Topics
1994 ARPA essays
- Needed: Digital Assistants that See and Hear
- The Time has come for Style and Fashion in Electronics
- Advanced Displays: Windows into Information Warfare
- Electronics Evolution: Diversity Revisited
- Today's Technology Begets Tomorrow's Military Readiness
Semiconductor design and manufacturing
Research papers of note
- Multi-port RAM
- Magnetic Flux-Controlled Gate Voltage in Superconducting Field-Effect Transistors
- Modelocking with GaAlAs and GaInAsP semiconductor laser diodes.
- Magnetic power and comm interface to a CMOS chip
- Frequency limitations in circuits composed of linear devices and The stability and passivity of MOSFET device models that use nonreciprocal capacitive elements
- Continuous Models for Communication Density Constraints on Multiprocessor Performance
Frequency limitations in circuits composed of linear devices
© Lance A. Glasser 2007-2010
All Rights Reserved
This paper investigates limitation on the frequency response of networks constructed out of components specified by their small signal models. Tellegen's theorem is used to find tight bounds on the maximum frequency of oscillation. The problem is reduced to deciding whether zero is in the numerical range of a complex non-Hermitian matrix. A decision method is presented, and transistor and negative resistance amplifier examples are developed.
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