This brief provides a detailed analysis of active pixel sensor, pixel and column circuit. Surprisingly, we find that shorter readout times can be achieved by reducing the bias current and hence reducing energy consumption. We investigate the effect of nonidealities on the readout operation. We find that when the follower transistor channel-length modulation is taken into consideration, delay is...

This paper presents equivalent circuit modeling of active planar reflectors which can be used for the detailed analysis and characterization of reflector performance in terms of lumped components. Equivalent circuit representation has been proposed for PIN diodes and liquid crystal based active planar reflectors designed within X-band frequency range. A very close agreement has been demonstrate...

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S INCE THE ADVENT OF OPEN-HEART SURgery , surgeons and pump-oxygenator technicians have striven to niake their work more simple, yet remain within safe boundaries. The purpose of this paper is to present two details we have adopted in our pump-oxygenator circuit. In many pump-oxygenators, the venous blood from the patient is returned to the top of a venous reservoir where it then falls down int...

This study presents the effect of vertical and horizontal oriented cracks on free vibration response for circular annular thin plates. To investigate dynamic behavior damaged structures are modeled separately considering horizontal/vertical orientations, ten different locations, four crack sizes. For plates, placed in middle between outer inner edges to directions. The first five resonant frequ...

The paper presents some results of the experiments with IEEE 1149.4 KLIC Test Chip in the area of active RC filters implemented in thick-film hybrid technology. The influence of analog boundary modules (ABMs) on circuit performance is analysed in the case study of active RC notch filter. INTRODUCTION In this paper we present some results of the experiments with IEEE 1149.4 KLIC Test Chip in the...

1.1 Equivalent circuit of a pixel in LCDs The equivalent circuit of a pixel operated by active matrix driving is shown in Fig. 1. Data lines are connected to a data driver for generating the signal pulses for the picture data. Scan lines are connected to a scan driver for generating the scan pulses which enable the addressing driving. Vsig and Vg are applied to the data lines and scan lines, re...

This paper presents the most important multilevel inverter topologies like diode-clamped inverter (neutral-point clamped), capacitor-clamped (flying capacitor), and cascaded multicell( H-Bridge ) with separate dc sources. A Comparison of 5-level hybrid cascaded inverter with PWM method, 5 level diode clamped inverter & 5 level capacitor coupled inverter is also presented in this paper. This pap...