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Basic Electricity, Ionic Equilibrium, & Nernst and Goldman Equations
Basic Electricity, Ionic Equilibrium, & Nernst and Goldman Equations

... High capacitance of the PL bilayer is attributed to the small length of the H-C chains (space between the parallel plates). ...
STEVAL-ISV006V2
STEVAL-ISV006V2

... SPV1040 device is a low power, low voltage, monolithic step-up converter with an input voltage range from 0.3 V to 5.5 V, and is capable of maximizing the energy generated by even a single solar cell (or fuel cell), where low input voltage handling capability is extremely important. Thanks to the em ...
Diodes and Bridge Rectifiers - Electrical and Computer Engineering
Diodes and Bridge Rectifiers - Electrical and Computer Engineering

电路笔记 CN-0086  利用
电路笔记 CN-0086 利用

电路笔记 CN-0087  利用
电路笔记 CN-0087 利用

... use the "Circuits from the Lab" in the design of your product, no other license is granted by implication or otherwise under any patents or other intellectual property by application or use of the "Circuits from the Lab". Information furnished by Analog Devices is believed to be accurate and reliabl ...
Optical Fibre
Optical Fibre

... Signals are ...
ACS750xCA-075 - Allegro Microsystems
ACS750xCA-075 - Allegro Microsystems

... proportional voltage. Device accuracy is optimized through the close proximity of the magnetic signal to the Hall transducer. A precise, proportional voltage is provided by the low-offset, chopper-stabilized BiCMOS Hall IC, which is programmed for accuracy at the factory. ...
LM 358 Op Amp - Electronics123
LM 358 Op Amp - Electronics123

Ch 31 EM Oscillations and Alternating Currents
Ch 31 EM Oscillations and Alternating Currents

... In electrical power distribution systems it is desirable for reasons of safety and for efficient equipment design to deal with relatively low voltages at both the generating end (the electrical power plant) and the receiving end (the home or factory). On the other hand, in the transmission of electr ...
MAX8873T/S/R, MAX8874T/S/R Low-Dropout, 120mA Linear Regulators _______________General Description ____________________________Features
MAX8873T/S/R, MAX8874T/S/R Low-Dropout, 120mA Linear Regulators _______________General Description ____________________________Features

... The devices feature Dual Mode™ operation: their output voltage is preset (at 3.15V for the T versions, 2.84V for the S versions, or 2.80V for the R versions) or can be adjusted with an external resistor divider. Total error on the output is ±3.5%. Output voltages are set on the low side of popular r ...
Series and Parallel Circuits • Components in a circuit can be
Series and Parallel Circuits • Components in a circuit can be

... components is equivalent to one single resistor, RT, calculated using the relationship ...
Single Stage 800 mA Converter with High Power Factor
Single Stage 800 mA Converter with High Power Factor

... This design note (DN) describes an off-line, low power, isolated power supply which has inherent active power factor correction (PFC) integrated into the single stage flyback power topology. This power supply is intended for LED lighting, white goods, industrial, and other applications where a high ...
Electrical Engineering - Mr. Kerins
Electrical Engineering - Mr. Kerins

... circuit Source  Load  Path ...
vxr15-2800s series
vxr15-2800s series

... The VXR15-2800S Series is an isolated single-output flyback DC-DC converter. The fixed frequency synchronous rectified flyback topology provides high efficiency over a wide input voltage range. Proprietary secondary-side feedback control provides a tightly regulated positive output voltage with fast ...
§7 Designing with Logic
§7 Designing with Logic

... One critical application area is bus contention during the power-on phase of a system. This bus contention occurs because, during the power-on phase (system reset), the supervising circuit does not provide defined control signals even though the rest of the system may already be functional. Therefor ...
SoundWeb 9088ii Installation Guide
SoundWeb 9088ii Installation Guide

... Used to connect the 9088 to ‘tally’ indicator LEDs or relays. There are eight standard logic outputs which produce 0V or +5V DC via an internal 440 Ohm resistor. Two common (ground) connections are provided (connected together internally). A LED connected between one output (Anode, A) and common (Ca ...
PPT - Dept. of Electrical and Computer Engineering
PPT - Dept. of Electrical and Computer Engineering

... With the recent advent of the digital revolution, analog electronics are being used less frequently for computation purposes. Most computation can be accomplished using a simple microcontroller for processing purposes, and it is typically more efficient for processing and computation. Digital electr ...
Electric Fields - King`s Senior Science
Electric Fields - King`s Senior Science

power-one,inc. (map55-4001) acdc
power-one,inc. (map55-4001) acdc

... Power-One's MAP55 Series of power supplies provides reliable, tightly-regulated DC power for commercial and industrial systems. Wide-range AC input and full international safety, EMI, and ESD compliance ensure worldwide acceptance. All units bear the CE Mark. The MAP55 utilizes a thermally efficient ...
4. Complex DC Circuits
4. Complex DC Circuits

Describing Motion Verbally with Speed and Velocity
Describing Motion Verbally with Speed and Velocity

... a. Calculate the resistance of a toaster oven if its power is 800 W when connected to a 110-V outlet. ...
Electrical Energy
Electrical Energy

... Like all other forms of energy, electrical energy is the capacity to do work. Like other forms of energy, electrical energy can be converted into other forms such as light energy, heat energy etc. Energy can only be transferred when a difference in energy level exists. Energy and Power Power is the ...
Series and Parallel Circuit Lab
Series and Parallel Circuit Lab

... Each individual of a lab group will be writing down data and answering questions after performing the instructed tasks and discussing with your lab group. As a reminder: a. Testing voltage: Leads from multimeter on either side of a battery or multiple batteries (connected + to -) in a closed circuit ...
BBA IInd SEMESTER EXAMINATION 2008-09
BBA IInd SEMESTER EXAMINATION 2008-09

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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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