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scr_res.pdf
scr_res.pdf

... 5mA or so, quiescent, so a 1K will only drop 5V, but a 10K will drop 50V, which would make a difference in bias current. The difference between 10 ohms and 500 is negligible, as far as current is concerned, because we are only talking about a couple of volts. Now, at full power, the screen current i ...
MAX14661 Beyond-the-Rails 16:2 Multiplexer General Description Features and Benefits
MAX14661 Beyond-the-Rails 16:2 Multiplexer General Description Features and Benefits

... analog multiplexer allowing any of the 16 pins to be connected to either common pin simultaneously in any combination. The device features Beyond-the-RailsTM capability so that ±5.5V signals can be passed with any single supply between +1.6V and +5.5V. The serial control is selectable between I2C an ...
Service Pricelist
Service Pricelist

... the appropriate touch up paints. Internally, when the old parts and boards have been removed – dirt, old thermal heatsink compound and dust are scrubbed or blown away. Knobs are removed cleaned and reset. Fascias are cleaned and detailed and returned to their full lustre. If not being replaced, rear ...
Saturation of Photodiode at High Intensity
Saturation of Photodiode at High Intensity

Parallel Circuits
Parallel Circuits

... a voltage source, as shown in Fig. 5–1. In this figure, R1 and R2 are in parallel with each other and a 1.5-V battery. In Fig. 5–1b, the points A, B, C, and E are equivalent to a direct connection at the positive terminal of the battery because the connecting wires have practically no resistance. Si ...
dperco@cogeco
dperco@cogeco

PREPARATION OF TRANSFORMER SPECIFICATIONS
PREPARATION OF TRANSFORMER SPECIFICATIONS

Dealing with Noise on ZoomingADC
Dealing with Noise on ZoomingADC

ZXT13N50DE6 Features Mechanical Data
ZXT13N50DE6 Features Mechanical Data

... Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any c ...
JHJDS2022A \ JHJDS2012A handheld digital storage oscilloscope
JHJDS2022A \ JHJDS2012A handheld digital storage oscilloscope

... The ac and dc component of the signal. According to the probe attenuation factor to select one of the values in order to maintain the correct reading of the vertical deflection factor. There are three types: 1X, 10X, 100X Open display waveforms Close display waveforms Automatically displays the curr ...
ZHCS350 Product Summary Features
ZHCS350 Product Summary Features

... Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. LIFE SUPPORT Diodes Incorporated products are specifically n ...
MAX9994 SiGe High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch General Description
MAX9994 SiGe High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch General Description

... 2000MHz LO frequency range, this particular mixer is ideal for low-side LO injection receiver architectures. High-side LO injection is supported by the MAX9996*, which is pin-for-pin and functionally compatible with the MAX9994. In addition to offering excellent linearity and noise performance, the ...
Betapack 3 Specification Document
Betapack 3 Specification Document

... 2. Each 230/240VAC dimmer module, with circuitry in the Digital Controller, regulates output voltage with changes in the AC line from 220 to 250 volts RMS. 3. The dimmer output levels shall be regulated for incoming line voltage variations. Dimmers will maintain output RMS voltage within +/-2% with ...
ZTX751 Features Mechanical Data
ZTX751 Features Mechanical Data

... Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any c ...
abb corporate b-roll 2006
abb corporate b-roll 2006

... Qatalum is one of the world’s largest aluminum smelters with a production capacity of 585,000 metric tons per year. ABB supplied a high-voltage power conversion station as well as control and protection systems (System 800xA, SCADA) and electrical equipment for the plant. The high power converters a ...
MAXQ61H 16-Bit Microcontroller with Infrared Module General Description Features
MAXQ61H 16-Bit Microcontroller with Infrared Module General Description Features

... Note 3: The power-fail reset and power-on-reset (POR) detectors operate in tandem to ensure that one or both signals are active at all times when VDD < VRST. Doing so ensures the device maintains the reset state until the minimum operating voltage is achieved. Note 4: Guaranteed by design and not pr ...
UPS Basics - Potencia Technologies
UPS Basics - Potencia Technologies

... You may want to service the UPS yourself. If that’s the case, look for a unit that allows you to add capacity with power and/or battery modules. While modular solutions—including multiple, paralleled systems—are often a more affordable option initially, they can be a more expensive solution over the ...
AD7190 数据手册DataSheet下载
AD7190 数据手册DataSheet下载

... CS falling edge to SCLK active edge setup time4 Data valid to SCLK edge setup time Data valid to SCLK edge hold time CS rising edge to SCLK edge hold time ...
26 13 16 Medium-voltage fusible interrupter switchgear
26 13 16 Medium-voltage fusible interrupter switchgear

HSPICE Quick Reference Guide
HSPICE Quick Reference Guide

Motion for Dummies
Motion for Dummies

... types of anisotropy are: (a) crystal, (b) stress, (3) shape, and (d) exchange. To learn more about them please refer to a technical text. If the material has a high flux density and a strong internal force it can influence other domains. However, domains on the periphery of the magnet volume have fe ...
Planning Guidelines - SUNNY TRIPOWER 60
Planning Guidelines - SUNNY TRIPOWER 60

... circuits are checked during the inverter start-up phase. If a circuit fails more than once out of three times during the self-test, the inverter switches to "fail-safe" mode. If the measured grid voltages, power frequencies, or residual currents during normal operation differ too much between the tw ...
26 13 16 Medium-voltage fusible interrupter switchgear (air
26 13 16 Medium-voltage fusible interrupter switchgear (air

... CTs shall be single ratio (SR) as shown on the contract drawings and shall have a short-circuit rating not less than that of the associated switchgear. Standard CTs are rated 600:5, C100 accuracy. They shall be capable of carrying the rated primary current for a period of one minute with the seconda ...
TDA8025HN
TDA8025HN

... XTAL1 or from a crystal (fxtal ≤ 26 MHz) connected between pins XTAL1 and XTAL2. The voltage level applied to pin ENCLKIN defines which clock signal is used. When pin ENCLKIN is HIGH, connect the external clock to pin XTAL1. Driving pin ENCLKIN LOW causes the external crystal to generate frequency f ...
Archived: DAQCard-700 User Manual
Archived: DAQCard-700 User Manual

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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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