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... to the IGBT emitter current and provided protection. In contrast, instead of monitoring an ampere-level large current, the 1200V Large DIPIPM TM Ver. 4 Series has been changed to detect the voltage corresponding to a milliampere-level sense current divided from the emitter current, and to provide pr ...
CircuitI_exp081411498038
CircuitI_exp081411498038

MX856/MX857
MX856/MX857

... IXYS Integrated Circuits Division makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to make changes to specifications and product descriptions at any time without notice. Neither circuit patent licenses nor ...
Application Note: AN-114 ITC117P Integrated Telecom Circuit
Application Note: AN-114 ITC117P Integrated Telecom Circuit

... The ITC series integrates the major components found in a typical Data Access Arrangement (DAA), in a 16 lead SOIC package. As highlighted in figure 1, the 1-Form-A MOSFET SSR, Darlington transistor, bridge rectifier, and optical isolator comprise this integral design. Following is the functional ex ...
Working with the 555:
Working with the 555:

... Now let us look into the IC’s & other electrical components that are going to be used for the hands on workshop: But, first of all, let’s see what an IC is: IC – integrated circuit – is a small chip which when given input, performs some specific operation on the inputs & gives some output. It basic ...
Log-domain low pass high pass first-order filter
Log-domain low pass high pass first-order filter

... logarithm amounts to forcing the current through a diode, producing a voltage which is applied to the actual log filter. The log filter output voltage is mapped to a linear output current with an exponential function by applying this voltage to the base of a n-pn transistor whose emitter is grounded ...
Product Data Sheet - Vectron International
Product Data Sheet - Vectron International

1422-1 Resonance and Filters - Cleveland Institute of Electronics
1422-1 Resonance and Filters - Cleveland Institute of Electronics

Is Only Full SiC the "Real" SiC?
Is Only Full SiC the "Real" SiC?

... bidirectional DC/DC converter (i.e. ESS). It can also be scaled up for higher power application by parallel operation across three phases. On a given Solar application, the change from pure Silicon to Hybrid Silicon Carbide and a faster IGBT doubles the switching frequency from 8 to 16kHz at constan ...
Power Transformers Specs | Plitron
Power Transformers Specs | Plitron

... Three input configurations are offered. The standard input is dual 115 VAC windings (Type 7), parallel connected for 115 VAC, or series for 230 VAC at 50 / 60 Hz. Optional input type A is a single 117 VAC winding at 60 Hz. Type 5 is an optional 6 wire input, dual 0-100-120 VAC windings, series or pa ...
LM2901/ LM2901A/ LM2903/ LM2903A Description Features Pin
LM2901/ LM2901A/ LM2903/ LM2903A Description Features Pin

... lead is inadvertently allowed to capacitive couple to the inputs via stray capacitance. This shows up only during the output voltage transition intervals as the comparators change states. Standard PC board layout is helpful as it reduces stray input-output coupling. Reducing the input resistors to < ...
LT5570 - Linear Technology
LT5570 - Linear Technology

... a fully balanced source. When the signal is from a singleended 50Ω source, conversion to a differential signal is required to achieve the maximum dynamic range. This is best achieved using a 1:4 balun to match the internal 200Ω input impedance as shown in Figures 1 and 3. This impedance transformati ...
The_Condenser_Problem
The_Condenser_Problem

... tries to drive the current further (it's one of the most significant behaviours of an inductor, to keep current / counter-act on changes! In the same dircetin than like it entered L1 to the capacitor C2. This means it charges this capacitor C2 in reverse polarity, so you must place it in reverse pol ...
EET 270 Midterm Exam Review
EET 270 Midterm Exam Review

... will not automatically re-start when power is lost, what characteristic should you be looking for? ...
Block Diagram Abstraction - NAU jan.ucc.nau.edu web server
Block Diagram Abstraction - NAU jan.ucc.nau.edu web server

... Function blocks are blocks that represent a function, process, transformation, or activity. A diagram composed of groups of function blocks is called a function diagram or a function block diagram. The lines that connect function blocks represent inputs and outputs with distinct characteristics tha ...
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)

... The comparator compares the voltages that appear at their inputs and outputs a voltage representing the sign of the net difference between them. Comparators are important elements in modern mixed signal systems. Speed and resolution are two important features which are required for high speed applic ...
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GG2310881094

Download G3000 Datasheet
Download G3000 Datasheet

... The G3000 Frequency Relay is intended for frequency monitoring on generators, busbars or other distribution systems. The relay contains the functions “under frequency” and “over frequency”, time delayed, and two individual output relays—one relay for each function. Basic adjustments can be done on t ...
PDF Two Hand Relay BG5933, BH5933
PDF Two Hand Relay BG5933, BH5933

LP38851 800 mA Fast-Response High
LP38851 800 mA Fast-Response High

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A Technique for Reducing Rectifier Reverse-Recovery

Inductor equations - Electro Tech Online
Inductor equations - Electro Tech Online

MAX1708 datasheet
MAX1708 datasheet

Converter Modules
Converter Modules

... output, and to any count signal voltage from +3 to +28 VDC. The module accepts input count pulses from NPN Open-Collector Transistor outputs, BiPolar outputs, or sourcing outputs such as Emitter-Follower or PNP OpenCollector Transistors (Sourcing outputs must be externally loaded with a load of 10 K ...
A Low Power Wide Dynamic Range Envelope Detector
A Low Power Wide Dynamic Range Envelope Detector

... independent of the input dc voltage or carrier frequency. In this is the negative implementation, the rectifier output current with half wave corresponding to ideally zero dc offset. As we have seen, however, there is . We will one very important condition, namely, show that both the minimum detecta ...
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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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