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dc.contributor.authorKaliyath, Y.-
dc.contributor.authorLaxminidhi, T.-
dc.date.accessioned2020-03-31T06:51:08Z-
dc.date.available2020-03-31T06:51:08Z-
dc.date.issued2019-
dc.identifier.citationIETE Journal of Research, 2019, Vol.65, 6, pp.749-757en_US
dc.identifier.uri10.1080/03772063.2018.1464968-
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/9537-
dc.description.abstractThis paper presents a low-power inverter-based gain-boosted operational transconductance amplifier (OTA) for switched capacitor (SC) circuits operating at higher supply voltage (>1 V). The proposed OTA is implemented using UMC 180 nm CMOS technology with a supply voltage of 1.8 V and it offers a high dc gain with a unity gain bandwidth (UGB) suitable for audio applications. All the transistors of the proposed OTA are operated in sub-threshold region to minimize the power consumption. Gain-boosting technique is employed to achieve a higher dc gain. The post-layout simulations demonstrate the robust performance of the proposed OTA, which delivers a high dc gain of 109.3 dB and a UGB of 5.29 MHz at 81 phase margin (PM) with a capacitive load of 2.5 pF for a typical process corner at room temperature (27 C). The proposed OTA draws a quiescent current ((Formula presented.)) of 4.79 A, resulting in a power consumption of 8.62 W. 2019, 2019 IETE.en_US
dc.titleA 1.8 V 8.62 W Inverter-based Gain-boosted OTA with 109.3 dB dc Gain for SC Circuitsen_US
dc.typeArticleen_US
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