Simon M. Law | Researchain

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Featured researches published by Simon M. Law.

custom integrated circuits conference | 1988

A quasi-passive CMOS pipeline D/A converter

Fong-Jim Wang; Gabor C. Temes; Simon M. Law

A novel pipeline digital-to-analog converter (DAC) configuration is described which is based on switched-capacitor techniques. The circuit needs only n+1 capacitors and 4n+1 capacitors and 4n+2 switches for n-bit D/A (digital-to-analog) conversion. The configuration is fast and accurate and requires a small chip area. An experimental 10-bit DAC prototype has been fabricated using a 3- mu m CMOS process. The results show that it can achieve high-speed and high-accuracy operation without any trimming.<<ETX>>

IEEE Journal of Solid-state Circuits | 1984

An NMOS buffer amplifier

B.A. Rodriguez; Gabor C. Temes; K.W. Martin; Simon M. Law; R. Handy; N. Kadekodi

A wideband buffer amplifier, suitable for amplifying fast pulses originating from a high-impedance capacitive source (photodiode, transducer, biological probe, etc.) has been designed and fabricated using 3-5/spl mu/m NMOS technology. The circuit exhibits wide bandwidth (4.6 MHz) and fast rise time (100 ns) even for large capacitances (~10 pF) at its input and output terminals. A wide range of input signals (from 5 nA to several hundred mA) can be handled.

Archive | 1990