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Title: A 1.8 V 330 µW Tunable Waveform Generator for Sensor and Instrumentation Applications
Authors: Panda, Apurbaranjan
Singh, Ashutosh
Kar, Sougata Kumar
Keywords: Waveform generator
Schmitt trigger
gm-C integrator
Amplitude and frequency tuning
Issue Date: Dec-2018
Citation: 15th IEEE India Council International Conference (INDICON 2018), Coimbatore, India, 16-18 December, 2018
Abstract: In this paper a tunable waveform generator (WFG) architecture is presented. This architecture provides wide frequency tuning range and consumes less power, which makes it useful for low frequency instrumentation applications. The proposed WFG is designed in UMC 180-nm CMOS process technology with a single supply voltage of 1.8 V. Though the architecture utilizes conventional OTA based Schmitt trigger and gm-C integrator, it provides independent control over amplitude and frequency tuning. The amplitude tuning is also symmetric around the mid-rail voltage. The proposed scheme achieves peak to peak amplitude tuning of 0.35 V to 1.17 V and frequency tuning from 6.3 kHz to 2.7 MHz.
Description: Copyright of this document belongs to proceedings publisher.
Appears in Collections:Conference Papers

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