This paper presents a fully-integrated NEMS resonator together with a compact built-in CMOS interfacing circuitry. The proposed low-power CCII circuit allows measuring the mechanical frequency response of the nanocantilever structure in the MHz range. Detailed experimental results at different DC biasing conditions and pressure levels are presented for a real mixed electro-mechanical system int...

We propose an analog CMOS circuit for developing a biologically-inspired locomotion controller for a quadruped walking robot. The proposed circuit is based on the biological neural network, called the central pattern generator (CPG), that can generate rhythmic movements for locomotion of animals, such as walking, running, swimming, and flying. We constructed a CPG model from the WilsonCowan neu...

In this paper, design and analysis of a programmable CMOS-based function generator circuit is presented. The proposed circuit implements trapezoidal and triangular functions with all parameters (slope, position, width and height) independently and continuously adjustable. The proposed circuit achieves higher speed compared to the available previous work by not using winner takes all or looser t...

A new automatic tuning circuit based on synchronous rectification scheme is proposed and functions in the idle periods between the burst-mode transmissions. The proposed CMOS tuning circuit can be fully integrated with the front-end filter. Simulation results employing 0.5μm CMOS technology have verified that the center frequency is automatically tuned to 1.25GHz with 10% process variation pres...

This paper describes the design of a bandgap reference, implemented in 0.50 μm CMOS technology. The circuit generates a reference voltage of 1.2218V. It can operate between 20oC & 70o C. Total variation of reference voltage within the temperature range is 2.6mV which is 0.213% of the reference voltage. This circuit works in a current feedback mode, and it generates its own reference current, re...

The tremendous growth in wireless LANs has generated interest in technologies that provide higher data rates and greater system capacities. The IEEE 802.11a standard [1], based on coded OFDM modulation [2], provides nearly five times the data rate and at least 20 times the overall system capacity compared to the incumbent 802.11b wireless LAN systems [3]. This article describes the design chall...

in this paper, a new structure possessing the advantages of low-power consumption, less hardware and high-speed is proposed for fuzzy controller. the maximum output delay for general fuzzy logic controllers (flc) is about 86 ns corresponding to 11.63 mflips (fuzzy logic inference per second) while this amount of the delay in the designed fuzzy controller becomes 52ns that corresponds to 19.23 m...

The very fast growing market of portable equipment is increasing interest in low power integrates circuit. So, designing low power integrated circuits requires reduction of supply voltages and interconnection parasitic to minimum but reduction in supply voltage implies series of problems in circuit design. To overcome these issues, an Ultra low power low voltage two stage class AB CMOS fully di...

We have developed an integrated circuit for in situ monitoring and characterization of CMOS post-process micromachining. In our demonstration, the circuit provides automated readout of N-well resistors surrounding each of 140 micromachining test structures at up to 14,000 samples per second per device during the post-process silicon etch. We use this circuit to examine the effect of pit size, s...

This work presents the micro-mirror switch array for use on free-space optical interconnect platform which integrated with a digital 1×8 de-multiplexer on-chip control circuit together. The device employs electrostatic actuation for light beam directions control. The diameter of each mirror is about 50 μm and the overall chip size is around 1.8 by 1.8 mm. The professional simulation software wa...