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Component4 - Glow Blogs
Component4 - Glow Blogs

... The voltage over the 80 K resistor could be calculated in the same way, but this is unnecessary for this circuit since we can use Kirchoff’s second law to confirm the answer. The voltages over each of the components in a series circuit must add up to the supply voltage, hence the voltage over the 80 ...
PAM2301 Description Pin Assignments
PAM2301 Description Pin Assignments

... This formula has a maximum at VIN = 2VOUT, where IRMS =IOUT/2. This simple worst-case condition is commonly used for design because even significant deviations do not offer much relief. Note that the capacitor manufacturer's ripple current ratings are often based on 2000 hours of life. This makes it ...
power transmission activity
power transmission activity

... ACTIVITY: Power Transmission To get a basic overview of how electrical energy makes it from the power generating station to your home, read the article on “How Power Grids Work” at http://science.howstuffworks.com/environmental/energy/power.htm and answer the following questions. 1. Identify each of ...
Light Sources
Light Sources

... Rack mounted version of Mercury-Argon Spectral Calibration Source ...
experiment 5 - UniMAP Portal
experiment 5 - UniMAP Portal

... it equals the voltage across either winding (EAB and EBC). The third winding is then connected in series, and the voltage across the series combination of the three windings is measured to confirm that it is zero before delta is closed, as shown in Figure 5-4 (b). This is extremely important for a d ...
× 64 pixel dot matrix microdisplay
× 64 pixel dot matrix microdisplay

... within the CMOS chip, with absolutely no post processing needed. This will dramatically reduce the manufacturing cost of microdisplays and may lead to new microdisplay applications. Visible electroluminescence is achieved by biasing pn junctions into avalanche breakdown mode. The most appropriate CM ...
OL7272 - Quantum Devices, Inc.
OL7272 - Quantum Devices, Inc.

... The main contents of this new CMOS power line driver are four identical blocks (systems A to D) with each a CMOS/TTL Schmitt Trigger Input (can be driven at up to VCCD as well) and high power differential buffered and inverted outputs. With the low active ENABLE pin it is possible to switch off all ...
Abstract - JPInfotech
Abstract - JPInfotech

... The problem of electromagnetic interference (EMI) has become increasingly important in the recent years. A high-speed data transmission usually causes severe EMI, and this influences the operation of neighboring circuits. Hence, to overcome ...
Sensor Interface Circuitry Design for Nuclear Applications
Sensor Interface Circuitry Design for Nuclear Applications

... An active Bessel three pole anti-aliasing filter (AAF), with its -3dB point at about a few kHz, is placed before the ADC. The Bessel filter is chosen for its fast settling time. An allowance of about 1ms is necessary before ADC readings commence to ensure that the voltage output from this filter has ...
MAX610/MAX611/MAX612 AC-to-DC Regulator (110/220VAC to 5.0
MAX610/MAX611/MAX612 AC-to-DC Regulator (110/220VAC to 5.0

... the 5V output is referenced to one side of the 110VAC power line. This circuit is generally preferred for systems that control triacs, where it is desirable to connect V- to the power line. Note that for a given amount of output current, the value of C1 must be twice the value used in the full-wave ...
Jensen Twin Servo® 990 Mic Preamp
Jensen Twin Servo® 990 Mic Preamp

... transformer can handle input signal levels of greater than +12 dBu (30Hz and above) without going into saturation. Input levels above +8 dBu would cause the output of the Twin Servo® to be driven past the maximum rated output level of +24 dBu with the gain controls adjusted to the minimum gain of 16 ...
– Chapter 6 – Precautions for use
– Chapter 6 – Precautions for use

... • The four power supply units for control power supply Vcc have to be isolated. Also, it is recommended to connect a capacitor which has a good frequency response characteristic on the output terminal of each power supply unit to suppress transient voltage variation. • Note that if a capacitor is co ...
Circuit Theorems
Circuit Theorems

Aalborg Universitet
Aalborg Universitet

... Abstract — A drawback of Pulse Width Modulation in electrical drives is the high harmonic content of the line to line voltages, which gives rise to Electro-Magnetic Interference and acoustic noise. By injection of a signal into the common mode voltage, the fundamental is not affected, but new freque ...
Peak Power Tracking Control for Photovoltaic Array
Peak Power Tracking Control for Photovoltaic Array

A 4Gb/s/ch 356fJ/b 10mm equalized on-chip
A 4Gb/s/ch 356fJ/b 10mm equalized on-chip

... between ‘01’ and ’10,’ coefficients are statically assigned since a single designated DAC segment drives each transition. With small accuracy cost, the transitions between ‘01’ and ‘10’ are done by turning on all strong-driver DACs and a weak driver, since the current errors of P1/N1 and P2/N2 when ...
lucrarea nr - WordPress.com
lucrarea nr - WordPress.com

LM137/LM337 3-Terminal Adjustable Negative Regulators
LM137/LM337 3-Terminal Adjustable Negative Regulators

What is Instrumentation
What is Instrumentation

... Control Loop • Measurements + Logic = Control Loop – Compares current condition to set point – Adjusts to bring current condition to set point ...
analog multimeter
analog multimeter

... Objectives (cont’d.) – Identify the functions of a multimeter – Identify the advantages/disadvantages of DMMs and VOMs – Describe how to use a multimeter to measure voltage, current, and resistance – Describe how to measure current using an ammeter – Describe how to connect an ammeter into a ...
Magnetoresistive Sensor ICs, Nanopower Series Product Datasheet
Magnetoresistive Sensor ICs, Nanopower Series Product Datasheet

Implementation of Synchronized Triple Bias
Implementation of Synchronized Triple Bias

Lab#03 - 2nd Semester Notes
Lab#03 - 2nd Semester Notes

... shown by the blue lines on the diagram. ...
Current Mode Interconnect - Department of Electrical Engineering
Current Mode Interconnect - Department of Electrical Engineering

... LCR segmented line. This was then terminated with resistive/inductive loads of different values. Results of the simulation are shown in fig. 1.10 for a 4mm long line terminated with a 1K resistor in series with different inductance values. The transfer function of the terminated line is plotted as a ...
Comparison of advantages and disadvantages of electronic
Comparison of advantages and disadvantages of electronic

... The development of suitable solid state switching devices draws attention to the fact that it might be possible to replace metal contacts for specific applications in the near future. Solid state devices perform switching without moving parts, no arcing, no contact abrasion and millions of operating ...
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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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