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This article is presented by:

Yrd.Doç.Dr.Mutlu Boztepe


Transformer isolation

Objectives:
• Isolation of input and output ground connections, to meet
safety requirements
• Reduction of transformer size by incorporating high
frequency isolation transformer inside converter
• Minimization of current and voltage stresses when a
large step-up or step-down conversion ratio is needed —
use transformer turns ratio
• Obtain multiple output voltages via multiple transfo ....etc

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Abstract—

This paper proposes a new soft-switched continuousconduction- mode (CCM) boost converter suitable for high-power applications such as power factor correction, hybrid electric vehicles, and fuel cell power conversion systems. The proposed converter achieves zero-voltage-switched (ZVS) turn-on of active switches in CCM and zero-current-switched turn-off of diodes leading to negligible reverse-recovery loss. The components’ voltage ratings and energy volumes of passive components of the proposed converter are greatly reduce ....etc

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General Description


Abstract
The ADC0801, ADC0802, ADC0803, ADC0804 and ADC0805 are CMOS 8-bit successive approximation A/D converters that use a differential potentiometric ladder—similar to the 256R products. These converters are designed to allow operation with the NSC800 and INS8080A derivative control bus with TRI-STATE output latches directly driving the data bus. These A/Ds appear like memory locations or I/O ports to the microprocessor and no interfacing logic is n ....etc

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DC-DC Power Converters


introduction

Dc-dc power converters are employed in a variety of applications, including power supplies for
personal computers, office equipment, spacecraft power systems, laptop computers, and
telecommunications equipment, as well as dc motor drives. The input to a dc-dc converter is an unregulated
dc voltage Vg. The converter produces
a regulated output voltage V, having a
magnitude (and possibly polarity) that
differs from Vg ....etc

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Synthesis Control of Switching Topologies of Converters

ABSTRACT
An intelligent inference pipeline for the control of a dc-dc buck-boost converter was designed and built using a semi-custom. The switching topologies of the converter was mapped into a look-up table that was synthesized into controllers, and detectors for building complete instrument systems.
Two different topologies are called buck“boost converter. Both of them can produce an output voltage much larger (in absolute magnitude) than the inpu ....etc

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Multilevel voltage source converters are emerging as a new breed of power converter options for high-power applications. Here, staircase voltage wave is generated from several levels of dc capacitor voltages. the voltage unbalance between different levels is the major disadvantage of multilevel converters. voltage clamping or capacitor charge control are the main techniques used to solve this. The following types of multilevel voltage source converters are described here:
a)diode-clamp: The diode-clamp method can be applied to highe ....etc

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1. AC/DC power conversion interface for self-excited induction generator
2. Analysis and implementation of Vienna Rectifiers in Distribution Power System
....etc

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DAC and ADC converters

-Data Converter impacts the factor for the performance of the overall radio design
-Requirements: very high sampling rates, high number of effective quantization bits, an operating bandwidth of several Ghz, a large spurious-free dynamic range, a reasonable price
-DAC and ADC converters
-Sampling and Quantization
-Nyquist Zones
-Aliasing
-Bandpass filtering – uses image to translate bandpass signals to baseband
-Errors occurs in Quantization
-Quantization Noise
....etc

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