The paper presents an analogue front-end and ADC integrated circuit for processing signals of sensors implanted into joint prosthesis. The circuit is designed to be operated with Wheatstone bridge sensors, such as strain gauges, pressure, Hall Effect, magneto-resistive sensors, etc. It performs sensor supply multiplexing, sensor signal amplification with chopper modulation, offset compensation ...

This paper discusses architectural and circuit-level aspects related to hardware realizations of fuzzy controllers. A brief overview on fuzzy inference methods is given focusing on chip implementation. The singleton or zero-order Sugeno’s method is chosen since it offers a good trade-off between hardware simplicity and control efficiency. The CMOS microcontroller described herein processes info...

The objective of this research is to develop built-in testing (BIT) techniques for the functional verification of analog and RF circuits and systems. The aim is to avoid the use of external analog instrumentation so that the cost of testing is reduced. The major challenges addressed by this work are: (1) To develop techniques for the on-chip test of integrated RF and analog circuits through a f...

An analog circuit for edge detection was proposed based on vertebrate outer retinas. The chip which contained 40× 40 unit circuits in a two-dimensional array was fabricated with 0.35 μm CMOS process. Edge images were experimentally observed in a brightness range over 3 orders of magnitude. It was clarified by simulation with the simulation program with integrated circuit emphasis (SPICE) that a...

A floating gate charge-sharing circuit that can be electrically programmed for precise positive and negative voltage changes, and can be implemented in a standard CMOS VLSI process is presented. With the advantage of its longterm charge-retention, the floating gate charge-sharing circuit is suitable for providing a compact, non-volatile and high-precision analog trimming method to trim the offs...

Along with the miniaturization of CMOS-LSIs, control methods for LSIs have been extensively developed. The most predominant method is to digitize observed values as early as possible and to use digital control. Thus, many types of analog-to-digital converters (ADCs) have been developed such as temperature, time, delay, and frequency converters. ADCs are the easiest circuits into which digital c...

This paper presents the current tendency in automotive industry, analyses the influence into the Integrated Circuit (IC) design, and proposing project and process transferable solutions for overcoming some of the common problems.

The aim of this work is to assist designing of robust circuits to minimize the amount of defective circuits and therefore to increase the yield of production. The Fraunhofer ITWM considers electronic circuits at system level using its EDA software Analog Insydes, which allows analysis and symbolic approx ima tion of nominal analog circuits. The software now has been extended to handle parameter...

Versatile dual-mode class-AB CMOS four-quadrant analog multiplier circuit is presented. The dual translinear loops and current mirrors are the basic building blocks in realization scheme. This technique provides; wide dynamic range, wide-bandwidth response and low power consumption. The major advantages of this approach are; its has single ended inputs; since its input is dual translinear loop ...