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Future developments in the IEE Wiring Regulations
Future developments in the IEE Wiring Regulations

... IEE Wiring Matters is a quarterly publication from the Institution of Engineering and Technology (IET). The IET is not as a body responsible for the opinions expressed. ©2009: The Institution of Engineering and Technology. All rights reserved. No part of this publication may be reproduced, stored in ...
Second Order Response
Second Order Response

Germanium Diode AM Radio
Germanium Diode AM Radio

... may need to listen really hard. ...
Latchable Negative Floating Hot Swap Power
Latchable Negative Floating Hot Swap Power

... through an external resistor connected to ground, which is essentially a current drive as opposed to the traditional voltage drive. The onboard 10V shunt regulator protects the IC from excess voltage and serves as a reference for programming the maximum allowable output sourcing current during a fau ...
the Note
the Note

... Comparison of the using alternating current compared to direct current: 1. Batteries and cells are the main source of direct current. These are too expensive to provide large amounts of current. 2. Direct current cannot be transformed. Even when using a DC generator, transformers are less effective ...
ADS7816 数据资料 dataSheet 下载
ADS7816 数据资料 dataSheet 下载

... value for one clock period. For the next 12 DCLOCK periods, DOUT will output the conversion result, most significant bit first. After the least significant bit (B0) has been output, subsequent clocks will repeat the output data but in a least significant bit first format. After the most significant ...
Multilevel Selective Harmonic Elimination PWM - SPEED-2016
Multilevel Selective Harmonic Elimination PWM - SPEED-2016

Frequency dependence of inductance
Frequency dependence of inductance

Datasheet Atto D4
Datasheet Atto D4

... offering the maximum configuration flexibility for adapting to the most diverse requirements. Each alarm can be selected to link to any one of the parameters available, either as a minimum or as a maximum alarm. Linking of both alarms to the same parameter is also possible for operating as dual thre ...
KT88 – TRIODE Parallel Push-Pull 60Watt Mono
KT88 – TRIODE Parallel Push-Pull 60Watt Mono

... explains and demonstrates that the THD dip is due to reversal of the relative phase of the signal current in the active load to that delivered to the subsequent grid leak. This causes the proportions of the 2nd, 3rd and 4th harmonics to change. Germane to the present discussion is that with a cathod ...
Silicon Dioxide Etch Application Note
Silicon Dioxide Etch Application Note

... !fan ILD (inter-layer dielectric) etch is ,desired where the ILD is Si02 a different process is recommended. The process relies on very low pressnres to avoid grass formation. Running the process at lowerpressnres increases the Mean Free Path (MFP) and thus the IC's surface is bombarded with more re ...
RFHA1101 RF OUT VD RF IN
RFHA1101 RF OUT VD RF IN

... RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. RFMD Green: RoHS compliant per EU Directive 2002/95/EC, halogen free per IEC 61249-2-21, < 1000ppm each of antimony trioxide in polymeric materials and ...
BFY193C HiRel  3
BFY193C HiRel  3

... Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infi ...
High Voltage Power Supply
High Voltage Power Supply

... versions are continuously short circuit proof and can operate in current and voltage source mode. The output voltage and current are set by using the 0 - 10V analogue interface or by an external potentiometer, by using the available reference voltage. For acknowledgement of the actual voltage and cu ...
BD9G101G
BD9G101G

... Internal reference voltage is set to 0.75V. Also, the BD9G101G has internal phase compensated element between input and output. ...
A New Method Voltage and Frequency Regulation of Self
A New Method Voltage and Frequency Regulation of Self

... Specially, the later feature promotes the choice of the induction generator to operate in discarded areas where the extension of the grid is usually expensive, difficult and unreliable. When it is connected to the grid, the induction generator can obtain its necessary reactive power from it. Further ...
Slides
Slides

OPA4872-EP 数据资料 dataSheet 下载
OPA4872-EP 数据资料 dataSheet 下载

... switching glitch is improved over earlier solutions using a new (patented) input stage switching approach. This technique uses current steering as the input switch while maintaining an overall closed-loop design. The OPA4872 exhibits an off isolation of 88dB in either Disable or Shutdown mode. With ...
Integrated DC link capacitor/bus enables a 20% increase
Integrated DC link capacitor/bus enables a 20% increase

for immediate release
for immediate release

MAX2203 RMS Power Detector General Description Features
MAX2203 RMS Power Detector General Description Features

... allows the device to be put into shutdown. For normal operation, drive ENA high. For device shutdown, drive ENA low. The ENA pin is DC biased through a resistor. The value of the resistor is recommended to be greater than 1kΩ to avoid loading the RF input signal. There is an internal resistor to GND ...
AP2552-53(A) - Diodes Incorporated
AP2552-53(A) - Diodes Incorporated

... An internal sensing FET is employed to check for over-current conditions. Unlike current-sense resistors, sense FETs do not increase the series resistance of the current path. When an overcurrent condition is detected, AP2552/53 maintains a constant output current and reduces the output voltage acco ...
Time - Weebly
Time - Weebly

EET-222(6)-ELECTRICAL MC-II
EET-222(6)-ELECTRICAL MC-II

AS Physics Unit 1_6
AS Physics Unit 1_6

... For example a '6V AC supply' means 6V RMS, the peak voltage is 8.6V. The UK mains supply is 230V AC, this means 230V RMS so the peak voltage of the mains is about 320V! So what does root mean square (RMS) really mean? First square all the values, then find the average (mean) of these square values o ...
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Buck converter



A buck converter is a voltage step down and current step up converter.The simplest way to reduce the voltage of a DC supply is to use a linear regulator (such as a 7805), but linear regulators waste energy as they operate by dissipating excess power as heat. Buck converters, on the other hand, can be remarkably efficient (95% or higher for integrated circuits), making them useful for tasks such as converting the main voltage in a computer (12V in a desktop, 12-24V in a laptop) down to the 0.8-1.8V needed by the processor.
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