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AC-Circuits
AC-Circuits

... NS = 80 turns ...
Current in series circuits
Current in series circuits

... Electricity is the flow of electrons. If a material is going to CONDUCT electricity , it must have electrons of its own that will be free to move between the atoms (that make it up).Metals are such materials. CONDUCTORS and NON-CONDUCTORS Solid conductors, such as metals have free electrons. So does ...
CBSE/12th Class/2010/PHYSICS S.No Questions Answers
CBSE/12th Class/2010/PHYSICS S.No Questions Answers

... the coil and ensures that heating losses are minimum as they will have narrow Hystersis curve. Thus, core of an electromagnet is made of ferromagnetic materials. OR Following figures show the magnetic field lines for a (i) diamagnetic, (ii) paramagnetic substance placed in an external magnetic field ...
MEASUREMENT OF THE BAND GAP ENERGY OF
MEASUREMENT OF THE BAND GAP ENERGY OF

Lab 2 - La Salle University
Lab 2 - La Salle University

... where AB means A AND B, A + B means A OR B and A΄ means NOT A. In other words, you can construct the equivalent of an AND gate using NOTs and ORs, and you can construct the equivalent of an OR gate using NOTs and ANDs. Below I show a circuit corresponding to the right-hand-side of the first equation ...
Bearing Fault Detector
Bearing Fault Detector

Remote Panel with Keypad and Display - AV
Remote Panel with Keypad and Display - AV

... • Five destination mode with a TAKE button for each destination but without breakaways • Single destination mode with five levels of breakaway • 24 + 6 button keypad for source and destination names • High brightness vacuum fluorescent alphanumeric display with better viewing angles than LCD types • ...
Why select the new Phaseo ABL4
Why select the new Phaseo ABL4

... ABL 4WSR24200 ...
DESCRIPTION FEATURES ULTRA-PRECISION DIFFERENTIAL
DESCRIPTION FEATURES ULTRA-PRECISION DIFFERENTIAL

... 9. High-frequency AC electricals are guaranteed by design and characterization. 10. Random jitter is measured with a K28.7 comma detect character pattern, measured at 2.5Gbps/3.2Gbps. 11. Deterministic jitter is measured at 2.5Gbps/3.2Gbps with both K28.5 and 223–1 PRBS pattern. 12. Cycle-to-cycle j ...
The Transistor as a Switch
The Transistor as a Switch

... way that it always operates within its "active" region, that is the linear part of the output characteristics curves are used. However, both the NPN & PNP type bipolar transistors can be made to operate as "ON/OFF" type solid state switches by biasing the transistors base differently to that of a si ...
UNIT 5 PPT
UNIT 5 PPT

... Normalize the load and plot its location on the Smith chart. Draw a circle with a radius equal to the distance between the 1.0 point and the location of the normalized load and the center of the Smith chart as the center. The intersection of the right-hand side of the circle with the horizontal resi ...
- Gyanlo.com
- Gyanlo.com

... • Thus, the circuit can be used for wave-shaping. • It can also be used in a completely different way, as a limiter used to protect a sensitive circuit (e.g., OPAMP, Galvanometer). • The diodes conduct only when something abnormal happens. ...
Student Exploration: Circuit Builder
Student Exploration: Circuit Builder

LM1084 5A Low Dropout Positive Regulators (Rev. F)
LM1084 5A Low Dropout Positive Regulators (Rev. F)

... capacitive loads. This series resistance introduces a zero within the loop to increase phase margin and thus increase stability. The equivalent series resistance (ESR) of solid tantalum or aluminum electrolytic capacitors is used to provide the appropriate zero (approximately 500 kHz). The Aluminum ...
HART Communication Networks Are Improved by Small, Flexible
HART Communication Networks Are Improved by Small, Flexible

... The receive architecture was chosen to make the AD5700 robust against noise and interferers in harsh industrial environments. A combination of analog and digital filtering results in excellent sensitivity and a highly accurate output on the RXD pin. The HART bit stream follows a standard UART frame ...
Lever-type Detector Switches SW1AB-500-T11
Lever-type Detector Switches SW1AB-500-T11

... Unit : mm P.C.B reference Land Dimensions Circuit diagram (TOP VIEW) ...
"Switched Mode" Amplifiers
"Switched Mode" Amplifiers

Digital QRP SWR/ Power Meter
Digital QRP SWR/ Power Meter

WhatLs includ
WhatLs includ

... Public License, version 2 (GPLv2). You can find the text of this license in its English original version in the manual for this product. We will provide you with the complete corresponding source code of the software licensed under the GPLv2. if you send us a written request by email to the followin ...
Notes on Rebuilding an SB
Notes on Rebuilding an SB

... and the power cord entry. The cord and voltage-select jumpers have not yet been installed. For the final endurance change, we added a step-start circuit which limited the turn-on or inrush current due to the initial low resistance of the tube filaments and the high energy demanded by the filter cap ...
draft sensor loading analysis - Acta Universitatis Agriculturae et
draft sensor loading analysis - Acta Universitatis Agriculturae et

... linear voltage output is generated. With loading force increase, output signal degrease. Difference between unloaded and fully loaded sensor output is 1 V. This conclusion brings general behavior of dra sensors. Before using these sensors as a source of monitoring of draught forces, would be appropr ...
Unit 7 Electricity and Magnetism Review with answer key
Unit 7 Electricity and Magnetism Review with answer key

Lecture CMOS - Center for Detectors
Lecture CMOS - Center for Detectors

... • CMOS detectors are made of complimentary MOSFET circuits connected to light-sensitive materials. • The voltage change due to integrated photogenerated charge is generally sensed directly through a source follower amplifier in each pixel, instead of via a charge transfer process, i.e. in CCDs. • Ch ...
MAX16128/MAX16129 Load-Dump/Reverse-Voltage Protection Circuits General Description Features
MAX16128/MAX16129 Load-Dump/Reverse-Voltage Protection Circuits General Description Features

... as VOUT is higher than 90% of VIN (with a 3% hysteresis) and VIN is higher than the undervoltage threshold. When the monitored input voltage falls below the falling coldcrank fault threshold (VIN < VCCK), the GATE is pulled down and FLAG is asserted low. When the input voltage rises back above the r ...
Chapter - 02 - 7th Semester Notes
Chapter - 02 - 7th Semester Notes

< 1 ... 1971 1972 1973 1974 1975 1976 1977 1978 1979 ... 2982 >

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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