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0.5-V fully differential allpass section

Title0.5-V fully differential allpass section
Publication TypeConference Proceedings
Year of Publication2560
Authorsปัณณวิชญ์ ภัทร์สรณ์สิริ
Conference Name2016 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)
Date PublishedJanuary 2017
Conference LocationPhuket, Thailand
ISBN Number978-1-5090-0629-8
KeywordsBand-pass filters, Capacitors, Power harmonic filters, Resistors, Transconductance, Transistors

This paper presents a new first-order allpass filter using bulk-driven transconductor which is suitable for biological signal processing applications. The proposed filter employs one transconductor, one resistor and two capacitors. The bulk-driven MOS transistor technique is used to provide 0.5 V supply voltage operation. The workability of the proposed topology is expressed through PSPICE simulators using TSMC 0.18 μm n-well CMOS process. Simulation results show that the circuit consumes the power of 11.7 μW and has total harmonic distortion (THD) of 1% for input signal of 30 mV P-P .