• 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
PDF
PDF

... This calculates to an RMS current limit of 8.4 A, which has been implemented as a peak current limit of 12 A. In this situation, the MOSFET junction temperature rise over the sink temperature is only 2°C, so the current limit yields a steady-state junction temperature of approximately 60°C in the la ...
Temperature and its Effect on Electro
Temperature and its Effect on Electro

ADS900 数据资料 dataSheet 下载
ADS900 数据资料 dataSheet 下载

... The capacitive loading on the digital outputs should be kept below 15pF. ...
Genius Voltage/Current Analog I/O Blocks datasheet, GFK
Genius Voltage/Current Analog I/O Blocks datasheet, GFK

MAX16993 Step-Down Controller with Dual 2.1MHz Step-Down DC-DC Converters General Description
MAX16993 Step-Down Controller with Dual 2.1MHz Step-Down DC-DC Converters General Description

... VSUP, EN1 to GND................................................-0.3V to +45V PV_ to GND..........................................................-0.3V to +6.0V PV_ to GND..........................................................-0.3V to +6.0V PV2 to GND, PV2 to PGND2................................ ...
Genius Voltage/Current Analog I/O Blocks datasheet, GFK
Genius Voltage/Current Analog I/O Blocks datasheet, GFK

How to use Triple Channel DigiPyro (Basics
How to use Triple Channel DigiPyro (Basics

ECE4762007_Lect19
ECE4762007_Lect19

IC693ALG220 PDF for more information.
IC693ALG220 PDF for more information.

MAX3880 +3.3V, 2.488Gbps, SDH/SONET 1:16 Deserializer with Clock Recovery General Description
MAX3880 +3.3V, 2.488Gbps, SDH/SONET 1:16 Deserializer with Clock Recovery General Description

... Interfacing with PECL Input Levels When interfacing with differential PECL input levels, it is important to attenuate the signal while still maintaining 50Ω termination (Figure 7). AC-coupling is also required to maintain the input common-mode level. ...
liquid crystal display module g121c00p00c g121cb1p00c
liquid crystal display module g121c00p00c g121cb1p00c

ADCMP582 数据手册DataSheet 下载
ADCMP582 数据手册DataSheet 下载

... The CML output stage is designed to directly drive 400 mV into 50 Ω transmission lines terminated to ground. The NECL output stages are designed to directly drive 400 mV into 50 Ω terminated to −2 V. The PECL output stages are designed to directly drive 400 mV into 50 Ω terminated to VCCO − 2 V. Hig ...
TECHNICAL SPECIFICATION
TECHNICAL SPECIFICATION

... Soleil 500 inverter consists of a double IGBT type power module, with forced switching PWM (PulseWidthModulation)controltechnology. Thecurrent waveformdeliveredtothepowerdistributiongridisidenticaltothatofthe voltage withaunitypowerfactorinanyoperatingcond ...
BA18DD0T
BA18DD0T

MAX15048/MAX15049 Triple-Output Buck Controllers with Tracking/Sequencing EVALUATION KIT AVAILABLE
MAX15048/MAX15049 Triple-Output Buck Controllers with Tracking/Sequencing EVALUATION KIT AVAILABLE

... The MAX15048/MAX15049 are triple-output pulse-width modulated (PWM), step-down, DC-DC controllers with tracking (MAX15048) and sequencing (MAX15049) options. The devices operate over the 4.7V to 23V inputvoltage range. Each PWM controller provides an adjustable output down to 0.6V and delivers up to ...
- Texas Instruments
- Texas Instruments

... Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been de ...
For Full Text Click Here
For Full Text Click Here

... there is also a growing interest in commercial use of UWB technology such as in Wireless Personal Area Networks (WPAN), [3, 4]. This interest has been the result of increasing demand for much higher data rates on the order of hundreds of megabits since future wireless networks requires very large tr ...
ILD223T - PC Components Company
ILD223T - PC Components Company

... It is the policy of Vishay Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safet ...
RF3701 数据资料DataSheet下载
RF3701 数据资料DataSheet下载

... RF input internally matched to 50  and DC blocked. The RF input matching circuit has a shunt inductor to ground which would short any DC voltage placed on this pin. No connection. Digital control input for power mode selection (see Operating Modes truth table). Digital control input for PA enable a ...
Balances
Balances

... The input socket with the plug from the external power supply. The glass fuse. A capacitor. Works together with the following coil as a filter for the DC input voltage. Looks like a transformer, but is just a coil for filtering out any AC components of the DC voltage. Three stabilizers for three dif ...
A PASSIVE DAMPING NETWORK FOR SINGLE PHASE MATRIX
A PASSIVE DAMPING NETWORK FOR SINGLE PHASE MATRIX

Ceiling-mount Instructions
Ceiling-mount Instructions

... When calculating the total currents use Table 2 to determine the highest value of RMS current for an individual appliance, then multiply these values by the total number of appliances. Be sure to add the currents for any other appliances, including audible signaling appliances powered by the same s ...
SPF-2000 数据资料DataSheet下载
SPF-2000 数据资料DataSheet下载

... infringement of patents, or other rights of third parties, resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time with ...
UT7R995 Clock Generator - Aeroflex Microelectronic Solutions
UT7R995 Clock Generator - Aeroflex Microelectronic Solutions

Guitar Player Nov. 1991
Guitar Player Nov. 1991

< 1 ... 723 724 725 726 727 728 729 730 731 ... 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