results in 90 nm complementary metal-oxide semiconductor (CMOS) technology show that the proposed OTA achieves a 59.1 dB DC gain and a gain bandwidth of 650 MHz, which makes it suitable for fast-settling switched-capacitor circuits. |
| doi_str_mv | 10.1049/el.2015.1053 |
| format | article |
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| identifier | ISSN: 0013-5194 |
| ispartof | Electronics letters, 2015-06, Vol.51 (13), p.977-979 |
| issn | 0013-5194 1350-911X 1350-911X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1808067510 |
| source | Wiley-Blackwell Open Access Collection |
| subjects | Amplification Bandwidth Circuits Circuits and systems CMOS integrated circuits CMOS technology complementary metal‐oxide semiconductor DC gain Gain gain 59.1 dB Metal oxide semiconductors Noise levels Operational amplifiers power consumption Semiconductors single‐stage fully recycling folded cascode OTA single‐stage multipath operational transconductance amplifier size 90 nm slew rate switched capacitor networks switched‐capacitor circuits transconductance enhancing technique unity‐gain bandwidth upgraded folded cascode amplifier |
| title | Single-stage fully recycling folded cascode OTA for switched-capacitor circuits |
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