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Identification of Unified Power Flow Controller Location under Line
Identification of Unified Power Flow Controller Location under Line

LMH6881 2.4GHz Programmable Differential Amplifier with Gain
LMH6881 2.4GHz Programmable Differential Amplifier with Gain

... Negative input current implies current flowing out of the device. Drift determined by dividing the change in parameter at temperature extremes by the total temperature change. Limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation using ...
Armature Reaction: The effect of magnetic field set up
Armature Reaction: The effect of magnetic field set up

... Characteristics of D.C. Generators: Following are the three most important characteristics or curves of a d.c. generator: 1. No-load saturation Characteristic (E0/If): It is also known as Magnetic Characteristic or Open-circuit Characteristic (O.C.C.). It shows the relation between the no-load gene ...
1. Introduction - About the journal
1. Introduction - About the journal

... mode filters, and have relative complex structures. In addition, all these circuits but the one in paper [5] have not fully balanced structure. Paper [9] proposed current mode nth-order MF filters based on OTA, but it has not fully balanced structure, too. Current-mode circuits have obvious advantag ...
NA62_Gigatracker_ASICs
NA62_Gigatracker_ASICs

Integrated CMOS DC-DC Converter with
Integrated CMOS DC-DC Converter with

... If the inductor current iL has peak-to-peak current ripple over 200% of the average current, soft-switching can be implemented [16]–[18]. After the high-side device is turned off and before the low-side device is turned on, the inductor current will discharge the drain-source capacitance of the lows ...
J. Sanz-Robinson, W. Rieutort-Louis, N. Verma, S. Wagner, J.C. Sturm, "Frequency dependence of amorphous silicon Schottky diodes for Large-Area rectification applications", Device Research Conference (DRC), 10.1109/DRC.2012.6257001 pp. 135-136 University Park, PA JUN (2012).
J. Sanz-Robinson, W. Rieutort-Louis, N. Verma, S. Wagner, J.C. Sturm, "Frequency dependence of amorphous silicon Schottky diodes for Large-Area rectification applications", Device Research Conference (DRC), 10.1109/DRC.2012.6257001 pp. 135-136 University Park, PA JUN (2012).

PTH08T220W,
PTH08T220W,

... For output voltages ≤ 1.2 V, at nominal operating frequency, the output ripple may increase (typically 2×) when operating at input voltages greater than (VO × 11). When using the SmartSync feature to adjust the switching frequency, see the SmartSync Considerations section of the datasheet for furthe ...
TSEV0108L39 Thermopile Sensor Module SPECIFICATIONS
TSEV0108L39 Thermopile Sensor Module SPECIFICATIONS

... TSEV0108L39 is a contact-less temperature measuring system for OEM use based on the detection of infrared radiation TSEV0108L39 is equipped with an infrared sensor (Thermopile) in front. In this version a Thermopile Array, including 8 pixels, is used. It has to be pointed at the target object The ba ...
AN-1363: Meeting Biasing Requirements of
AN-1363: Meeting Biasing Requirements of

High Voltage Pulse Modulators Tutorial
High Voltage Pulse Modulators Tutorial

ELT 107 DC Principles of Electricity
ELT 107 DC Principles of Electricity

... PREREQUISITE COURSES ELT 108 or permission of the instructor CO-REQUISITE COURSES Determined by college unless stated otherwise. INSTRUCTIONAL NOTE: Foundational academic skills in General Math such as integers, percents, ratio and proportions, metric system and linear equations and Technical Writin ...
MAX6329/MAX6349 150mA, SOT23, Low-Dropout Linear Regulators with Internal Microprocessor Reset Circuit General Description
MAX6329/MAX6349 150mA, SOT23, Low-Dropout Linear Regulators with Internal Microprocessor Reset Circuit General Description

... SHDN allows for the regulator to shutdown thereby reducing the total IIN consumption of the device. The MAX6329 provides a digitally controlled active-low shutdown function. In shutdown mode the pass transistor, control circuit, reference, and all biases turn off, reducing the supply current to belo ...
MB88153A MB88153A
MB88153A MB88153A

... A latch-up can occur if, on this device, (a) a voltage higher than VDD or a voltage lower than VSS is applied to an input or output pin or (b) a voltage higher than the rating is applied between VDD pin and VSS pin. The latch-up, if it occurs, significantly increases the power supply current and may ...
Grid Code Impact on Electrical Machine Design
Grid Code Impact on Electrical Machine Design

here
here

... a) Find the charge on the capacitor. b) If the time constant of the circuit is 0.70s, what is the value of the resistor in the circuit? c) When the capacitor charges and reaches 72V, the lamp switches on. What is the energy stored in the capacitor? d) When the lamp flashes, it transfers energy at an ...
XAPP459 - Eliminating I/O Coupling Effects when Interfacing Large-Swing Single-Ended Signals to User I/O Pins on Spartan-3 Families
XAPP459 - Eliminating I/O Coupling Effects when Interfacing Large-Swing Single-Ended Signals to User I/O Pins on Spartan-3 Families

... added PCB area are two frequently cited disadvantages of voltage translators. This might be true if an alternative exists that does not require external components, but the reality of interfacing with large-swing signals is that external components are generally required. The least expensive voltage ...
2SC0535T Description and Application Manual 2SC0535T
2SC0535T Description and Application Manual 2SC0535T

...  R vce 1 x  ...  R vcenx ...
SPI225 Smart primary injection test system
SPI225 Smart primary injection test system

... provided the output voltage is sufficient to push the desired current through the impedance of the test circuit. The SPI225 will test the time-delay characteristic of thermal devices rated up to 225 A using the recommended test current of three times their rating (675 A). Also, to perform an instant ...
Designing Power Window lifts with S12VR
Designing Power Window lifts with S12VR

DRM-24V480W1PN (October 2016, Rev. 00)
DRM-24V480W1PN (October 2016, Rev. 00)

... The external enclosure where the unit will be installed shall meet the requirements for mechanical, electrical and fire enclosure. Note that the enclosure of the device can become very hot depending on the surrounding air temperature and output load connected to the device. Risk of burns! The main p ...
Electronics Tutorial about the Types of Resistors The Different Types
Electronics Tutorial about the Types of Resistors The Different Types

parallel
parallel

... Circuit Components • Resistor • Creates resistance in circuit • Serve to reduce amount of voltage remaining in circuit • Causes energy to be released from it– often thermal energy • Example: incandescent light bulb ...
Slide 1 - IIE
Slide 1 - IIE

MAXPLUS 211 OPTION SPINDLE AMPLIFIER
MAXPLUS 211 OPTION SPINDLE AMPLIFIER

< 1 ... 652 653 654 655 656 657 658 659 660 ... 2207 >

Resistive opto-isolator



Resistive opto-isolator (RO), also called photoresistive opto-isolator, vactrol (after a genericized trademark introduced by Vactec, Inc. in the 1960s), analog opto-isolator or lamp-coupled photocell, is an optoelectronic device consisting of a source and detector of light, which are optically coupled and electrically isolated from each other. The light source is usually a light-emitting diode (LED), a miniature incandescent lamp, or sometimes a neon lamp, whereas the detector is a semiconductor-based photoresistor made of cadmium selenide (CdSe) or cadmium sulfide (CdS). The source and detector are coupled through a transparent glue or through the air.Electrically, RO is a resistance controlled by the current flowing through the light source. In the dark state, the resistance typically exceeds a few MOhm; when illuminated, it decreases as the inverse of the light intensity. In contrast to the photodiode and phototransistor, the photoresistor can operate in both the AC and DC circuits and have a voltage of several hundred volts across it. The harmonic distortions of the output current by the RO are typically within 0.1% at voltages below 0.5 V.RO is the first and the slowest opto-isolator: its switching time exceeds 1 ms, and for the lamp-based models can reach hundreds of milliseconds. Parasitic capacitance limits the frequency range of the photoresistor by ultrasonic frequencies. Cadmium-based photoresistors exhibit a ""memory effect"": their resistance depends on the illumination history; it also drifts during the illumination and stabilizes within hours, or even weeks for high-sensitivity models. Heating induces irreversible degradation of ROs, whereas cooling to below −25 °C dramatically increases the response time. Therefore, ROs were mostly replaced in the 1970s by the faster and more stable photodiodes and photoresistors. ROs are still used in some sound equipment, guitar amplifiers and analog synthesizers owing to their good electrical isolation, low signal distortion and ease of circuit design.
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