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Lab report of ETE 02
Lab report of ETE 02

data acquistion and signal processing
data acquistion and signal processing

... Most common, the impedance of the two input terminals are balanced and have high values, typically 109Ω, or greater. The input bias currents should also be low, typically 1nA to 50nA. As with op amps, output impedance is very low, nominally only a few milliohms, at low frequency. ...
ADL5369 - Analog Devices
ADL5369 - Analog Devices

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... condition, which is defined as a high-to-low transition on the SDA low while SCL is high. The slave device connected to the bus responds to the start condition and shifts in the next eight data bits under control of the serial clock. These eight data bits consist of a 7-bit address, plus a read/writ ...
Mechanic Computer Hardware (SEMESTER PATTERN) Designed in: 2013
Mechanic Computer Hardware (SEMESTER PATTERN) Designed in: 2013

... mechanisms to rescue the effected by electric shocks or any physical injuries. Basic terms such as electric charges, Potential difference, Voltage, Current, Resistance. Basics of AC & DC. Terms such as +ve cycle, -ve cycle, Frequency, Time period, RMS, Peak, P-P, instantaneous value. Single phase an ...
Elliptic Filter Advantages
Elliptic Filter Advantages

... In modern electronics, it is important to be able to separate a signal into different frequency regions. In analog electronics, four classes of filters exist to process an input signal: low-pass, high-pass, band-pass, and band-stop. Further, many different types of filters exist under each major cla ...
EE 321 Analog Electronics, Fall 2011 Homework #7 solution
EE 321 Analog Electronics, Fall 2011 Homework #7 solution

... This is tabulated in the fourth column. The maximum output voltage swing is determined by cutoff, iC = 0, so that vo,max = VCC − VCE This is tabulated in the fifth column. IC (mA) VCE (V) A vo,min (V) vo,max (V) ...
BD00IA5MEFJ-LB
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D4 HP Dimmer User’s Manual Rev 1.01

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Electromagnetic-Thermal Analysis Study Based on HFSS

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... The FFPF08H60S is a hyperfast II diode with soft recovery characteristics. It has the half recovery time of ultrafast diodes and is silicon nitride passivated ionimplanted epitaxial planar construction. These devices are intended to be used as freewheeling/ clamping diodes and diodes in a variety of ...
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IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)

... grown all over the world. During the recent years. there is a great demand for portable devices like cellular phone , palm top computers, GPRS receivers, pocket calculator, and pacemakers. They all demand for low power. Hence low power design has emerged as a very attractive and fast development fie ...
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... Since receiver input is usually from a transmission line where long cable lengths and system interference can degrade the signal, the inputs have a typical hysteresis margin of 300mV. This ensures that the receiver is virtually immune to noisy transmission lines. Should an input be left unconnected, ...
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Lab Manual
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... Figure 3 shows a map of the lower part of the Program Memory. After reset, the CPU begins execution from location 0000H. As shown in Figure 3, each interrupt is assigned a fixed location in Program Memory. The interrupt causes the CPU to jump to that location, where it commences execution of the ser ...
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... c Variation of the line current according to the motor operating point Since the fundamental current drawn by the drive is practically in phase with the voltage, the current is proportional to the electric power drawn from the line supply. If we disregard the efficiency, this current is therefore p ...
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... various components commonly used in filter circuits, time constant operations, and resonant circuits. The course of study also includes transformer and relay operations and troubleshooting. Learning Outcomes: Upon successful completion of this course the student will be able to: 1. Describe the basi ...
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Chapter 19

... – as the material warms up some electrons break free and can move about, and it takes on the properties of a conductor - albeit a poor one – however, semiconductors have several properties that make them distinct from conductors and insulators Storey: Electrical & Electronic Systems © Pearson Educat ...
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... circuit is very simple to be implemented, but since the clockpath of all flip-flops (FFs) toggle at every clock cycle, they consume a significant amount of power. This problem was extensively addressed in [2] and, attenuate in [3], by implementing a parallel LFSR and adopting an efficient switch min ...
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... The DS1868B contains two 256-position potentiometers whose wiper positions are set by an 8-bit value. These two 8-bit values are written to a 17-bit I/O shift register which is used to store the two wiper positions and the stack select bit when the device is powered. A block diagram of the DS1868B i ...
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... There are two types of current in circuits - Alternating Current (AC) and Direct Current (DC). In DC circuits, the charge carriers will only flow one direction round a circuit, in the case of electrons, this is from the negative to the positive terminal. In AC circuits, the terminals constantly chan ...
Chapter 3 IGBT Module Selection and Application
Chapter 3 IGBT Module Selection and Application

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Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
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