• SiGe 43.2 Gb/s 4:1 Multiplexor and Clock Multiplier for OC-768 Fiber Communications
  
• A SiGe 10-Gb/s Multi-Pattern Bit Error Rate Tester
  
• SiGe Fires Single-Chip Fractional-N Synthesizer

PUBLICATIONS

• "Design of a 10 GHz Silicon Modulator Based on a 0.25 um CMOS Process: A Silicon Photonic Approach," 2006 Photonics West, San Jose, CA.
• "SiGe 43.2 Gb/s 4:1 Multiplexor and Clock Multiplier for OC-768 Fiber Communications," 2003 RFIC Symposium, Philadelphia, PA.
• "A SiGe 10-Gb/s Multi-Pattern Bit Error Rate Tester," 2003 RFIC Symposium, Philadelphia, PA.
• "Fully-Integrated SONET OC48 Transceiver in Standard CMOS", 2001 International Solid State Circuits Conference, San Francisco, CA
• "Unaided 2.5 Gb/s Silicon Bipolar Clock and Data Recovery IC," 1998 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, Baltimore, MD.
• "2.488 Gb/s Silicon Bipolar Clock and Data Recovery IC for SONET (OC-48)," IEEE 1998 Custom Integrated Circuits Conference, Santa Clara, CA.
• "A Gate-Array Based 500 MHz Triple Channel ATE Controller with 40 pS Timing Verniers," IEEE VLSI Test Symposium, Princeton, N.J., 1995.
• "An Integrated PLL Clock Generator for 275 MHz Graphic Displays," 1990 IEEE Custom Integrated Circuits Conference, Boston, MA, and in Monolithic Phase-Locked Loops and Clock Recovery Circuits, B. Razavi, editor, IEEE Press, 1996.
• Contributed two articles to the Wiley Encyclopedia of Electrical and Electronics Engineering, 1999, on Bipolar Logic Circuits and Variable Frequency Oscillators, and one to the Wiley Encyclopedia of RF and Microwave Engineering.

Courses Given: "High Speed Bipolar Design for Mixed Signal Circuits," CICC '97 and CICC '98 Educational Sessions.

PATENTS

• Seal Ring for Integrated Circuits
• Detection of Frequency Differences between Signals 
• Method and circuitry for implementing a differentially-tuned varactor-inductor oscillator
• GM cell based control loops
• Integrated circuit transformer with inductor-substrate isolation
• LC oscillator with delay tuning