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This paper presents the design and the practical realization of a measurement system dedicated to fast real-time multichannel registration of electronic system thermal response. The response is registered in parallel channels with a frequency up to 1 MHz- Such a high frequency is required for the thermal identification of electronic systems. The designed circuit is used here for the investigation...
In this paper a wideband MOS quadrature oscillator constituted by two multivibrators is presented. Two different forms of coupling, named here as soft and hard, are investigated. Simulations are performed in a 0.13 žm CMOS technology to obtain the tuning range, the synchronization transients, and the influence of mismatches in timing capacitors and charging currents on synchronization. It is found...
This article describes a new electrical conductance converter method suitable for very low power applications, where energy constraints prevail over speed and measurement accuracy. This method gathers voltage integration and shopper stabilization techniques to process noisy Ion level signals and overcome severe limitations of weak inversion channel CMOS circuitry. Main features, tradeoffs and upgrades...
The problem of designing radiation-tolerant devices working in application critical systems becomes very important especially if human life depends on the reliability of control mechanisms. One of the possible solution of this problem are pure software protection methods. They constitute different category of techniques to detect transient faults and correct corresponding errors. Software fault tolerance...
A simplified MOSFET model is presented in this paper. The performances of the model, UNICELL (Unique Cell Model), are compared to those provided by BSIM3V3 taken as reference, even for very short channel length MOSFET (45 nm). It is shown that using only two UNICELL cells (BICELL) gives a good deal for CAD static and dynamic usage, because of the few number of parameters to be used in comparison to...
The paper deals with the universal active filter design in current mode based on diamond transistors is presented. Circuit has abilities to work in high frequency range and adjustable features. All types of second order transfer functions are available. Theoretical assumptions are supported by simulation results in PSpice and by laboratory measurements. Impact of real substantial non-idealities caused...
A new technique for driving silicon-on-insulator pixel matrixes has been proposed in |1|, which was based on transient charge pumping for evacuating the extra photo-generated charges from the body of the transistor. An 8x8 pixel matrix was designed and fabricated using the above technique. In this paper, the measurement set-up is described and the performance evaluation procedure is given, together...
A novel approach to logical and thermal co-simulation of ASIC circuits is presented in this paper. Numerous electro-thermal simulator implementations are present nowadays, but these simulators approach the electro-thermal simulation domain by co-simulating electronic and thermal effects at a low structural level.This approach has the advantage of being very accurate but at the expense of simulation...
Small and inexpensive acceleration sensors, cameras, microphones, micro-mirrors, touch-panels and other products of the MNT industry are the core components of almost every new and innovative electronic appliance. Customer-tailored functions and specifications require a deep involvement of the customer throughout the whole value chain. Often the varying stages of the product engineering flow are carried...
An approach is proposed in the present paper to parameter extraction of geometry dependent RF planar spiral inductor model. A direct extraction procedure is developed and realized in the Cadence PSpice and Cadence Probe environment based on the measured two-port S-parameters. To minimize the error for the full range of operation a Genetic Algorithm (GA) optimization procedure is applied in MATLAB...
A novel low power Switched Capacitor Integrator with reduced effective input capacitance is proposed in this paper. It is mainly based on reducing the effective input sampling capacitance by charge sharing with an extra capacitance, such that the integration capacitance can be chosen much smaller while maintaining the same sampling to integration capacitance ratio. Reducing the integration capacitance...
In this paper we present a MOSFET-only implementation of a balun LNA. This LNA is based on the combination of a common-gate and a common-source stage with cancellation of the noise of the common-gate stage. In this circuit, we replace resistors by transistors, to reduce area and cost, and to minimize the effect of process and supply variations and mismatches. In addition, we obtain a higher gain for...
In this paper, an integrated TFT gate driver was designed on the glass substrate not only to decrease the fluctuation at the output, but also to reduce the stress effect on the pull-down branches. The fluctuation in the voltage at the output transistor was attributed to the coupled clocks through the parasitic capacitors in the TFTs. In this study, the voltage gating the pull-down braches was reduced...
A three output microelectronic circuit functionally equivalent to a hydrogen bonding network is modeled. Proton transfer characteristics of each hydrogen bond of the network are emulated by block-elements in the microelectronic circuit with their respective l-V characteristics. These characteristics are coded in Matlab where the dynamic and static analyses are carried out. The results imply that in...
This paper presents a digitally programmable delay line intended for use as timing generator in a RADAR ranging system. The architecture of the programmable delay uses a ΣΔ modulator to generate a reference clock with a delay unaffected by component matching. This reference clock has a large jitter noise component that is filtered by delay lock loop (DLL). The programmable delay can produce a delay...
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