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Article

Design of Voltage Mode Electronically Tunable First Order All Pass Filter in ±0.7 V 16 nm CNFET Technology

1
School of Electrical Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia
2
Institute for Integrated Engineering, Universiti Tun Hussein Onn, Johor 86400, Malaysia
3
Department of Electrical Engineering, Umm Al Qura University, Makkah 21955, Saudi Arabia
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(1), 95; https://doi.org/10.3390/electronics8010095
Received: 11 November 2018 / Revised: 7 January 2019 / Accepted: 9 January 2019 / Published: 15 January 2019
(This article belongs to the Special Issue Signal Processing and Analysis of Electrical Circuit)
A novel voltage mode first order active only tuneable all pass filter (AOTAPF) circuit configuration is presented. The AOTAPF has been designed using ±0.7 V, 16 nm carbon nanotube field effect transistor (CNFET) Technology. The circuit uses CNFET based varactor and unity gain inverting amplifier (UGIA). The presented AOTAPF is realized with three N-type CNFETs and without any external passive components. It is to be noted that the realized circuit uses only two CNFETs between its supply-rails and thus, suitable for low-voltage operation. The electronic tunability is achieved by varying the voltage controlled capacitance of the employed CNFET varactor. By altering the varactor tuning voltage, a wide tunable range of pole frequency between 34.2 GHz to 56.9 GHz is achieved. The proposed circuit does not need any matching constraint and is suitable for multi-GHz frequency applications. The presented AOTAPF performance is substantiated with HSPICE simulation program for 16 nm technology-node, using the well-known Stanford CNFET model. AOTAPF simulation results verify the theory for a wide frequency-range. View Full-Text
Keywords: APF; CNFET; pole-frequency; chirality; phase angle; tuning APF; CNFET; pole-frequency; chirality; phase angle; tuning
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MDPI and ACS Style

Masud, M.; A’ain, A.; Khan, I.; Husin, N. Design of Voltage Mode Electronically Tunable First Order All Pass Filter in ±0.7 V 16 nm CNFET Technology. Electronics 2019, 8, 95. https://doi.org/10.3390/electronics8010095

AMA Style

Masud M, A’ain A, Khan I, Husin N. Design of Voltage Mode Electronically Tunable First Order All Pass Filter in ±0.7 V 16 nm CNFET Technology. Electronics. 2019; 8(1):95. https://doi.org/10.3390/electronics8010095

Chicago/Turabian Style

Masud, Muhammad, Abu A’ain, Iqbal Khan, and Nasir Husin. 2019. "Design of Voltage Mode Electronically Tunable First Order All Pass Filter in ±0.7 V 16 nm CNFET Technology" Electronics 8, no. 1: 95. https://doi.org/10.3390/electronics8010095

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