Publications

Radio Papers

A. Apsel, A. Molnar, D. Yang, H. Yuksel, T. Tappen, E. Enroth, M. Mohiuddin, Z. Boynton, “Challenges and Approaches to Software-Defined Duplexing Radio“, IEEE ISCAS 2016

D. Yang, H. Yuksel, C. Newman, C. Lee, Z. Boynton, N. Paya, M. Pedrone, A. Apsel, and A. Molnar, “A Fully Integrated Software-Defined FDD Transceiver Tunable from 0.3 – 1.6 GHz“, IEEE RFIC 2016

D. Yang, C. Andrews, and A. Molnar, Optimized Design of N-phase Passive Mixer-First Receivers in Wideband Operation, IEEE TCAS-I, Nov 2015.

D. Yang, H. Yuksel, A. Molnar, A Wideband Highly Integrated and Widely Tunable Transceiver for In-band Full-Duplex Communication, IEEE J. Solid-State Circuits, Issue 99, 2015.

S. Jayasuriya, D. Yang, A. Molnar, A Baseband Technique for Automated LO Suppression Achieving , IEEE CICC 2014.

D. Yang, A. Molnar, A widely tunable active duplexing transceiver with same-channel concurrent RX/TX and 30dB RX/TX isolation, IEEE RFIC 2014.

H. Yuksel, D. Yang, A. Molnar, A circuit-level model for accurate modeling 3rd order nonlinearity in CMOS passive mixers, IEEE RFIC 2014.

C. Andrews, C. Lee, A. Molnar, Effects of LO harmonics and overlap shunting on N-phase passive mixer based receivers, ESSIRC 2012.

C. Andrews, L. Diamente, B. Johnson, and A. Molnar, A 6-12mW, 0.7-3.2GHz with resonant multi-phase LO and current reuse harmonic rejection baseband, IEEE RFIC 2012.

A. Molnar and C. Andrews, Impedance, filtering and noise in n-phase passive CMOS mixers, IEEE CICC 2012.

C. Andrews and A.C. Molnar, A Passive Mixer-First Receiver with Digitally Controlled and Widely Tunable RF Interface, IEEE J. Solid-State Circuits, vol. 45, no. 12, Dec. 2010

C. Andrews, A. Molnar, “Implications of Passive Mixer Transparency for Impedance Matching and Noise Figure in Passive Mixer-First Receivers”, Transactions on Circuits and Systems I, vol 57, pp 3092-3103 Dec. 2010

C. Andrews, A. Molnar, “A Passive-Mixer-First Receiver with Baseband-Controlled RF Impedance Matching, 6dB NF, and 27dBm Wideband IIP3”, International Solid-State Circuits Conference Digest of technical papers, San Francisco, CA, Feb 2010

B. W. Cook, A. D. Berny, A. Molnar, S. Lanzisera, K. Pister , “Low Power 2.4GHz Transceiver with Passive RX front-end and 400mV supply”, IEEE Journal of Solid-State Circuits, vol. 41, Issue 12, pp 2757-2766, Dec 2006

B. W. Cook, A. D. Berny, A. Molnar,  S. Lanzisera, K. Pister,“An Ultra-Low-power 2.4GHz RF Transceiver for Wireless Sensor Networks in 130nm CMOS with 400mV Supply and an Integrated Passive RX Front-end”, International Solid-State Circuits Conference Digest of technical papers, San Francisco, CA, Feb 2006

A. Molnar, B. Lu, S. Lanzisera, B. W. Cook, and K. Pister, “An Ultra-low Power 900 MHz RF Transceiver for Wireless Sensor Networks”, Custom Integrated Circuits Conference technical digest, pp 401-404, Orlando FL, Oct 2004

R. Magoon, A. Molnar, G. Hatcher, J. Zachan, W. Rhee, “A single-chip quad-band (850/900/1800/1900MHz) direct-conversion GSM/GPRS RF transceiver with integrated VCOs and Fractional-N synthesizer”, IEEE Journal of Solid-State Circuits, vol. 37, Issue 12, pp 1710-1720, Dec 2002

R. Magoon, A. Molnar; “BiCMOS for RF systems on chip”, IEICE Transactions on Electronics, vol. E85-C, Issue 7, pp. 1387-1393, July 2002

R. Magoon and A. Molnar, “RF Local Oscillator Path for a GSM Direct Conversion Transceiver with True 50% duty Cycle Divide by Three and Active Third Harmonic Cancellation”, RFIC symposium technical digest, pp23-26, Seattle WA, June 2002

A. Molnar, R. Magoon, G. Hatcher, J. Zachan, W. Rhee, M. Damgaard, W. Domino, N. Vakilian, “A single-chip quad-band (850/900/1800/ 1900MHz) direct-conversion GSM/GPRS RF transceiver with integrated VCOs and Fractional-N synthesizer”, International Solid-State Circuits Conference Digest of technical papers, pp232,233, San Francisco, CA, Feb 2002

I. Koullias, L. Steigerwald, W. Domino, N. Vakilian, E. Ngompe, M. Damgaard, K. Lewis, A. Molnar, “A triple-band 900/1800/1900 MHz low-power image-reject front-end for GSM”, International Solid-State Circuits Conference Digest of technical papers, 2001 pp408, 409, 470, San Francisco, CA, Feb 2001

R. Magoon, J. L. Tham; A. Molnar, B. Pregardier, M. Margarit, M. Conta, J. Cheng, A. Ali, S. Lloyd, A 900MHz/1.9GHz integrated transceiver and synthesizer IC for GSM”, ESSIRC digest of technical papers, pp 53 – 56, Sept. 2000

M. Reddy, M.J. Mondry, S.C. Martin, A.C. Molnar, R.E. Muller, U. Bhattacharya, M.J.W. Rodwell, R.P. Smith, “Monolithic Schottky-collector resonant tunnel diode oscillator arrays to 650GHz”, IEEE Electron Device Letters, Volume 18, Issue 5, pp. 218-221, May 1997

A.C. Molnar, M. Reddy, M.J. Mondry, M.J.W. Rodwell, S.J. Allen, S.C. Martin, R.E. Muller, R.P. Smith, “Submm-wave monolithic RTD oscillator arrays to 650GHz,”, International Electron Devices Meeting, Technical Digest (late news), San Francisco, CA, Dec 1996

M. Reddy, M.J. Mondry,  A.C. Molnar, U. Bhattacharya, M.J.W. Rodwell, S.C. Martin, R.E. Muller, R.P. Smith, “Monolithic RTD array oscillators at 100GHz and 200GHz”, Device Research Conference Technical Digest (late news), Santa Barbara, CA, June 1996

Computational Imaging Papers

H.G. Chen, S. Jayasuriya, J. Yang, J. Stephen, S. Sivaramakrishnan, A. Veeraraghavan, A. Molnar, “ASP Vision: Optically Computing the First Layer of Convolutional Neural Networks using Angle Sensitive Pixels“, CVPR 2016

S. Sivaramakrishnan, C. Lee, B. Johnson, A. Molnar, “A Polar Symmetric CMOS Image Sensor for Rotation Invariant Measurement“, IEEE Sensors Journal 2015.

S. Jayasuriya, A. Pediredla, S. Sivaramakrishnan, A. Molnar,  A. Veeraraghavan, “Depth Fields: Extending Light Field Techniques to Time-of-Flight Imaging“, Int. Conf. on 3D Vision (3DV) 2015.

C. Lee, W. Chao, S. Lee, J. Hone, A. Molnar, S. Hong, “A Low Power Edge Detection Image Sensor based on Parallel Digital Pulse Computation“, IEEE TCAS-II: Express Briefs, 2015.

C. Lee, B. Johnson, A. Molnar. “Angle Sensitive Single Photon Avalanche Diode” Applied Physics Letters 2015.

S. Sivaramakrishnan, A. Wang, P. Gill, A. Molnar. “Design and Characterization of Enhanced Angle Sensitive Pixels” IEEE Trans. on Electron Devices 2015

S. Jayasuriya, S. Sivaramakrishnan, E. Chuang, D. Guruaribam, A. Wang, A. Molnar, “Dual Light Field and Polarization Imaging using CMOS Diffractive Image Sensors“, Optics Letters 2015.

C. Lee, B. Johnson, A. Molnar, An on-chip 72×60 angle sensitive single photon image sensor for lens-less time-resolved 3-D fluorescence lifetime imaging, VLSI 2014.

M. Hirsch, S. Sivaramakrishnan, S. Jayasuriya, A. Wang, A. Molnar, R. Raskar, G. Wetzstein. “A Switchable Light Field Camera Architecture using Angle Sensitive Pixels and Dictionary-based Sparse Coding“, IEEE International Conference on Computational Photography 2014 (Best Paper Award)

B. Johnson, C. Lee, S. Sivaramakrishnan, A. Molnar  A high-speed polar-symmetric imager for real-time calibration of rotational inertial sensors, IEEE Sensors 2013.

P. Gill, C. Lee, S. Sivaramakrishnan, A. Molnar,  Robustness of planar Fourier capture arrays to colour changes and lost pixels, Journal of Instrumentation 2012.

A. Wang, S. Hemami, A. Molnar. “Angle-sensitive pixels: a new paradigm for low-power, low-cost 2D and 3D sensing” Proc. SPIE 8288, Stereoscopic Displays and Applications XXIII,  2012

A. Wang, S. Sivaramakrishnan, A. Molnar, A 180nm CMOS image sensor with on-chip optoelectronic image compression, IEEE CICC 2012

Wang, A.; Molnar, A., “A Light-Field Image Sensor in 180 nm CMOS”, IEEE J. Solid-State Circuits, vol. 47, no. 1, Jan. 2012.

S. Sivaramakrishnan, A. Wang, P. R. Gill, and A. Molnar, Enhanced Angle Sensitive Pixels for Light Field Imaging,in IEEE IEDM Washington DC: IEEE, 2011.

A. Wang, and A. Molnar,”Phase-based 3D Optical Flow Sensors for Motion
Detection” IEEE Sensors Conference, Limerick Ireland, Oct 2011 (best student paper award, 2nd place)

P. Gill, C. Lee, D.-G. Lee, A. Wang, and A. Molnar, A Micro-Scale Camera
Using Direct Fourier-Domain Scene Capture, Optics Letters, Vol. 36, Issue
15, pp. 2949-2951, 2011 (top-10 download for 2011)

P. Gill, A. Wang, and A. Molnar, The In Crowd Algorithm for Fast Exact Basis Pursuit Denoising, IEEE Transactions on Signal Processing, vol 59,
no 10, oct 2011

C. Lee, A. Molnar, Self-Quenching, Forward-bias-reset for Single Photon Avalanche Detectors in 1.8V, 0.18um process, Proceedings of IEEE Intl. Symposium on Circuits and Systems, 2011

A. Wang, P. Gill, and A. Molnar, An Angle-Sensitive CMOS Imager for Single-Sensor 3D Photography, in International Solid-State Circuits Conference, San Francisco, 2011. (Lewis Winner Outstanding Paper Award)

A. Wang, P. Gill, and A. Molnar, Fluorescent Imaging and Localization with Angle Sensitive Pixel Arrays in Standard CMOS, Proceedings of IEEE Sensors 2010, Kona, Hawaii, Nov. 2010 (best Poster award)

A. Wang, P. Gill, A. Molnar, “Light field image sensors based on the Talbot effect”, Applied Optics, 2009 Nov 1; ;48(31):5897-905. doi: 10.1364/AO.48.005897

A. Wang, P. Gill and A. Molnar, “Angle Sensitive Pixels in CMOS for Lensless 3D Imaging”, Custom Integrated Circuits Conference, San Jose, 2009

Neurobiology-Related Papers

B. Johnson, S.T. Peace, A. Wang, T.A. Cleland, A. Molnar, A 768-channel CMOS Microelectrode array with Angle Sensitive Pixels for Neuronal Recording, IEEE Sensors Journal, 2013.

B. Johnson, S.T. Peace, T.A. Cleland, A. Molnar, A 50um pitch, 1120-channel, 20kHz frame rate microelectrode array for slice recording, IEEE BioCAS 2013.

C. Lee, B. Johnson, A. Molnar, A sub-threshold voltage ladder rectifier for orthogonal current-reuse neural amplifier, IEEE BioCAS 2013.

B. Johnson, and A. Molnar, A scalable CMOS sensor array for neuronal
recording and imaging, IEEE Sensors Conference, Limerick Ireland, Oct 2011

J. Jeng, S. Tang, A. Molnar,  N. Desai, S. Fried, The sodium channel band shapes the response to electric stimulation in retinal ganglion cells,J. Neural Eng. (8), 2011.

B. Johnson, D. DeTomaso, and A. Molnar, A Low-Power Orthogonal Current-Reuse Amplifier for Parallel Sensing Applications,IEEE European Solid-State Circuits Conference, pp. 317-320, 2010

Molnar A, Hsueh HA, Roska B, Werblin FS, “Crossover inhibition in the retina: circuitry that compensates for nonlinear rectifying synaptic transmission.” J Comput Neurosci. 2009 Dec;27(3):569-90. Epub 2009 Jul 28

Hsueh HA, Molnar A, Werblin FS.” Amacrine-to-amacrine cell inhibition in the rabbit retina.” J Neurophysiol. 2008 Oct;100(4):2077-88.

A. Molnar, F. Werblin, “Inhibitory feedback shapes bipolar cell responses in the rabbit retina”, Journal of Neurophysiology, vol 98, Issue 6, pp 3423-35, Dec 2007

Botond Roska, Alyosha Molnar, Frank S. Werblin, “Parallel Processing in Retinal Ganglion Cells: How integration of Space-Time Patterns of Excitation and Inhibition Form the Spiking Output”, Journal of Neurophysiology, vol 95, Issue 6, pp 3810-22, Jun 2006

A. Molnar, H. Hseuh, F. Werblin, “Push-pull interactions maintain signal accuracy in the inner retina”, Association for Research In Vision and Opthamology annual meeting, Ft Lauderdale, FL, May 2006

A. Molnar, F. Werblin, “Amacrine-Mediated Feedback Between Bipolar Cells Enhances Temporal Diversity in The Mammalian Retina”, Association for Research In Vision and Opthamology annual meeting, Ft Lauderdale, FL, May 2005