Dr. Nagendra Kumar

Dr. Nagendra Kumar

Research Assistant Professor
Area: RF tunable filters 
Affiliation: Department of Electronics and Communication Engineering, Ramapuram Campus, SRM University.

Email: nagendrakumar.j@ktr.srmuniv.ac.in

Other Details:

Courses

• Antenna
• Basic Electronics

Research Interest

• Tunable filter

Selected Publications

• N. Kumar and Y. K. Singh, "RF-MEMS Based Bandpass to Bandstop Switchable Single and Dual-Band Filters with Variable FBW and Recongurable Selectivity," IEEE Trans. Microw. Theory Tech., DOI: 10.1109/TMTT.2017.2696004.
• N. Kumar and Y. K. Singh, "Compact constant bandwidth tunable wideband BPF with second harmonic suppression," IEEE microwave and wireless components letters, vol. 26, no. 11, pp. 870 - 872, Nov. 2016.
• N. Kumar and Y. K. Singh, "Compact Single/Dual Band BPF with Harmonic Suppression Using Open-Loop Resonator and L-Shaped Coupling Arm," IET Microw. Antenn. Propag., vol. 11, no. 05, pp. 625 - 633, May 2017.
• N. Kumar and Y. K. Singh, "Single/dual-band BPFs with spurious band suppression by using non-uniform coupled resonators," Progress In Electromagnetics Research, vol. 66, pp. 63-76, 2016.
• N. Kumar and Y. K. Singh, "Compact tri to dual passband switchable bandpass filter using stub-loaded split-ring resonator with improved bandwidth," Electronics Letters, vol. 51, no. 19, pp. 1510-1512, 2015.
• N. Kumar and Y. K. Singh, "Compact stub-loaded open-loop BPF with enhanced stopband by introducing extra transmission zeros," Electronics Letters, vol. 51, no. 2, pp. 164-166, 2015.
• N. Kumar and Y. K. Singh, "Compact tri-band bandpass filter using three stub-loaded open-loop resonator with wide stopband and improved bandwidth response," Electronics Letters, vol. 50, no. 25, pp. 1950-1952, 2014.

Papers Presented:

• N. Kumar and Y. K. Singh, "Tunable and Switchable Dual-Band BPF with Reconfigurable Selectivity and Bandwidth Control," in Microwave Conference (EuMC) 2016, October 3-7, 2016, London.
• N. Kumar and Y. K. Singh, "Switchable compact widestopband bandstop filter to wideband bandpass filter," Asia Pacific Microwave Conference 2015, December 6-9, 2015, Nanjing, China.
• N. Kumar and Y. K. Singh, "Switchable Low Pass to High Pass filter using RF MEMS switches," International conference on emerging technologies: Micro To Nano (ETMN) 2015, October 24-25, 2015, Rajasthan, India.
• N. Kumar and Y. K. Singh, "RF MEMS Based Switchable Tri/Dual/Single-Band Bandstop Filter using Stub Loaded Open Loop Resonator," International symposium on antennas and propagation 2014, December 17-19, 2014, Cochin University of Science & Technology, Cochin, India.
• N. Kumar and Y. K. Singh, "Bandpass to bandstop switchable and tunable filter," International Conference on MEMS and Sensors (ICMEMSS) 2014, December 18-20, 2014, IIT Madras, Chennai, India.