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  • 2020
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Author

  • Ramesh Pokharel
Article

22-GHz-Band Oscillator Using Integrated H-Shape Defected Ground Structure Resonator in 0.18-μ m CMOS Technology

Jahan, N., Ab Rahim, S. A. E., Mosalam, H., Barakat, A., Kaho, T. & Pokharel, R. K., Mar 2018, In : IEEE Microwave and Wireless Components Letters. 28, 3, p. 233-235 3 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

60 GHz millimeter-wave CMOS integrated on-chip open loop resonator bandpass filters on patterned ground shields

Pokharel, R., Liu, X., Mat, D. A. A., Dong, R., Kanaya, H. & Yoshida, K., Feb 2013, In : IEICE Transactions on Electronics. E96-C, 2, p. 270-276 7 p.

Research output: Contribution to journalArticle

60 GHz on-chip mixed coupled BPF with H-shaped defected ground structures

Barakat, A., Pokharel, R. & Kaho, T., Apr 1 2016, In : Electronics Letters. 52, 7, p. 533-535 3 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

A 0.9-3.5 GHz high linearity, good efficiency CMOS broadband power amplifier using stagger tuning technique

Sapawi, R., Pokharel, R. K., Awang Mat, D. A., Kanaya, H. & Yoshida, K., Dec 1 2012, In : Microwave and Optical Technology Letters. 54, 12, p. 2881-2884 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

A 10-bit 50MS/s 350 μw small die area capacitive digital-to-analog converter for bluetooth applications

Kanemoto, D., Oshiro, K., Yoshida, K., Pokharel, R. & Kanaya, H., 2014, In : IEEJ Transactions on Electronics, Information and Systems. 134, 2, p. 328-329 2 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

A 12 to 24GHz high efficiency fully integrated 0.18μm CMOS power amplifier

Mosalam, H., Allam, A., Jia, H., Abdelrahman, A., Kaho, T. & Pokharel, R., 2016, In : IEICE Electronics Express. 13, 14, 20160551.

Research output: Contribution to journalArticle

3 Citations (Scopus)

A-193 (dBc/Hz) FoM and -126 (dBc/Hz) phase noise octagonal ring oscillator using pulse injection technique

Yousef, K., Jia, H., Allam, A., Pokharel, R., Abdel-Rahman, A. & Kanaya, H., Jul 1 2016, In : Microwave and Optical Technology Letters. 58, 7, p. 1760-1762 3 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A compact low power ultra wideband impulse generator on 0.18 μm CMOS technology

Dong, R., Pokharel, R. K., Kanaya, H. & Yoshida, K., May 1 2011, In : Microwave and Optical Technology Letters. 53, 5, p. 1128-1131 4 p.

Research output: Contribution to journalArticle

A design methodology for SAR ADC optimal redundancy bit

Okazaki, T., Kanemoto, D., Pokharel, R., Yoshida, K. & Kanaya, H., 2014, In : IEICE Electronics Express. 11, 10, 20140218.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A highly attenuative CMOS LNA at 5-6 GHz using negative GM circuit for UWB applications

Koirala, N., Anand, A., Pokharel, R. K., Kanaya, H. & Yoshida, K., Apr 1 2013, In : Microwave and Optical Technology Letters. 55, 4, p. 894-899 6 p.

Research output: Contribution to journalArticle

A low flicker noise direct conversion receiver for IEEE 802.11g wireless LAN using differential active inductor

Abdelghany, M. A., Pokharel, R. K., Kanaya, H. & Yoshida, K., Feb 1 2011, In : Microelectronics Journal. 42, 2, p. 283-290 8 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

A low phase noise FBAR based multiband VCO design

Zhang, G., Kochhar, A., Yoshida, K., Tanaka, S., Hashimoto, K., Esashi, M., Kanaya, H. & Pokharel, R. K., 2013, In : IEICE Electronics Express. 10, 13, 20130425.

Research output: Contribution to journalArticle

2 Citations (Scopus)

A low power UWB low noise amplifier using current reused and feedback techniques

Galal, A. I. A., Pokharel, R., Kanaya, H. & Yoshida, K., Feb 1 2012, In : Microwave and Optical Technology Letters. 54, 2, p. 471-474 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Analysis and Implementation of High-Q CT Inductor for Compact and Wide- Tuning Range Ku-Band VCO

Mansour, I., Aboualalaa, M., Barakat, A., Allam, A., Abdel-Rahman, A. B., Abo-Zahhad, M. & Pokharel, R. K., Aug 2020, In : IEEE Microwave and Wireless Components Letters. 30, 8, p. 802-805 4 p., 9134404.

Research output: Contribution to journalArticle

Analytical method to determine optimal out-of-band gain in multi-bit delta-sigma modulator

Anand, A., Koirala, N., Pokharel, R. K., Kanaya, H. & Yoshida, K., Jan 1 2012, In : IEICE Electronics Express. 9, 20, p. 1598-1603 6 p.

Research output: Contribution to journalArticle

A novel high-precision DAC utilizing tribonacci series

Hokazono, K., Kanemoto, D., Kanaya, H., Pokharel, R. & Yoshida, K., Mar 25 2012, In : IEICE Electronics Express. 9, 6, p. 515-521 7 p.

Research output: Contribution to journalArticle

A self-biasing class-E power amplifier for 5-GHz constant envelope modulation system

Yamashita, Y., Kanemoto, D., Kanaya, H., Pokharel, R. K. & Yoshida, K., 2013, In : IEICE Electronics Express. 10, 8, 20130174.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Asymmetric wireless power transfer systems using coupled DGS resonators

Hekal, S., Abdel-Rahman, A. B., Allam, A., Jia, H., Barakat, A. & Pokharel, R. K., 2016, In : IEICE Electronics Express. 13, 21, 20160591.

Research output: Contribution to journalArticle

7 Citations (Scopus)

A third order delta-sigma modulator employing shared opamp technique for WCDMA on 0.18um CMOS

Fahmy, G., Kanemoto, D., Kanaya, H., Yoshida, K., Pokharel, R. & Anand, A., Aug 10 2011, In : IEICE Electronics Express. 8, 15, p. 1204-1209 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

A wide range CMOS power amplifier with improved group delay variation and gain flatness for UWB transmitters

Sapawi, R., Pokharel, R., Kanaya, H. & Yoshida, K., Jan 1 2012, In : IEICE Transactions on Electronics. E95-C, 7, p. 1182-1188 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

A wide tuning range CMOS quadrature ring oscillator with improved FoM for inductorless reconfigurable PLL

Pokharel, R. K., Lingala, S., Anand, A., Nugroho, P., Tomar, A., Kanaya, H. & Yoshida, K., Oct 2011, In : IEICE Transactions on Electronics. E94-C, 10, p. 1524-1532 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

CMOS ultra-wideband low noise amplifier design

Yousef, K., Jia, H., Pokharel, R., Allam, A., Ragab, M., Kanaya, H. & Yoshida, K., 2013, In : International Journal of Microwave Science and Technology. 328406.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Compact frequency reconfigurable filtennas using varactor loaded T-shaped and H-shaped resonators for cognitive radio applications

Atallah, H. A., Abdel-Rahman, A. B., Yoshitomi, K. & Pokharel, R. K., Jun 18 2016, In : IET Microwaves, Antennas and Propagation. 10, 9, p. 991-1001 11 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)
7 Citations (Scopus)

Compact Size On-Chip 60 GHz H-Shaped Resonator BPF

Mahmoud, N., Barakat, A., Abdel-Rahman, A. B., Allam, A. & Pokharel, R. K., Sep 2016, In : IEEE Microwave and Wireless Components Letters. 26, 9, p. 681-683 3 p., 7542143.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Compact Wireless Power Transfer System Using Defected Ground Bandstop Filters

Hekal, S., Abdel-Rahman, A. B., Jia, H., Allam, A., Barakat, A., Kaho, T. & Pokharel, R., Oct 1 2016, In : IEEE Microwave and Wireless Components Letters. 26, 10, p. 849-851 3 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
19 Citations (Scopus)
3 Citations (Scopus)

Design Approach for Efficient Wireless Power Transfer Systems during Lateral Misalignment

Barakat, A., Yoshitomi, K. & Pokharel, R. K., Sep 2018, In : IEEE Transactions on Microwave Theory and Techniques. 66, 9, p. 4170-4177 8 p., 8412753.

Research output: Contribution to journalArticle

9 Citations (Scopus)
1 Citation (Scopus)

Design of dual band-notched CPW-fed UWB planar monopole antenna using microstrip resonators

Atallah, H. A., Abdel-Rahman, A. B., Yoshitomi, K. & Pokharel, R. K., Jan 1 2016, In : Progress in Electromagnetics Research Letters. 59, p. 51-56 6 p.

Research output: Contribution to journalArticle

Open Access
17 Citations (Scopus)

Design of Low-Loss Coplanar Transmission Lines Using Distributed Loading for Millimeter-Wave Power Divider/Combiner Applications in 0.18-μm CMOS Technology

Abd El-Hameed, A. S., Barakat, A., Abdel-Rahman, A. B., Allam, A. & Pokharel, R. K., Dec 2018, In : IEEE Transactions on Microwave Theory and Techniques. 66, 12, p. 5221-5229 9 p., 8506598.

Research output: Contribution to journalArticle

2 Citations (Scopus)
6 Citations (Scopus)

Development of low phase noise digitally controlled CMOS ring oscillator with quadrature outputs

Nugroho, P., Pokharel, R. K., Anand, A., Tomar, A., Kanaya, H. & Yoshida, K., Jun 1 2012, In : Microwave and Optical Technology Letters. 54, 6, p. 1479-1483 5 p.

Research output: Contribution to journalArticle

Dual Band VCO Based on a High-Quality Factor Switched Interdigital Resonator for the Ku Band Using 180-nm CMOS Technology

Mansour, I., Aboualalaa, M., Allam, A., Abdel-Rahman, A. B., Abo-Zahhad, M. & Pokharel, R. K., Dec 2018, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 65, 12, p. 1874-1878 5 p., 8320300.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Energy harvesting circuit on a one-sided directional flexible antenna

Kanaya, H., Tsukamaoto, S., Hirabaru, T., Kanemoto, D., Pokharel, R. K. & Yoshida, K., Feb 28 2013, In : IEEE Microwave and Wireless Components Letters. 23, 3, p. 164-166 3 p., 6468126.

Research output: Contribution to journalArticle

59 Citations (Scopus)

Flicker noise reduction in RF CMOS mixer using differential active inductor

Abdelghany, M. A., Pokharel, R. K., Kanaya, H. & Yoshida, K., Nov 1 2011, In : Microwave and Optical Technology Letters. 53, 11, p. 2553-2556 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

General silicon-on-insulator higher-order mode converter based on substrip dielectric waveguides

Abu-Elmaaty, B. E., Sayed, M. S., Pokharel, R. K. & Shalaby, H. M. H., Mar 1 2019, In : Applied Optics. 58, 7, p. 1763-1771 9 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

High Efficiency and Small Group Delay Variations 0.18-μ m CMOS UWB Power Amplifier

Mosalam, H., Allam, A., Jia, H., Abdel-Rahman, A. B. & Pokharel, R. K., Apr 2019, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 66, 4, p. 592-596 5 p., 8464178.

Research output: Contribution to journalArticle

3 Citations (Scopus)

High-Efficiency CMOS RF-to-DC Rectifier Based on Dynamic Threshold Reduction Technique for Wireless Charging Applications

Mohamed, M. M., Fahmy, G. A., Abdel-Rahman, A. B., Allam, A., Barakat, A., Abo-Zahhad, M., Jia, H. & Pokharel, R. K., Aug 21 2018, In : IEEE Access. 6, p. 46826-46832 7 p., 8443341.

Research output: Contribution to journalArticle

9 Citations (Scopus)

High linearity technique for ultra-wideband low noise amplifier in 0.18 μm CMOS technology

Galal, A. I. A., Pokharel, R., Kanaya, H. & Yoshida, K., Jan 1 2012, In : AEU - International Journal of Electronics and Communications. 66, 1, p. 12-17 6 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

High-Q SWCPL for CMOS millimeter-wave technology

Mat, D. A. A., Pokharel, R., Sapawi, R., Kanaya, H. & Yoshida, K., Aug 24 2012, In : IEICE Electronics Express. 9, 15, p. 1284-1289 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Improved gain 60GHz CMOS antenna with N-well grid

Barakat, A., Allam, A., Elsadek, H., Abdel-Rahman, A. B., Pokharel, R. K. & Kaho, T., Feb 19 2016, In : IEICE Electronics Express. 13, 5, 20151115.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Independent Matching Dual-Band Compact Quarter-Wave Half-Slot Antenna for Millimeter-Wave Applications

Aboualalaa, M., Mansour, I., Elsadek, H., Abdel-Rahman, A. B., Allam, A., Abo-Zahhad, M., Yoshitomi, K. & Pokharel, R. K., Jan 1 2019, In : IEEE Access. 7, p. 130782-130790 9 p., 8831375.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

Linearity improvement of 5.2-GHz CMOS up-conversion mixer for wireless applications

Murad, S. A. Z., Shahimin, M. M., Pokharel, R. K., Kanaya, H. & Yoshida, K., Apr 1 2012, In : Microwave and Optical Technology Letters. 54, 4, p. 923-925 3 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Low group delay 3.1-10.6 GHz CMOS power amplifier for UWB applications

Sapawi, R., Pokharel, R. K., Murad, S. A. Z., Anand, A., Koirala, N., Kanaya, H. & Yoshida, K., Jan 1 2012, In : IEEE Microwave and Wireless Components Letters. 22, 1, p. 41-43 3 p., 6108314.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Low-phase-noise, high switching speed digitally controlled ring oscillator in 0.18μm complementary metal oxide semiconductor

Tomar, A., Lingala, S., Pokharel, R. K., Kanaya, H. & Yoshida, K., Apr 1 2011, In : Japanese journal of applied physics. 50, 4 PART 2, 04DE10.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Low phase noise 14-bit digitally controlled CMOS quadrature ring oscillator

Pokharel, R., Nugroho, P., Anand, A., Tomar, A., Kanaya, H. & Yoshida, K., Feb 2013, In : IEICE Transactions on Electronics. E96-C, 2, p. 262-269 8 p.

Research output: Contribution to journalArticle