Asst.Prof.Dr. Chatrpol Pakasiri’s profile

Office Location: The 55-Year Chalermprakiat Building, room 404
Phone: 02-329-8264 ext. 2182
Education: B.S. KMITL, Thailand, M.S. University of Houston, U.S.A., M.S. National Chiao Tung University, Taiwan, Ph.D. University of Houston, U.S.A.
Professional Experience:
Awards and honors:

Research Interest: Wireless Communication, electromagnetic compatibility research, RF/Microwave active and passive Design, numerical Method for Electromagnetics Research



1. Pakasiri, C., Wang, S., “Dual-band compact wilkinson power divider using common inductor and complex load,” IEEE Access 2020.

2. Pakasiri, C., You, J.-H., Wang, S., “A low-phase-noise and low-power CMOS colpitts VCO using Gm boosting and capacitance switching techniques,” Microwave and Optical Technology Letters 2020.

3. Pakasiri, C., Zhu, F.-S., Wang, S., “A 4-bit ultra-wideband complementary metal-oxide- semiconductor attenuator with low root-mean-square amplitude error,” International Journal of RF and Microwave Computer-Aided Engineering 2019.

4. Pakasiri, C., K.-C., Hsu, Wang, S., “Low‐loss and highly‐selective differential bandpass filter on integrated passive device process,” Microwave and Optical Technology Letters, Vol. 60, no. 4, 2018

5. Pakasiri, C., Wang, S., “A compact UHF dual‐band rat‐race coupler with complex impedance load,” Microwave and Optical Technology Letters, Vol. 60, no. 10, 2018

6. Tsai, C.H., Liao, I.N., Pakasiri, C., Pan H.C., Wang, Y.J., “A wideband 20mW rectifier in CMOS”, IEEE Micro. and Wireless Com. Letters., Jun. 2015, vol 25, issue 6, pp. 388-390.

7. Wang, Y.J., Liao, I.N., Tsai, C.H., Pakasiri, C., “A millimeter-wave in-phase gate-boosting rectifier”, IEEE Trans. Micro. Theory and Tech., Nov. 2014, vol 62, issue 11, pp. 2768-2783.

8.  Pakasiri, C. and Torrungrueng, D., “Forward-backward Method with a Spectral Acceleration Algorithm for Capacitance Extraction of Planar Structures on a Single-Layered Medium”, Microwave and Optical Technology Letters, vol. 56, no. 3, March 2014, pp. 694-700.


1. Manasammakij, P., Pongthavornkamol, T., Pakasiri, C., “Simple Class F Power Amplifier Design with Fundamental Frequency Tuning,” IEECON 2020

2. Nithiporndecha, K., Wang, S., Pakasiri, C., ” Compact Wilkinson Power Divider Using Composite Right/Left-Handed Transmission Line on CMOS Process,” IEECON 2020

3. Pakasiri, C., Yang, N.-S., Wang, S., “ A Compact 1-5.2 GHz Wideband Low Noise Amplifier,” APCCAS 2019

4. Pakasiri, C., Kongchayasukwat, T., “Improvement of transmission line circuit on lossy substrate with application on phase shifter design,” IEECON 2019

5. Mangmisirisap, K., Bandudej, K., Pakasiri, C., “ Wireless power transfer system design using electrically small HF loop antennas,” IEECON 2019

6. Kittipon Kankhunthod, Lertsak Lekawat and Charpol Pakasiri, “Improvement of HF RFID Reader Performance under Metallic Environment Using Ferrite Sheet”, ISAP 2017, Oct.30 ? Nov. 2, 2017.

7. Charpol Pakasiri, Kittipong Nithiporndecha, “A 433 MHz Compact Complex Impedance-Transforming Balun”, ISAP2017, Oct.30 Nov. 2, 2017.

8. Chatrpol Pakasiri, “Simple method for surface-mount device frequency characterization”, ICEIC2017 pp. 201-204, 2017.

9. Kittipon Kankhunthod, Chatrpol Pakasiri, “Study Performance of Near-Field HF Antenna using Undercover Ferrite Sheet”, The 2017 International Electrical Engineering Congress, pp.493-496, 2017.