• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Grid Code
Grid Code

AN-9716 Reset Timers Applications
AN-9716 Reset Timers Applications

... Fairchild offers open-drain and push-pull outputs that vary in the output pulse duration. In reset timers where the last digit in the product name is 0, i.e. FT8010, the reset output signal remains LOW or HIGH for the entire time the SRx inputs are held LOW (as long as the initial reset time require ...
V-Contact VSC Installation and service instructions 7.2/12 kV
V-Contact VSC Installation and service instructions 7.2/12 kV

diode laser
diode laser

Basic Electronics Competency Requirements
Basic Electronics Competency Requirements

General Description Features
General Description Features

... Dynamic performance of the device is optimized to reduce distortion to support second-harmonic imaging. The device achieves a second-harmonic distortion specification of -62dBc at VOUT = 1.5VP-P and fIN = 5MHz, and an ultrasound-specific* two-tone third-order intermodulation distortion specification ...
Model 5103 Installation Guide
Model 5103 Installation Guide

ARCAT spec 262600 2009-9-15
ARCAT spec 262600 2009-9-15

... b) Circuit Breaker and Fuse information including time current characteristics c) Control Power Transformers d) Pilot devices e) Relays f) Operator Interface D. Spares 1. Recommend spare parts list and list prices shall be supplied. 2. Critical Spares - Spare parts that are identified as being assoc ...
AD9260 数据手册DataSheet下载
AD9260 数据手册DataSheet下载

... offers a complete single-chip 16-bit sampling ADC with a 2.5 MHz output data rate in a 44-lead MQFP. Selectable Internal Decimation Filtering—The AD9260 provides a high performance decimation filter with 0.004 dB pass-band ripple and 85 dB of stop-band attenuation. The filter is configurable with op ...
Coordinated Facility Protection - West Australian Power Protection
Coordinated Facility Protection - West Australian Power Protection

... surge waveform as are electronics. These systems are often not critical to the continuing operation of the site and therefore usually do not require the premium level of protection that is essential for more sensitive equipment. However, significant damage can occur, even to the more robust systems, ...
Regen Resistor - Copley Controls
Regen Resistor - Copley Controls

... For custom regen resistors, Cooper Bussman KLM fuses, or equivalent, should be selected. The peak and continuous currents, as well as the peak current time, must be taken into consideration for proper fuse selection. The duration of the peak current is the deceleration time (Tdecel) associated with ...
Keysight Technologies Wide Range DC Current Biased Inductance
Keysight Technologies Wide Range DC Current Biased Inductance

Contactors and relays
Contactors and relays

... contactors at between 85 to 110 % of the rated control circuit voltage. The DC operated DILM17 to DILM225A contactors now cover an even wider range in which they switch reliably. They allow reliable operation between 0.7 x Ucmin and 1.2 x Ucmax of the rated actuation voltage. The greater voltage tol ...
DESIGN OF A HIGH-SPEED CMOS COMPARATOR Master Thesis in Electronics System at
DESIGN OF A HIGH-SPEED CMOS COMPARATOR Master Thesis in Electronics System at

... T he com parator is designed for tim e-in terleaved bandp ass sigm a-delta A D C . D u e to the nature of the target application, it shou ld b e possible to turn o ff the co m po nents to avoid th e static pow er con sum p tion . T he com p arator o f this d esign im plem ents the turn off tech niqu ...
LIN - Physical Interface
LIN - Physical Interface

... This I/O pin is the single-wire LIN bus transmitter and receiver. The LIN pin can survive excessive dc and transient voltages. There are no reverse currents from the LIN to supply (VSUP), even in the event of a ground shift or loss of supply (VSUP). LIN Transmitter Characteristics The transmitter ha ...
AN-903 A Comparison of Differential
AN-903 A Comparison of Differential

... termination is probably the most significant shortcoming of the unterminated option. Low speed is generally characterized to be either signaling rates below 200 kbits/sec or when the cable delay (the time required for an electrical signal to transverse the cable) is substantially shorter than the bi ...
FSA880 / FSA881 – USB Port 2:1 Switch with Accessory and
FSA880 / FSA881 – USB Port 2:1 Switch with Accessory and

... arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance w ...
PAM8302A Description Pin Assignments
PAM8302A Description Pin Assignments

... In order to reduce shutdown power consumption, the PAM8032A contains shutdown circuitry for turn to turn off the amplifier. This shutdown feature turns the amplifier off when a logic low is apllied on the SD pin. By switching the shutdown pin over to GND, the PAM8302A supply current draw will be min ...
Practical Electronics for Inventors
Practical Electronics for Inventors

... totally lost interest in the subject or may have missed the “big picture,” confused by details and formulas. Practical Electronics for Inventors does not have this effect on the reader. Each chapter is broken up into sections with the essential practical information listed first. A typical chapteron ...
MOSFET CURRENT SOURCE GATE DRIVERS AND VOLTAGE REGULATOR MODULES
MOSFET CURRENT SOURCE GATE DRIVERS AND VOLTAGE REGULATOR MODULES

... With fast development of semiconductor industry, the transistors in microprocessors increase dramatically, which follows the Moore’s law. As a result, the operating voltages of the future microprocessors follow the trend of decreasing (sub 1V) while the demanding currents increase (higher than 100A) ...
25 Watt - EPtronics
25 Watt - EPtronics

Fundamental Understanding of Piezoelectric Strain Sensors
Fundamental Understanding of Piezoelectric Strain Sensors

... high output impedance, while the measuring device, a voltmeter for example, has an input impedance on the order of several MΩ, which is much lower than the output impedance of the sensor. Most oscilloscopes and data acquisition systems have an input impedance of 1 MΩ. The primary purpose of the sign ...
ZXM62P03E6 Product Summary Features and Benefits
ZXM62P03E6 Product Summary Features and Benefits

... Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any c ...
4. Chapter Summary
4. Chapter Summary

... By contrast, a digital signal assumes only a finite number of values at only certain points in time. Depicted in Fig. 10(a) is a “binary” waveform, which remains at only one of psfile=FIGS/CH1/digsig hoffset=-85 voffset=5 vscale=90 hscale=90 Figure 10. (a) Digital signal, (b) effect of noise on digi ...
Layout and CMOS technology
Layout and CMOS technology

< 1 ... 56 57 58 59 60 61 62 63 64 ... 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.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report