R. L. Geiger and A. Budak, "Design of Active Filters Independent of First- and Second-Order Operational Amplifier Time Constant Effects", IEEE Transactions on Circuits and Systems, vol. 27, pp. 749-757, August 1981.
S. Chao and R. L. Geiger, "Dynamic Calibration of Current-Steering DACs", IEEE Int. Symposium on Circuits and Systems, Kos, Greece, pp. 117-120, May 2006.
X. Dai, D. Chen, and R. L. Geiger, "Explicit Characterization of Bandgap References", IEEE Int. Symposium on Circuits and Systems, Kos, Greece, pp. 573-576, May 2006.
L. Jin, H. Xing, D. Chen, and R. L. Geiger, "A Self-Calibrated Bandgap Voltage Reference with 0.5 ppm/°C Temperature Coefficients", IEEE Int. Symposium on Circuits and Systems, Kos, Greece, pp. 2853-2856, May 2006.
Y. Lin and R. L. Geiger, "Unit Resistor Characterization for Matching-Critical Circuit Design", IEEE Int. Symposium on Circuits and Systems, Kos, Greece, pp. 2458-2861, May 2006.
K. Wada and R. L. Geiger, "Minimization of Total Area in Integrated Active RC Filters", IEEE Int. Symposium on Circuits and Systems, Kos, Greece, pp. 433-436, May 2006.
H. Xing, D. Chen, and R. L. Geiger, "Linearity Test for High Resolution DACs Using Low-Accuracy DDEM Flash ADCs", IEEE Int. Symposium on Circuits and Systems, Kos, Greece, pp. 2469-2472, May 2006.
H. Xing, L. Jin, D. Chen, and R.L. Geiger, "Characterization of a
Current-Mode Bandgap Circuit Structure for High Precision Reference
Applications", IEEE Int. Symposium on Circuits and Systems, Kos, Greece, pp.
569-572, May 2006.
M. M. Amourah, S. Q. Malik, and R. L. Geiger, “A New Design Technique for Rail-to-Rail Amplifiers”, IEEE Midwest Symposium on Circuits and Systems, Cincinnati, Ohio, pp. 263-266, August 2005.
V. Katyal, Y. Lin, R. L. Geiger, and D. J. Chen, “Statistical Modeling of Over-Range Protection Requirement for a Switched Capacitor Inter-Stage Gain Amplifier”, IEEE Midwest Symposium on Circuits and Systems, Cincinnati, Ohio, pp. 1819-1822, August 2005.
Y. Lin, V. Katyal, and R. L. Geiger, “New Over-Range Protection Scheme in Pipelined Data Converters”, IEEE Midwest Symposium on Circuits and Systems, Cincinnati, Ohio, pp. 283-286, August 2005.
S. Q. Malik and R. L. Geiger, “Simultaneous Capacitor Sharing and Scaling for Reduced Power in Pipeline ADCs”, IEEE Midwest Symposium on Circuits and Systems, Cincinnati, Ohio, pp. 1015-1018, August 2005.
B. Soufi, S. Q. Malik, and R. L. Geiger, “A Capacitor Sharing Technique for RSD Cyclic ADC”, IEEE Midwest Symposium on Circuits and Systems, Cincinnati, Ohio, pp. 859-862, August 2005.
L. Jin, K. Parthasarathy, T. Kuyel, R. L. Geiger, and D. Chen, “High-Performance ADC Linearity Test using Low-Precision Signals in Non-Stationary Environments", IEEE Int. Test Conference, pp. 1182 – 1191, November 2005.
K. Parthasarathy, T. Kuyel, Z. Yu, D. Chen and R. L. Geiger, ”A 16-bit Resistor String DAC with Full-Calibration at Final Test", IEEE Int. Test Conference, pp. 66 –75, November 2005.
C. Su, X. Dai and R. L. Geiger, “A Novel Dynamic Calibration Approach for Current-Steering DACS", Proc. of the IEEE Int. Workshop on VLSI Design and Video Technology, Shanghai, pp. 40- 43, May 2005.
D. Chen, Z. Yu, and R. L. Geiger, “An Adaptive, Truly Background Calibration Method for High Speed Pipeline ADC Design", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 6190-6193, May 2005.
X. Dai, D. Chen, and R. L. Geiger, “A Cost-Effective Histogram Test-Based Algorithm for Digital Calibration of High-Precision Pipelined ADCs", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 4831- 4834, May 2005.
X. Dai, C. He, H. Xing, D. Chen, and R. L. Geiger, “An Nth Order Central Symmetrical Layout Pattern for Nonlinear Gradient Cancellation", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 4835-4838, May 2005.
H. Jiang, D. Chen, and R. L. Geiger, “Dither Incorporated Deterministic Dynamic Element Matching for High Resolution ADC Test Using Extremely Low Resolution DACs”, IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 4285-4288, May 2005.
H. Jiang, B. Olleta, D. Chen, and R. L. Geiger, “A Segmented Thermometer Coded DAC with Deterministic Dynamic Element Matching for High Resolution ADC Test", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, May 2005.
L. Jin, D. Chen, and R. L. Geiger, “A Digital Self-Calibration Algorithm for ADCs Based on Histogram Test Using Low-Linearity Input Signals", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 1378-1381, May 2005.
V. Katyal, Y. Lin, and R. L. Geiger, “Power Dependence of Feedback Amplifiers on Op Amp Architecture", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 1618-1621, May 2005.
Y. Lin, V. Katyal, M. Schlarmann, and R. L. Geiger, “kT/C Constrained Optimization of Power in Pipelined ADCs", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 1968-1971, May 2005.
W. Liu, H. Xing, L. Jin, R. L. Geiger, and D. Chen, “A Test Strategy for Time-to-Digital Converters Using Dynamic Element Matching and Dithering", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 3809-3812, May 2005.
S. Thoka and R. L. Geiger, “Fast-Switching Adaptive Bandwidth Frequency Synthesizer using a Loop Filter with Switched Zero-Resistor Array", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 5373-5376, May 2005.
H. Xing, D. Chen, and R. L. Geiger, ”A Two-Step DDEM ADC for Accurate and Cost-Effective DAC Testing", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 4289-4292, May 2005.
Z. Yu, D. Chen, R. L. Geiger, and Y. Papantonopoulo, “Pipelined ADC Linearity Testing with Dramatically Reduced Capture Time", IEEE Int. Symposium on Circuits and Systems, Kobe, Japan, pp. 792-795, May 2005.
H. Jiang, B. Olleta, D. Chen and R. L. Geiger, "Testing High Resolution ADCs with Low Resolution/ Accuracy Deterministic Dynamic Element Matched DACs", Proc. of the Int. Test Conference, pp. 1379-1388, October 2004.
Z. Yu, D. Chen, and R. L. Geiger, "A Computationally Efficient Method for Accurate Spectral Testing without Requiring Coherent Sampling", Proc. of the Int. Test Conference, October 2004.
H. Fei, R. L. Geiger and D. Chen, ”Optimum Area Allocation for Resistors and Capacitors in Continuous-Time Monolithic Filters", IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 865-868, May 2004.
C. He, L. Jin, D. Chen, and R. L. Geiger, ”Robust Design of High Gain Amplifiers Using Dynamical Systems and Bifurcation Theory", IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 481-484, May 2004.
C. He, K. Yap, D. Chen, and R. L. Geiger, “Nth Order Circular Symmetry Pattern and Hexagonal Tessellation: Two New Layout Techniques Canceling Nonlinear Gradient", IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 237-240, May 2004.
H. Jiang, B. Olleta, D. Chen and R. L. Geiger, "Parameter Optimization of Deterministic Dynamic Element Matching DACs for Accurate and Cost-Effective ADC Testing," IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 924-927, May 2004.
H. Jiang, H. Fei, D. Chen and R. L. Geiger, "A Background Digital Self-Calibration Scheme for Pipelined ADCs Based on Transfer Curve Estimation", IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 61-64, May 2004.
L. Jin, C. He, D. Chen, and R. L. Geiger, ”An SOC Compatible Linearity Test Approach for Precision ADCs using Easy-to-Generate Sinusoidal Stimuli", IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 928-931, May 2004.
L. Jin, C. He, D. Chen, and R. L. Geiger, ”Fast Implementation of a Linearity Test Approach for Higher Resolution ADCs using Nonlinear Ramp Signals", IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 932-935, May 2004.
B. Olleta, H. Jiang, D. Chen and R. L. Geiger, "Testing High Resolution ADCs Using Deterministic Dynamic Element Matching", IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 920-923, May 2004.
Z. Yu, D. Chen, and R. L. Geiger, ”The SRE/SRM Approach for Spectral Testing of AMS Circuits", IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 249-252, May 2004.
Z. Yu, D. Chen, R. L. Geiger, ”Accurate Testing of ADC’s Spectral Performance Using Imprecise Sinusoidal Excitations", IEEE Int. Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp 645-648, May 2004.
L. Jin, K. Parthasarathy, T. Kuyel, D. Chen and R. L. Geiger, "Linearity Testing of Precision Analog-to-Digital Converters Using Stationary Nonlinear Inputs", Proc. of the Int. Test Conference, pp. 218-227, October 2003.
M. M. Amourah, H. Bilhan, F. Ying, L. Fang, G. Xu, R. Chandrasekaran, and R. L. Geiger, “A 9b 165MS/s 1.8V Pipelined ADC With All Digital Transistors Amplifier", IEEE Custom Integrated Circuits Conference, pp. 421-424, September 2003.
Y. Tang and R. L. Geiger, "High-Frequency 750mV Operational Amplifier Standard Bulk CMOS Process", IEEE Custom Integrated Circuits Conference, pp. 689-692, September 2003.
C. He, D. Chen, R. L. Geiger, "A Low-Voltage Compatible Two-Stage Amplifier with >120dB Gain in Standard Digital CMOS", IEEE Int. Symposium on Circuits and Systems, Bangkok, Thailand, vol. 1, pp. 353-356, May 2003.
B. Olleta, L. Juffer, D. Chen and R. L. Geiger, "A Deterministic Dynamic Element Matching Approach to ADC Testing", IEEE Int. Symposium on Circuits and Systems, Bangkok, Thailand, May 2003.
K. Parthasarathy, L. Jin, T. Kuyel, D. Price, D. Chen, and R. L. Geiger, "Experimental Evaluation and Validation of a Bist Algorithm for Characterization of A/D Converter Performance", IEEE Int. Symposium on Circuits and Systems, Bangkok, Thailand, vol. 5, pp. 537 -540, May 2003.
C. Su, S. Thoka, K. C. Tiew, and R. L. Geiger, "A 40 GHz Modified-Colpitts Voltage Controlled Oscillator with Increased Tuning Range," IEEE Int. Symposium on Circuits and Systems, Bangkok, Thailand, vol. 1, pp 717-720, May 2003.
K. C. Tiew, J. Cusey, and R. L. Geiger, "Inflection Point Correction for Voltage References," IEEE Int. Symposium on Circuits and Systems, Bangkok, Thailand, vol. 1, pp 649-652, May 2003.
Z. Yu, D. Chen, and R. Geiger, "1-D and 2-D Switching Strategies Achieving Near Optimal INL for Thermometer-Coded Current Steering DACs", IEEE Int. Symposium on Circuits and Systems, Bangkok, Thailand, vol. 1, pp. 909-912, May 2003.
Y. Cong and R. L. Geiger, "A 1.5 V 14 b 100 MS/s Self-Calibrated DAC," IEEE Int. Solid-State Circuits Conference, pp. 128-129, February 2003.
X. Wang and D. Chen, "Inversion-Based Adaptive Learning Control for a One-Link Flexible Manipulator", Proc. of IEEE Int. Conference on Systems, Man, and Cybernetics, vol. 4, pp. 660 -665, October 2002.
X. Wang and D. Chen, "Robust Inversion-Based Learning Control for Nonminimum Phase Systems", Proc. of IEEE Int. Conference on Systems, Man, and Cybernetics, vol. 3, pp. 497 -502, October 2002.
X. Wang and D. Chen, “Tip Trajectory Tracking for a One-Link Flexible Manipulator Using Causal Inversion”, Proc. of the Int. Conference on Control Applications, vol. 1, pp. 507-512, September 2002.
M. M. Amourah, S. Q. Malik, and R. L. Geiger, “An MSB-First Monotonic Switched Capacitor Serial DAC”, IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
L. E. Boylston Jr., K. Brown and R. L. Geiger, "Enhancing Performance in Interpolating Resistor String DACs", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
H. Fei and R. L. Geiger, "Low-Distortion Continuous-Time Integrated Filter for Low Frequency Applications", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
A. E. Hashim and R. L. Geiger, "A High Gain Amplifier Using A Cascading Architecture", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
C. He, L. Jin, H. Jiang, D. Chen, and R. L. Geiger, "Equivalent Gain Analysis for Nonlinear Operational Amplifiers", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
H. Jiang, C. He, D. Chen and R. L. Geiger, "Optimal Loop Parameter Design of Charge Pump PLLs For Jitter Transfer Characteristic Optimization", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
L. Jin, K. Parthasarathy, T. Kuyel, D. Chen and R. L. Geiger, “A Blind Identification Algorithm for Digital Calibration of Pipelined ADC”, IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
Y. Lin, S. Q. Malik, and R. L. Geiger, “Yield Enhanced Layout Strategies for Ratio Critical Analog Circuits”, IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
B. Olleta, D. Chen, and R. L. Geiger, "A Dynamic Element Matching Approach to ADC Testing", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
K. Parthasarathy, L. Jin, T. Kuyel, D. Chen and R. L. Geiger, “A Histogram Based AM-BIST Algorithm for ADC Characterization Using Imprecise Stimulus”, IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
M. E. Schlarmann and R. L. Geiger, "Use of the Newton-Raphson Iteration to Eliminate Low Frequency Dipoles", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
C. Su, S. Thoka, K. C. Tiew, and R .L. Geiger, "Design of A Colpitts Oscillator Using Micro-stripline Inductor Compensated for Low Q", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
Y. Tang and R. L. Geiger, "A Highly Linear CMOS Amplifier For Variable Gain Amplifier Applications", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
S. Thoka, C. Su, and R. L. Geiger, "Technological Limitations of Monolithic High-Frequency Oscillators in MOS and Bipolar Processes", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
K. C. Tiew and R. L. Geiger, "An Alternative Method for Characterizing Capacitor Matching", IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
X. Wang and D. Chen, “Output Tracking Control of Nonminimum Phase Systems via Causal Inversion”, IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, August 2002.
J. Yan and R. L. Geiger, “A High Gain CMOS Operational Amplifier With Negative Conductance Gain Enhancement”, IEEE Custom Integrated Circuits Conference, pp. 337-340, May 2002.
M. Amourah and R. L. Geiger, “All Digital Transistors High Gain Operational Amplifier Using Positive Feedback Techniques”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
Y. Cong and R. Geiger, “Formulation of INL and DNL Yield Estimation in Current-Steering D/A Converters”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
A. E. Hashim and R. L. Geiger “An Amplifier Structure for High-Gain and Fast Settling Applications”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
L. Jin, K. Parthasarathy, D. Chen, and R. L. Geiger, “A Blind Identification Approach to Digital Calibration of Analog-to-Digital Converters for Built-In Self-Test”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
Y. Lin and R. Geiger, “Resistor Layout for Enhancing Yield in R-2R DACs”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
K. Parthasarathy, L. Jin, D. Chen, and R. Geiger, “A Modified Histogram Approach for Accurate Self-Characterization of Analog to Digital Converters”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
M. Schlarmann, S. Q. Malik and R. L. Geiger, “Positive Feedback Gain Enhancement Techniques for Amplifier Design”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
Y. Tang and R. L. Geiger, “A 0.6V Ultra-low voltage Operational Amplifier”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
Y. Tang and R. L. Geiger, “Effects of Open-Loop Nonlinearity on Linearity of Feedback Amplifiers”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
Y. Tang and R. L. Geiger, “Transient Bit Error Rate Analysis of the Data Recovery System using Jitter Models”, IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
K. C. Tiew, J. Cusey and R. L. Geiger, “A Curvature Compensation Technique for Bandgap Voltage References Using Adaptive Reference Temperature", IEEE Int. Symposium on Circuits and Systems, Phoenix, Arizona, May 2002.
X. Wang and D. Chen, “Causal Inversion Control for a One-Link Flexible Manipulator,” accepted to the IASTED International Conference on Control and Applications, 2002.
C. G. Yu, W. G. Bliss, and R. L. Geiger, "Performance of High-Precision Digital Tuning Algorithm," Midwest Symposium on Circuits and Systems, Monterey, California, May 1991.
J. Sweeney and R. L. Geiger, "Very High Precision Analog Trimming Using Floating Gate MOSFETS," European Conference on Circuit Theory and Design, London, England, pp. 652-655, September 1989.
K. H. Loh, D. Hiser, W. Adams, and R. L. Geiger, "A Robust Digitally Programmable and Reconfigurable Monolithic Filter Structure," IEEE Int. Symposium on Circuits and Systems, Portland, Oregon, vol. 1, pp. 110-113, May 1989.
J. Ramírez-Angulo, R. L. Geiger, and E. Sánchez-Sinencio, "A Circuit Analysis Approach to the Performance, Evaluation and Comparison of Laser-Trimmed Film Resistors," Proc. IEEE International Symposium on Circuits and Systems, San Jose, California, pp. 1201-1204, May 1986.
J. Ramírez-Angulo, R. L. Geiger, and E. Sánchez-Sinencio, "FIRE: A Computer Program to Predict the Performance of Laser-Trimmed Film Resistors," Proc. Electronics Components Conference, Seattle, Washington, pp. 405-411, May 1986.
R. L. Geiger and John Ferrell, "Voltage Control Filter Design Using Operational Transconductance Amplifiers," Proc. IEEE Int. Symposium on Circuits and Systems, Newport Beach, May 1983.
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Questions or comments may be sent to Dr. Randall Geiger.