RF/microwave/mm-wave

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Year 2013

Kwang-Jin Koh and Seyed Yahya Mortazavi, "A Finite Delay Response Harmonic Filter," IEEE Trans. on Microwave Theory and Technique, Vol. 61, No. 2, pp.325 - 336, November 2013.
J.-Y Bae, S. Kim, H.-S. Cho, I.-Y. Lee, D.S. Ha, and S.-G. Lee, "A CMOS Wideband Highly Linear Low-Noise Amplifiers for Digital TV Applications," IEEE Transactions on Microwave Theory and Techniques, Vol. 61, No. 10, pp.3700 - 3711, October 2013.

Year 2012

S. Wang, V. Chawla, D.S. Ha, and B. Kim, “Low-Voltage Low-Power 1.6 GHz Quadrature Signal Generation through Stacking a Transformer-Based VCO and a Divide-by-two,” IEEE Transactions on Circuits and Systems - I, Vol. 59, No. 12, pp. 2901-2910, December 2012.
D.-Y. Yoon, C.-J. Jeong, J. Cartwright, H.-Y. Kang, S.-K. Han, N.-S. Kim, D.S. Ha, and S.-G. Lee, “A New Approach to Low-power and Low-latency Wake-up Receiver System for Wireless Sensor Nodes,“ IEEE Journal of Solid-State Circuits, Vol. 47, No. 10, pp. 2405 – 2419, October 2012.
Sang Young Kim, Dong-Woo Kang, Kwang-Jin Koh, and Gabriel M. Rebeiz, "An Improved Wideband All-Pass I/Q Network for Millimeter-Wave Phase-Shifters," IEEE Trans. on Microwave Theory and Technique, vol. 60, No. 11, pp.3431 - 3439, November. 2012
Kwang-Jin Koh, "Silicon RF Phased Array at X-, Q-, W-Band and Beyond," IEEE International Solid-State Circuits Conference (ISSCC)-Forum: Beamforming Technique and RF Transceiver Design, Feb. 2012.
P. Ralston, M. Oliver, S. Raman, “Liquid Metal Vertical Interconnects for Flip-Chip Assembly of GaAs C-band Power Amplifiers onto Micro-Rectangular Coaxial Transmission Lines,” J. of Solid-State Circuits, Vol. 47, No. 10, October 2012.
P. Ralston, M. Oliver, K. Vummidi, and S. Raman, “Liquid Metal Vertical Interconnects for Flip-Chip Assembly of GaAs C-band Power Amplifiers onto Micro-Rectangular Coaxial Transmission Lines,” 2011 Compound Semiconductor IC Symposium Digest, Kona, HI, Oct. 16-19, 2011.
P. Ralston, K. Vanhille, A. Caba, M. Oliver, S. Raman, “Test and Verification of Micro Coaxial Line Power Performance,” to be presented at the 2012 IEEE MTT-S International Microwave Symposium, Montreal, Quebec, Canada, June 17-22, 2012.
S. Raman, C.L. Dohrman, T.-H. Chang, J.S. Rodgers, “The DARPA Diverse Accessible Heterogeneous Integration Program: Towards a Next-Generation Technology Platform for High-Performance Microsystems,” presented at the 2012 International Conference on Compound Semiconductor Manufacturing Technology (CS MANTECH), Boston, MA, April 23-26, 2012.
L. Chen, J. Wood, S. Raman, N.S. Barker, “Vertical RF Transition with Mechanical Fit for Three-Dimensional Heterogeneous Integration,” IEEE Trans. on Microwave Theory and Techniques, vol. 60, no. 3, pp. 647-654, Mar. 2012.
J.M. Oliver, K. Vanhille, J.M. Rollin, S. Raman, “A W-band Micromachined 3-D Cavity-Backed Patch Antenna Array with Integrated Diode Detector,” IEEE Trans. on Microwave Theory and Techniques, vol. 60, no. 2, pp. 284-292, Feb. 2012.

Year 2011

G. M. Rebeiz, Kwang-Jin Koh, Tiku Yu, Dongwoo Kang, Choul Young Kim, Y. Atesal, B. Cetinoneri, Sang Young Kim, K. Ho, Donghyup Shin, “Highly dense microwave and millimeter-wave phased array T/R modules using CMOS and SiGe RFICs,” IEEE 12th Annual Wireless and Microwave Technology Conference, pp. 1-5, Oct. 2011.
S. Wang, D.S. Ha, B. Kim, and V. Chawla, “A Combined VCO and Divide-by-Two for Low-Voltage Low-Power 1.6 GHz Quadrature Signal Generation,” IEEE Custom Integrated Circuits Conference (CICC), (4 pages), September 2011.
Y. Shim, S. Yuwono, S.-J. Kim, J.-M. Kim, S.-K. Han, S.-G. Lee, and D.S. Ha, “A 520 pJ/pulse IR-UWB Radar for Short Range Object Detection,” IEEE RFIC Symposium, RMO2A-4 (4 pages), June 2011.
J.K. Kim, J. Jeong, D.S. Ha, and H-S Lee, “Low-Power Quadrature VCO Design for Medical Implant Communication Service,” IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems (DDECS), pp. 403-404, April 2011.
J.K. Kim, J. Jeong, D.S. Ha, and H-S Lee, “A Current-Reuse Quadrature VCO for Wireless Body Area Networks,” IEEE-NIH Life Science Systems and Application Workshop (LiSSA’11), pp. 55-58, April 2011.
J. Jeong, J.K. Kim, D.S. Ha, and H-S Lee, “A Reliable Ultra Low Power Merged LNA and Mixer Design for Medical Implant Communication Services,” IEEE-NIH Life Science Systems and Application Workshop (LiSSA’11), pp.51-54, April 2011.
P. Ralston, M. Oliver, K. Vummidi, S. Raman, “Liquid Metal Vertical Interconnects for Flip-Chip Assembly of GaAs C-band Power Amplifiers onto Micro-Rectangular Coaxial Transmission Lines,” accepted for publication in the 2011 Compound Semiconductor IC Symposium special issue of IEEE J. of Solid-State Circuits.
P. Ralston, M. Oliver, K. Vummidi, and S. Raman, “Liquid Metal Vertical Interconnects for Flip-Chip Assembly of GaAs C-band Power Amplifiers onto Micro-Rectangular Coaxial Transmission Lines,” 2011 Compound Semiconductor IC Symposium Digest, Kona, HI, Oct. 16-19, 2011.
J.M. Oliver, P.E. Ralston, E. Cullen, L. M. Ranzani, K. Vanhille, S. Raman, “A W-band Micro Coaxial Passive Monopulse Comparator Network with Integrated Cavity-Backed Patch Antenna Array,” 2011 IEEE MTT-S International Microwave Symposium Digest, Baltimore, MD, Jun. 5-10, 2011.
M. E. Khater, K. Vummidi, E. M. Abdel-Rahman, A.H. Nayfeh, S. Raman, “Dynamic Actuation Methods for Capacitive MEMS Shunt Switches,” IOP Journal of Micromechanics and Microengineering, vol. 21, no. 3, Mar. 2011

Year 2010

G. M. Rebeiz, Kwang-Jin Koh, Tiku Yu, Dongwoo Kang, Choul Young Kim, Y. Atesal, B. Cetinoneri, Sang Young Kim, Donghyup Shin, “Highly dense microwave and millimeter-wave phased array T/R modules and Butler matrices using CMOS and SiGe RFICs,” IEEE Int. Symposium on Phased Array Systems and Technology (ARRAY), pp. 245-249, Oct. 2010.
P. VanDerVoorn, M. Agostinelli, S.-J. Choi, G. Curello, H. Deshpande, M. A. El-Tanani, W. Hafez, U. Jalan, L. Janbay, M. Kang, K.-J. Koh, K. Komeyli, H. Lakdawala, J. Lin, N. Lindert, S. Mudanai, J. Park, K. Phoa, A. Rahman, J. Rizk, L. Rockford, G. Sacks, K. Soumyanath, H. Tashiro, S. Taylor, C. Tsai, H. Xu, J. Xu, L. Yang, I. Young, J.-Y. Yeh, J. Yip, P. Bai, C.-H. Jan “A 32nm Low Power RF CMOS SOC Technology Featuring High-k/Metal Gate,” IEEE VLSI Technology Symposium, pp. 137-138, June 2010.
Yusuf A. Atesal, Berke Cetinoneri, Kwang-Jin Koh, Gabriel M. Rebeiz, “X/Ku-Band 8-Element Phased Arrays Based on Single Silicon Chips,” IEEE Int. Microwave Symposium, pp. 1258-1261, May 2010.
Kwang-Jin Koh, Gabriel M. Rebeiz, “A 6-18 GHz 5-bit active phase shifter,” IEEE Int. Microwave Symposium, pp. 792-795, May 2010.
Dong-Woo Kang, Kwang-Jin Koh, Gabriel M. Rebeiz, “A Ku-Band Tow-Antenna Four-Simultaneous Beams SiGe BiCMOS Phased Array Receiver,” IEEE Trans. on Microwave Theory and Technique, vol. 58, No. 4, pp. 771-780, April 2010.
S. Raman, T.-H. Chang, I. Abdomerovic, C.L. Dohrman, M.J. Rosker, “The DARPA COSMOS and ELASTx Programs: Towards Next Generation Linearized Microwave/Mm-Wave Transmitters,” 2010 IEEE, Compound Semiconductor Integrated Circuits Symposium (CSICS), Monterrey, CA, Oct. 3-6, 2010, pp. 15-18. (Invited, Plenary)
M. Khater, K. Vummidi, E. M. Abdel-Rahman, A. Nayfeh, S. Raman, "Dynamic Switching of MEMS Shunt Switches", ASME International design Engineering Technical Conferences (IDETC) 2010, Montreal, August 2010, DECT2010-28487. (9 pages)
P. Ralston, J. Wood, K. Vummidi, M. Oliver, and S. Raman, “Heterogeneous Flip-Chip Assembly of a GaAs C-band Power Amplifier MMIC Using Liquid Metal Vertical Interconnects,” 2010 IEEE MTT-S International Microwave Symposium Digest, Anaheim, CA, May 23-28, 2010, pp. 1284-1287.
Krishna Vummidi, J. Hammond, J. Costa, S. Raman, “Resonant Pull-in for a variable gap lateral contact RF MEMS switch,” Proceedings of the 2010 IEEE 23rd International Conference on Micro Electro Mechanical Systems (MEMS), Hong Kong, Jan. 24-28, 2010, pp. 767 – 770.

Year 2009

Dong-Woo Kang, Kwang-Jin Koh, Gabriel M. Rebeiz, “X/Ku-Band SiGe BiCMOS Phased Array Chips with Simultaneous 2- and 4-Beam Capabilities,” IEEE Compound Semiconductor Integrated Circuits (CSICS) Symp., pp. 1-4, Oct. 2009.
Kwang-Jin Koh, Jason W. May, Gabriel M. Rebeiz, “A Millimeter-Wave (40-45 GHz) 16-Element Phased-Array Transmitter in 0.18-um SiGe BiCMOS technology,” IEEE J. Solid State Circuits (JSSC), vol. 44, No. 5, pp. 1498-1509, May 2009.
Krishna Vummidi, M. Khater, E. Abdel-Rahman, A. Nayfeh, S. Raman, “Dynamic Pull-in of Shunt Capacitive MEMS Switches", Proceedings of the Eurosensors XXIII conference (Eurosensors 2009), Lausanne, Switzerland, September 6-9, 2009, Pages 622-625
J. Wood*, K. Vummidi, P. Rallston, L. Chen, N. S. Barker, S. Raman, "Liquid Metal Vertical Interconnects for RF Flip-Chip Assembly", 2009 IEEE MTT-S International Microwave Symposium Digest, Boston, MA, June 7-12, 2009, pp. 461 – 464.
J. M. Oliver, J. Rollin, K. Vanhille, N. S. Barker, C. Smith, A. Sklavounos, D. Filipovic, and S. Raman, "A 3-D Micromachined W-band Cavity-Backed Patch Antenna Array with Integrated Rectacoax Transition to Waveguide", 2009 IEEE MTT-S International Microwave Symposium Digest, Boston, MA, June 7-12, 2009, pp. 1641 – 1644 .
I. Chamas and S. Raman, “Analysis and Design of a CMOS Phase-Tunable Injection-Coupled LC QVCO (PTIC-QVCO),” IEEE J. of Solid-State Circuits, vol. 44, no. 3, pp. 784—796, Mar. 2009.
I. Chamas and S. Raman, “Analysis, Design and X-Band Implementation of a Self-Biased Active Feedback Gm-Boosted Common-Gate CMOS LNA,” IEEE Transactions on Microwave Theory and Techniques, vol. 57, no. 3, pp. 542—551, Mar. 2009.

Year 2008

Kwang-Jin Koh, Gabriel M. Rebeiz, “A Q-Band Phased-Array Front-End with Integrated Wilkinson Couplers for Linear Power Combining in SiGe BiCMOS,” IEEE Bipolar Circuits and Technology Meeting (BCTM), pp. 190-193, Oct. 2008.
Kwang-Jin Koh, Gabriel M. Rebeiz, “A Q-Band Four-Element Phased-Array Receiver with Integrated Wilkinson Power Combiners in 0.18-um SiGe BiCMOS Technology,” IEEE Trans. on Microwave Theory and Technique (T-MTT), Vol. 56, No. 9, pp. 2046-2053, Sept. 2008
Kwang-Jin Koh, Jason W. May, Gabriel M. Rebeiz, “A Q-Band (40-45 GHz) 16-Element Phased-Array Transmitter in 0.18-um SiGe BiCMOS technology,” IEEE Radio Frequency Integrated Circuits (RFIC) Symp., pp. 225-228 Jun. 2008.
Kwang-Jin Koh, Gabriel M. Rebeiz, “An X- and Ku-Band 8-Element Phased Array Receiver in 0.18-um SiGe BiCMOS Technology,” IEEE J. Solid State Circuits (JSSC), vol. 43, No. 6, pp. 1306-1371, June 2008.
L. Chen, J. Wood, S. Raman, and N.S. Barker, “Vertical RF Transition with Mechanical Fit for Three-Dimensional Heterogeneous Integration,” 2008 European Microwave Conference, Amsterdam, The Netherlands, Oct. 23-28, 2008, pp. 1561 – 1564.
S. Raman, T.-S. Chang, R.C. Eden, and S. Pappert, “The DARPA FLARE Program: Recent Advances in Ultra High Linearity RF Amplifiers,” 2008 IEEE Compund Semiconductor IC Symposium, Monterrey, CA, Oct. 13-15, 2008, pp. 1 – 4. (Invited)
J.G. Kim, S. Raman, G. Rebeiz, “A 24 GHz Amplitude Monopulse Comparator in 0.13 mm CMOS,” IEEE Microwave and Wireless Components Letters, vol. 18, no. 9, pp. 632-634, Sep. 2008.
I. Chamas and S. Raman, “Design of CMOS Millimeter-Wave Cross-Coupled LC Quadrature VCOs with Varactorless Frequency Tuning,” 2008 IEEE Topical Meeting on Silicon Monolithic Circuits in RF Systems Digest, Orlando, FL, Jan. 23-25, 2008, pp. 38-41.
S. Raman and R. Svitek, “Transceiver Architectures for Highly Integrated RF Front-Ends” in Printed Antennas for Wireless Systems and Related Topics, Dr. Rod Waterhouse and Prof. Jim James, eds., Wiley, 2008.

Year 2007

Kwang-Jin Koh, Gabriel M. Rebeiz, “0.13-um CMOS Phase Shifters for X-, Ku- and K-band Phased Arrays,” IEEE J. Solid State Circuits (JSSC), vol. 42, No. 11, pp. 2535-2546, Nov. 2007.
Kwang-Jin Koh, Gabriel M. Rebeiz, “An X- and Ku-Band 8-Element Linear Phased Array Receiver,” IEEE Custom Integrated Circuits Conference (CICC) Proc., pp. 761-764, Sept. 2007.
Kwang-Jin Koh, Gabriel M. Rebeiz, “A 0.13-um CMOS Digital Phase Shifter for K-band Phased Arrays,” IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, pp. 383-386, June 2007.
Kwang-Jin Koh, Gabriel M. Rebeiz, “An Eight-Element 6 to 18 GHz SiGe BiCMOS RFIC Phased-Array Receiver”, Microwave Journal, vol. 50, No. 5, pp. 270-274, May 2007.
I. Chamas and S. Raman, “An X-Band Superharmonic Injection-Coupled Quadrature VCO (IC-QVCO) with a Tunable Tail Filter for I/Q Phase Calibration,” 2007 IEEE RFIC Symposium Digest, Honolulu, HI, Jun. 3–8, 2007, pp. 123-126.
I. Chamas and S. Raman, “A Comprehensive Analysis of Quadrature Signal Synthesis in Cross-Coupled RF VCOs,” IEEE Transactions on Circuits and Systems-I, vol. 54, no. 4, pp. 689-704, April 2007.
T. Haque, G. Studtmann, and S. Raman, “A High Linearity 30-GHz Range SiGe Differential Power Amplifier IC,” 2007 IEEE Topical Meeting on Silicon Monolithic Circuits in RF Systems Digest, Long Beach, CA, Jan. 18-20, 2007, pp. 115–118.
I. Chamas and S. Raman, “A 5 GHz I/Q Phase-tunable CMOS LC Quadrature VCO (PT-QVCO) for Analog Phase Calibrated Receiver Architectures,” 2007 IEEE Topical Meeting on Silicon Monolithic Circuits in RF Systems Digest, Long Beach, CA, Jan. 18-20, 2007, pp. 269–272. (1st place award, student paper competition)

Year 2006

H.-J. Lee, D. S. Ha, and S.S. Choi, “A 3-5 GHz CMOS UWB LNA with Input Matching Using Miller Effect,” International Solid-State Circuits Conference, Paper 11.6, February, 2006.
S. Raman, J. Zhao, M. Lehne, R. Zele, and A. Tripathi, “RF/mixed-signal Ultrawideband Transmitter IC Design in Silicon Technologies,” 8th Intl. Conference on Solid-State and Integrated-Circuit Technology, Shanghai, China, Oct. 23-26, 2006, pp. 1808-1812. (Invited)
K.P.M. Vummudi, S. Raman, J. Costa, T. Ivanov, and J. Hammond, “Laterally Driven High Isolation DC-Contact RF MEMS Switch,” Proceedings of Eurosensors XX, Gotenberg, Sweden, Sep. 17-20, 2006.
J. Zhao and S. Raman, “A 0.18 mm RF CMOS Ultra Wideband Transmitter Front End RFIC,” 2006 IEEE RFIC Symposium Digest, San Francisco, CA, Jun. 11-13, 2006, pp. 506-509.
J. Zhao, C. Maxey, A. Narayanan, and S. Raman, “A CMOS Pulse Generator for Wideband RF Transmitter Applications,” presented at the 2006 IEEE Sarnoff Symposium, Princeton, NJ, Mar. 27–28, 2006.
I. Chamas and S. Raman, “Effect of Device Mismatch on the Phase and Amplitude Accuracy in LC Quadrature VCOs,” 2006 IEEE Radio and Wireless Symp., San Diego, CA, Jan. 17–20, 2006, pp. 439- 442. (2nd place award, student paper competition)

Year 2005

S. Jose, H-.J. Lee, D.S. Ha, and S.S. Choi,. “A Low-power CMOS Power Amplifier for Ultra wideband (UWB) Applications,”International Symposium on Circuits and Systems, pp. 5111–5114, May 2005.
H.-J. Lee, D. S. Ha, and S.S. Choi, “A Systematic Approach to CMOS Low Noise Amplifier Design for Ultra wideband Applications,” International Symposium on Circuits and Systems, pp. 3962–3965, May 2005.
R. Svitek and S. Raman, “DC Offsets in Direct-Conversion Receivers: Characterization and Implications,” IEEE Microwave Magazine, vol. 6, no. 3, pp. 76–86, Sep. 2005.
S. Muthukrishnan, J. Zhao, G. Studtmann, and S. Raman, “A Fully-ESD Protected SiGe HBT RFIC Power Amplifier Design,” 2005 RFIC Symposium, Long Beach, CA, Jun. 12-14, 2005, pp. 605–608.

Year 2004

Kwang-Jin Koh, M-Y Park, C-S Kim, H-K Yu, “Subharmonically pumped CMOS Frequency Conversion (Up & Down) Circuits for 2GHz WCDMA Direct Conversion Transceiver”, IEEE J. Solid State Circuits (JSSC), vol. 39, No. 6, pp. 871-884, June 2004.
J. Zhao, A. Narayanan, C. Maxey, and S. Raman, “A SiGe BiCMOS Ultra Wide Band RFIC Transmitter Design for Wireless Sensor Networks,” Proc. of the 2004 IEEE Radio and Wireless Conference (RAWCON), Atlanta, GA, Sep. 19–24, 2004, pp. 215–218.
R. Svitek, M. Clifford, and S. Raman, “Development of Scalable Models for Patterned-Ground-Shield Inductors in SiGe BiCMOS Technology,” 2004 IEEE Topical Workshop on Si Monolithic Circuits in RF Systems Digest, Atlanta, GA, Sep. 8–10, 2004.
C. Maxey and S. Raman, “Finite Element-Based Analysis of Single-Crystal Si Contour-Mode Electromechanical RF Resonators,” Proc. of the 2004 Intl. Conference on MEMS, NANO and Smart Systems (ICMENS 2004), Banff, Alberta, Canada, 25-27 August 2004.
R. Svitek and S. Raman, “5-6 GHz SiGe Active I/Q Sub-Harmonic Mixers with Power Supply Noise Effect Characterization,” IEEE Microwave and Wireless Components Letters, vol. 14, no. 7, pp. 319–321, Jul. 2004.
D. Sanderson, R. Svitek, and S. Raman, “A 5-6 GHz Polyphase Filter with Tunable I/Q Phase Balance,” IEEE Microwave and Wireless Components Letters, vol. 14, no. 7, pp. 364–366, Jul. 2004.
S. Raman, A.S. Klein, R. Svitek, C. Magnella, M. Clifford, and E. Maass, “An RF Integrated Circuit Design Course with State-of-the-Art Technology Support from Industry,” Proceedings of the 2004 ASEE Annual Conference, Salt Lake City, UT, Jun. 2004. (nominated for Best Paper Award).

Year 2003

Y-S Youn, J-H Jang, Kwang-Jin Koh, Y-J Lee, H-K Yu, “A 2GHz 16dBm IIP3 Low Noise Amplifier in 0.25um CMOS technology,” IEEE Solid-State Circuits Conference (ISSCC) Digest, vol. 1, pp. 452-507, Sep. 2003.
Kwang-Jin Koh, M-Y Park, H-K Yu, “A Merged Structure of LNA & Sub-harmonic Mixer for Multi-band DCR Applications,” IEEE Int. Microwave Symposium, pp. 243-246, Jun. 2003.
D.I. Sanderson, J.C. Rautio, R.A. Groves, and S. Raman, “Accurate Modeling of Monolithic Inductors Using Conformal Meshing for Reduced Computation Times,” IEEE Microwave Magazine, vol. 4, no. 4, pp. 87–96, Dec. 2003.
S. Raman, D.I. Sanderson, and A.S. Klein, “DESIGN CONSIDERATIONS FOR MONOLITHIC Si-BASED RF VCOs IN WIRELESS SINGLE-CHIP SYSTEMS,” 2003 IEEE Topical Conference on Wireless Communications Technology, Honolulu, HI, Oct. 15–17, 2003.
R.L. Bunch and S. Raman, “Large-Signal Analysis of MOS Varactors in CMOS –GM LC VCOs,” IEEE J. of Solid State Circuits, vol. 38, no. 8, pp. 1325–1332, Aug. 2003.
R. Svitek and S. Raman, “A SiGe Active Sub-Harmonic Front-End for 5-6 GHz Direct Conversion Receiver Applications,” 2003 IEEE RFIC Symp. Digest, Philadelphia, PA, Jun. 8–13, 2003, pp. 675–678.
D. Sanderson and S. Raman, “5-6 GHz SiGe VCO with Tunable Polyphase Output for Analog Image Rejection and IQ Mismatch Compensation,” 2003 IEEE RFIC Symp. Digest, Philadelphia, PA, Jun. 8–13, 2003, pp. 683–686.
R. Svitek and S. Raman, “A SiGe Active Sub-Harmonic Receiver Front-End for 5-6 GHz Wireless Applications,” 2003 IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, Garmisch, Germany, Apr. 9–11, 2003.

Year 2002

E.D. McCloskey, R. Pavio, and S. Raman, “1.9 GHz GaAs monolithic filters using Q-enhanced resonators,” IEE Electronics Letters, vol. 38, no. 25, pp. 1682–1683, 5 Dec. 2002.
M.W. Chapman and S. Raman, “A 60 GHz Uniplanar MMIC 4X Subharmonic Mixer,” IEEE Trans. on Microwave Theory and Techniques, vol. 50, no. 11, pp. 2580–2588, Nov. 2002.
J. Zhao and S. Raman, “An Integrated Chip-Scale Active Antenna for 5-6 GHz Wireless Microsystems,” 2002 IEEE Radio and Wireless Conference (RAWCON) Digest, Boston, MA, Aug. 11–14, pp. 149–152.
R. Svitek, D. Johnson, and S. Raman, “An Active SiGe Sub-Harmonic Direct-Conversion Receiver Front-End Design for 5-6 GHz Band Applications,” 2002 IEEE RFIC Symp. Digest, Seattle, WA, Jun. 2–4, pp. 395–398.
R.L. Bunch, D.I. Sanderson, and S. Raman, “Quality Factor and Inductance in Differential IC Implementations,” IEEE Microwave Magazine, vol. 3, no. 2, pp. 82–93, Jun. 2002.

Year 2001

D. Johnson and S. Raman, “A Packaged SiGe x2 Sub-Harmonic Mixer for U-NII Band Applications,” Proceedings of the 2001 IEEE Bipolar/BiCMOS Circuits and Technology Meeting, Minneapolis, MN, Sep. 30–Oct. 2, pp. 159–162.
J. Zhao and S. Raman, “Design of "Chip-Scale" Patch Antennas for 5-6 GHz Wireless Microsystems,” 2001 IEEE AP-S International Symposium Digest, Boston, MA, Jul. 8–13, vol. 2, pp. 6–9.
M.W. Chapman and S. Raman, “A 60 GHz Uniplanar MMIC 4X Subharmonic Mixer,” 2001 IEEE MTT-S International Microwave Symposium Digest, Phoenix, AZ, May 20-25, pp. 95-98.
R. Bunch and S. Raman, “A 0.35 mm CMOS 2.5 GHz Complementary –GM VCO Using PMOS Inversion Mode Varactors,” 2001 IEEE RFIC Symposium Digest, Phoenix, AZ, May 20-22, pp. 49-52.

Year 2000

S. Raman, “INTEGRATED ANTENNAS FOR MM-WAVE RADAR SYSTEMS“, Proceedings of the AP2000 Millennium Conference on Antennas & Propagation, Davos, Switzerland, Apr. 9-14, 2000 (Invited)
C. Haskins, T. Winslow, and S. Raman, “FET Diode Linearizer Optimization for Amplifier Predistortion in Digital Radios,” IEEE Microwave and Guided Wave Letters, vol. 10, no. 1, pp. 21-23, Jan. 2000.

Year 1999

G.P. Gauthier,S. Raman, and G.M. Rebeiz, “A 90-100 GHz Double Folded-Slot Antenna,” IEEE Trans. on Antennas and Propagation, vol. 47, no. 6, pp. 1120-1122, Jun. 1999.

Year 1998

S. Raman, N.S. Barker, and G.M. Rebeiz, “A W-Band Dielectric-Lens-Based Integrated Monopulse Radar Receiver,” IEEE Trans. on Microwave Theory and Techniques, vol. 46, no. 12, pp. 2308-2316, Dec. 1998. (1998 Special Symposium Issue Expanded Paper)
S. Raman, N.S. Barker, and G.M. Rebeiz, “A W-Band Dielectric-Lens-Based Integrated Monopulse Radar Receiver,” 1998 IEEE MTT-S Intl. Microwave Symp. Digest, Baltimore, MD, Jun. 7-12, 1998, pp. 517-520.

Year 1997

S. Raman, G.P. Gauthier, and G.M. Rebeiz, “W-Band On-Wafer Measurements of Uniplanar Slot-type Antennas,” 1997 IEEE Antennas and Propagation Intl. Symp. Digest, Montreal, Canada, Jul. 13-18, 1997, pp. 554-557.
S. Raman and G.M. Rebeiz, “Single- and Dual-Polarized Slot-Ring Subharmonic Receivers,” 1997 IEEE International Microwave Symposium Digest, Denver, CO, Jun. 8-13, 1997, pp. 565–568.
S. Raman, F. Rucky, and G.M. Rebeiz, “A High-Performance W-Band Uniplanar Subharmonic Mixer,” IEEE Trans. on Microwave Theory and Techniques, vol. 45, no. 6, pp. 955-962, Jun. 1997.

Year 1996

S. Raman and G.M. Rebeiz, “Single- and Dual-Polarized Millimeter-Wave Slot-Ring Antennas,” IEEE Trans. on Antennas and Propagation, vol. 44, no. 11, pp. 1438-1444, Nov. 1996.
S. Raman and G.M. Rebeiz, “A 94 GHz Uniplanar Subharmonic Mixer,” 1996 IEEE International Microwave Symp. Digest, San Francisco, CA, Jun. 17–21, 1996, pp. 385–388. (Best Student Paper Award)
S. Raman and G.M. Rebeiz, “Integrated Millimeter-Wave Polarimetric Radar Receivers,” Proceedings of the 1996 IEEE National Radar Conference, Ann Arbor, MI, May 13-16, 1996.

Year 1995

S. Raman and G.M. Rebeiz, “94 GHz Slot-Ring Antennas for Monopulse Applications,” 1995 IEEE Antennas and Propagation Intl. Symp. Digest, Newport Beach, CA, Jun. 18–23, 1995, pp. 722–725.(Best Student Paper Award)
S. Raman, T.M. Weller, L.P.B. Katehi, and G.M. Rebeiz, “A Double Folded-Slot Antenna at 94 GHz,” 1995 IEEE Antennas and Propagation Intl. Symp. Dig, Newport Beach, CA, Jun. 18–23, 1995, pp. 710–713.
S.M. Mollenkopf, S. Raman, L.P.B. Katehi, and G.M. Rebeiz, “Low-Cost Receivers for Millimeter-Wave Imaging Array Applications,” Proceedings of the SPIE, vol. 2448, 1995, pp. 175-180.

Year 1994

S. Raman, D.F. Filipovic, P.A Stimson, R.J. Dengler, P.H. Siegel, and G.M. Rebeiz, “230 GHz Beam Pattern Measurements of a Dielectric Filled Parabola,” Proc. of the 5th Intl. Symp. on Space Terahertz Technology, Ann Arbor, MI, May 10–12, 1994, pp. 788–795.