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Regulator Type A V1.0
Regulator Type A V1.0

... The generator voltage setpoint can be adjusted by means of an external 10kOhm potentiometer or by an isolated 0-10Vdc source. When this is desired, dipswitch 1 must be switched off. When a 10kOhm potentiometer is used a value of 0 Ohm has no effect on the generator voltage setpoint. Increasing the p ...
Lecture 2
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AD9221/AD9223/AD9220 Complete 12
AD9221/AD9223/AD9220 Complete 12

... amplifier (SHA) is equally suited for both multiplexed systems that switch full-scale voltage levels in successive channels as well as sampling single-channel inputs at frequencies up to and beyond the Nyquist rate. Also, the AD9221/AD9223/AD9220 is well suited for communication systems employing Di ...
inductance
inductance

... Can materials increase the inductance? •Most materials have negligible magnetic properties •A few materials, like iron are ferromagnetic •They can enhance inductance enormously •Many inductors (and similar devices, like transformers) have iron cores •We will ignore this Symbol for iron core inductor ...
LTC1060 - Linear Technology
LTC1060 - Linear Technology

... can produce various 2nd order filter functions such as lowpass, bandpass, highpass notch and allpass. The center frequency of these functions can be tuned by an external clock or by an external clock and resistor ratio. Up to 4th order full biquadratic functions can be achieved by cascading the two ...
HF-VHF SDR receiver-part1-YU1LM
HF-VHF SDR receiver-part1-YU1LM

... HAM bands except if we use some HF SDR receiver (like mine DR1, DR2, DR2….) as first or second IF in classic design with intermediate frequency. I made some experiments in 2004 and tryed to make DC (direct conversion) receiver for high frequencies. I deigned new type of S/H (sample and hold) receive ...
3-Pole and 4-Pole Transfer Switch Switching Characteristics
3-Pole and 4-Pole Transfer Switch Switching Characteristics

... It is reasonable to ask about the likelihood of a ground fault occurring during the short time that the neutral contacts are overlapped. Certainly it is as likely as any other time, but perhaps it is slightly more likely during the period of the transition for the following reasons. As those who per ...
LTC6601-1
LTC6601-1

... Note 11: Output swings are measured as differences between the output and the respective power supply rail. Note 12: Extended operation with the output shorted may cause junction temperatures to exceed the 150°C limit and is not recommended. Note 13: Floating the BIAS pin will reliably place the par ...
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Chapter_6 - Portal UniMAP
Chapter_6 - Portal UniMAP

... is the two-resistor equation. For resistors R1 and R2,  R2   R1  I1    I T and I 2    IT  R1  R2   R1  R2  ...
Datasheet - MPI Technologies AG
Datasheet - MPI Technologies AG

... important purpose. Over a far distance there can be significant differences in the voltage level of „ground“. RS-485 networks can maintain correct data with a difference of –7 to +12V (common mode voltage range). If the grounds differs more than that amount, data will be lost or the port is damaged ...
Chapter 4 — PLC Hardware - benchmark
Chapter 4 — PLC Hardware - benchmark

... PCs are the most common programming devices used with PLCs but require specific interface cables and connectors specific to a PLC family and manufacturer. ...
A Three-Phase Zero-Voltage and Zero
A Three-Phase Zero-Voltage and Zero

... This reduces the transformer winding voltage and current and in turn reduces the switch and diode current. The kVA rating of the ∆-Y transformer is 81.6% and 86.7% of those of ∆-∆ and Y-Y transformers, respectively. The rms switch and diode currents of the ∆-Y configuration are 69.3% of those of the ...
Annex C: Bid Submission Forms
Annex C: Bid Submission Forms

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... exiting the anode ...
TEMPUS ENERGY: VOLTAGE DIPS 1: Introduction When
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UM10342 SSL2101 3 W mains dimmable buck board User manual
UM10342 SSL2101 3 W mains dimmable buck board User manual

... The demo board provides an extra connector for thermal lumen management. For instance, a Negative Temperature Coefficient (NTC) resistor (thermistor) mounted in proximity of the LEDs can be used as sensor. Then, using a current mirror, the value is compared with reference resistor, and at threshold, ...
DOC - Robotics Engineering CTE502
DOC - Robotics Engineering CTE502

... demonstrate some resistance formulas. Schematics are electrical drawings of circuits. Each symbol in a schematic represents a specific device that’s used to build real electronic circuits. Since this is an introduction to electronics, I’ll keep them relatively simple to start with. They’ll get more ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

GLB-DALI-T-2
GLB-DALI-T-2

... The GLB-DALI family of DALI® ballasts provides the very best in digital addressable lighting. Operable between 120 and 277 Volts, Crestron Green Light® DALI Ballasts are perfect for any building in any part of the world. The GLB-DALI-T-2 2 Lamp DALI Ballast models support dimming a wide range of lin ...
Operator’s Manual Series 300 Automatic Transfer Switches
Operator’s Manual Series 300 Automatic Transfer Switches

EECS150 - Digital Design Lecture 1
EECS150 - Digital Design Lecture 1

... Components and Design Techniques for Digital Systems more specifically Synchronous Digital Hardware Systems • Synchronous: “Clocked” - all changes in the system are controlled by a global clock and happen at the same time (not asynchronous) • Digital: All inputs/outputs and internal values (signals) ...
Document
Document

... Stress that no papers can be attached to the lab notebook. Everything has to be cut and glued to the lab notebook. c) Missed Lab / Late Policy: Labs are due exactly one week from the start of class. Labs can be handed in early, but must be turned into one of the 210 GSI's or Professor's which should ...
Pdf - Text of NPTEL IIT Video Lectures
Pdf - Text of NPTEL IIT Video Lectures

... armature current corresponding to I a, the effective filed current will be I f actual equal to O O 1 and a r ampere armature reaction demagnetizing field amperes is m 1 m 2 therefore, the net field ampere is I f net equal to O O 2. The corresponding induced voltage E equal to m O 2 and I a r a equal ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)

... The output of the error amplifier is either a negative or positive voltage representing the difference between its inputs. The error amplifier output is used to drive the motor, If it is positive the motor will turn in one direction, if negative the other. This allows the error amplifier to reduce t ...
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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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