Articles
A 32-mW 320-MHz Continuous-Time Complex Delta-Sigma ADC for Multi-Mode Wireless-LAN Receivers (with Jesus Arias, Peter Kiss, Vito Boccuzzi, Mihai Banu, David Bisbal, Jacinto San Pablo, Luis Quintanilla, and Juan Barbolla), IEEE Journal of Solid-State Circuits (2006)
We present an experimental continuous-time complex delta-sigma multi-bit modulator, implemented in standard 0.25-μm CMOS technology...
One-Tap Wideband I/Q Compensation for Zero-IF Filters (with Peter Kiss), IEEE Transactions on Circuits and Systems (2004)
The I/Q imbalance is one of the performance bottlenecks in transceivers with stringent requirements imposed...
A "Divide and Conquer" Technique for Implementing Wide Dynamic Range Continuous-Time Filters (with Yorgos Palaskas, Yannis Tsividis, and Vito Boccuzzi), IEEE Journal of Solid-State Circuits (2004)
This paper presents a technique for implementing analog filters with wide dynamic range and low...
Complex Low-Pass Filters (with Peter Kiss and Jack Glas), International Journal of Analog Integrated Circuits and Signal Processing (2003)
Zero-if transceivers suffer from the imbalance of the I and Q paths. By using a...
Improved Biquad Structures Using Double-Output Transconductance Blocks for Tunable Continuous-Time Filters (with Micheal M. Green), International Journal of Analog Integrated Circuits and Signal Processing (1997)
A family of gm −C biquad structures is derived. These biquads require only a pair...
Book Chapters
Power Amplifier Principles and Modern Design Techniques (with Mihai Banu), Electrical Engineering (2008)
Wireless LANs (with Jack Glas, Mihai Banu, Joachim Hammerschmidt, and Peter Kiss), Analog Circuit Design: Structured Mixed-Mode Design, Multi-Bit Sigma-Delta Converters, Short Range RF Circuits (2002)
Wireless LANs based on the IEEE 802.11 standard have achieved wide customer acceptance in the...
Conference Proceedings
A System Approach to Integrated Power Amplifier Analysis and Design (with Mihai Banu), Proceedings of the 2007 International Symposium on Signals, Circuits and Systems: Iasi, Romania (2007)
Numerous power amplifier circuits are described in the literature, which seem to follow many distinct...
GHz Serial Passive Clock Distribution in VLSI Using Bidirectional Signaling (with Mihai Banu), Proceedings of the 2006 IEEE Custom Integrated Circuits Conference: San Jose, CA (2007)
We introduce a serial passive clock distribution technique allowing efficient and accurate skew removal at...
I/Q Imbalance of Two-path Ladder Filters (with Peter Kiss), Proceedings of the 2004 IEEE International Symposium on Circuits and Systems: Vancouver, Canada (2004)
The frequency-(in)dependent I/Q imbalance of analog filters is a significant contributor to the tight noise...
Complex Low-pass Filters (with Peter Kiss and Jack Glas), Proceedings of the 2002 IEEE International Symposium on Circuits and Systems: Phoenix, AZ (2002)
Quadrature zero-if transceivers suffer from the imbalance of the I and Q paths. By using...
A CMOS AGC-less IF Strip for Bluetooth (with George Palaskas, Jack Glas, and Vito Boccuzzi), Proceedings of the 27th European Solid-State Circuits Conference: Villach, Austria (2001)
This paper presents an IF chain suitable for Low-IF fully-integrated GFSK receivers. The circuit performs...
Patents
I/Q Compensation of Frequency Dependent Response Mismatch in a Pair of Analog Low-Pass Filters (with Peter Kiss), U.S. Patent # 7,570,923 (2009)
Frequency dependent I/Q imbalance in real I/Q filter pairs compensation may be performed using a...
AC Technique for Eliminating Phase Ambiguity in Clocking Signals (with Mihai Banu), Electrical Engineering (2009)
A method involving: distributing two clock signals over a clock signal distribution system; in each...
Average Time Extraction Circuit for Eliminating Clock Screw (with Mihai Banu), United States Patent Number: 7,500,155 (2009)
The method involves detecting a first signal characterized by a periodically occurring first event, detecting...
Methods and Apparatus for Preventing a Third Party From Overhearing a Telephone Conversation (with Thaddeus Gabara), United States Patent Number: 7,471,945 (2008)
Methods and apparatus are provided for preventing a third party from listening to a conversation...
Low-Power-Dissipation CMOS Oscillator Circuits with Capacitively Coupled Frequency Control (with Thaddeus Gabara), United State Patent Number: 7,274,264 (2007)
Methods and apparatus are disclosed for adjusting the frequency tuning range of an oscillator circuit....