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As Analog CMOS ICs are prone to process variations, a minute change in the WIL ratio during fabrication might vary the specifications of the Op-Amp drastically. It is therefore essential to develop a means by which, the specification of IC can be restored even after fabrication. One such approach is to make Analog ICs programmable, so that the specifications can be restored by applying digital input...
Boost converter circuit is widely used as DC-DC converter in the photovoltaic system applications but they are time variant and periodic in nature because of its switching operations. In this paper small signal state-space averaging technique is used for modeling of the DC-DC boost converter as a time invariant system by using set of differential equations that can represent the system working during...
In this work a surface potential based compact model is presented for GaN material based High Electron Mobility Transistors. We have developed model for charges, drain current and gd (output conductance) which is surface potential based and physically accurate. Our model has shown excellent agreement with experimental data for drain current and gd. This model is capable of showing correct physical...
A MEMS capacitive microphone with high mechanical sensitivity is presented. The microphone has a diaphragm thickness of 1 μm, 0.5 × 0.5 mm2 dimension, and an air gap of 1.0 μm. Using the results from analysis and simulation, important features of MEMS capacitive microphone such as pull-in voltage, sensitivity and resonance frequency are respectively obtained as 3.8v, −43dbv/Pa, and 74 kHz. A model...
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