• 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
A 56-GHz LC-Tank VCO With 17% Tuning Range in 65
A 56-GHz LC-Tank VCO With 17% Tuning Range in 65

... frequency of the VCO. Since the other elements have already been sized, the maximum operation frequency sets a limit to the size of the output buffer transistors. The common source stage is then sized according to this limit. Furthermore, since adding dc blocking capacitors between the VCO core outp ...
ELTR 125 (Semiconductors 2)
ELTR 125 (Semiconductors 2)

... transistor ”hands off” to the other near the zero-crossing point of the waveform. Ideally, the ”hand off” is seamless, with one transistor beginning to conduct just as the other one cuts off, but this is difficult to achieve. One way to grasp the nature of the problem is to imagine a class-B amplifi ...
Outcome 3 - Microcontroller Controlled Mechatronic Systems
Outcome 3 - Microcontroller Controlled Mechatronic Systems

... The speed of a dc motor varies directly with the voltage applied across it. Microcontroller do not normally have an analogue output, and so they cannot be used to vary the voltage to a motor in this manner. However there are two main methods by which a microcontroller can control the speed of a DC m ...
battery charging guide
battery charging guide

Platform Management FRU Information Storage
Platform Management FRU Information Storage

... This area provides private, implementation-specific information storage for other devices that exist on the same FRU as the FRU Information Device. The Internal Use Area is usually used to provide private non-volatile storage for a management controller. ...
Technical Guidelines and Requirements for Parallel
Technical Guidelines and Requirements for Parallel

... The DG Facility must either isolate with the Interconnection Customer’s load and/or be blocked from closing back into the electrical power system until the electrical power system is energized for five minutes from the Company’s normal source. Depending upon the size and type of the DG Facility and ...
MARINA SUBSTATIONS – LOW VOLTAGE SECTION 16400 16400
MARINA SUBSTATIONS – LOW VOLTAGE SECTION 16400 16400

... The listing of specific manufacturers above does not imply acceptance of their products that do not meet the specified ratings, features and functions. Manufacturers listed above are not relieved from meeting these specifications in their entirety. Products in compliance with the specification and m ...
Practical Paper 1
Practical Paper 1

... a photograph of the setup in a shielded enclosure. The whole setup is placed on an aluminum metal ground plane of size 1.2 m by 0.9 m. The alternating current (AC) power is connected to the mains through a line impedance stabilization network (LISN), as in the standard EMI measurement setup. The mod ...
PDF
PDF

... than that of a similarly rated Si inverter. If both Si and SiC inverters have the same basic fin structure made of the same pure aluminum material, the low loss advantage of the SiC device could reduce the volume of forced air cooling systems by 65% (the total volume of the air cooling fan and fins) ...
Data Sheets - Leadtrend Technology
Data Sheets - Leadtrend Technology

UFC 3-550-01 Exterior Electrical Power Distribution
UFC 3-550-01 Exterior Electrical Power Distribution

VBOX3i 100Hz GPS Data Logger User Guide
VBOX3i 100Hz GPS Data Logger User Guide

... the VBOX3i can log GPS and other data at 100Hz. The logged data is stored directly onto a compact flash card for easy transfer to a PC. The VBOX3i also includes 4 high-resolution analogue input channels to record data from external sensors and 2 CAN bus interfaces to allow connection of Racelogic in ...
1100ClassNotesSet06v07
1100ClassNotesSet06v07

LIEBA Basic Electronics and Electricity Integrated Laboratory Technical Teaching Equipment
LIEBA Basic Electronics and Electricity Integrated Laboratory Technical Teaching Equipment

... We present a flexible and modular-based system for learning basic electronics, basic electricity and circuit theory. The advantage given by this learning and teaching system is that the student establishes his own rhythm, thus rendering unnecessary to keep pace with the rest of the class. Any desire ...
8245 - SK Engineering Academy
8245 - SK Engineering Academy

... 2. What are the functionS of interpoles and how are the interpoles windingsconnected? 3. The emf per turn of a single phase, 6.6 kV/440 V, 50 Hz Transformer isapproximately 12V Calculatethe number of turns in the HV and LV windings andthe net cross-sectional area of the core for a maximum flux densi ...
dynamic model of pm synchronous motors
dynamic model of pm synchronous motors

... To measure inductance, digital RLC meter or inductance bridge is often used. These measurements give inductance value at a small current and may not be suitable to predict characteristics of the motor. The small signal inductance value may be lower than unsaturated inductance value since permeabilit ...
MAX5306/MAX5307 Low-Power, Low-Glitch, Octal 12-Bit Voltage- Output DACs with Serial Interface General Description
MAX5306/MAX5307 Low-Power, Low-Glitch, Octal 12-Bit Voltage- Output DACs with Serial Interface General Description

... The MAX5306/MAX5307 are 12-bit, eight-channel, lowpower, voltage-output digital-to-analog converters (DACs) that are easily addressed using a simple 3-wire serial interface. These devices feature eight doublebuffered DACs using a common 16-bit serial to parallel shift register, a power-on reset (POR ...
802.3at PSE Load Compliance Testing
802.3at PSE Load Compliance Testing

... Power-On Port Voltage Transient Response PSE Power-On voltage testing combined static voltage over power measurements, AC peak-peak measurements in two frequency bands, and pulse load transient voltage response measurements. The table below describes the pulse load transient response parameters asse ...
a PDF (large) - Boston Electronics Corporation
a PDF (large) - Boston Electronics Corporation

... When an accelerated photoelectron hits the avalanche diode it generates a large number of electronhole pairs in the silicon. These carriers are further amplified by the linear gain of the avalanche diode. The principle of the hybrid PMT has a number of advantages over other detector principles. An o ...
SKY65047-360LF 0.4-3.0 GHz Low Noise Amplifier Data Sheet
SKY65047-360LF 0.4-3.0 GHz Low Noise Amplifier Data Sheet

... RF_OUT/BIAS (pin 7). The LNA collector supply voltage is supplied through an RF choke (component L3 on the 915 MHz and 2450 MHz Evaluation Boards, and component L2 on the 1575 MHz Evaluation Board) to the output at pin 7. The LNA requires a DC blocking capacitor as part of the external RF matching. ...
In-System Programming (ISP)
In-System Programming (ISP)

Push-Button Reset IC with Voltage Supervisor
Push-Button Reset IC with Voltage Supervisor

... The /RST output is a simple open-drain N-channel MOSFET structure that requires a pull-up resistor to an external voltage. For most applications, the pull-up voltage will be the same as the power supply that supplies VIN to the MIC2786/MIC2787. As shown in Figure 1, it is possible to tie this resist ...
CERN/EP/ATE/DQ TTCvx _____________________________________________________________________________________
CERN/EP/ATE/DQ TTCvx _____________________________________________________________________________________

... The function of each block will be described briefly: Input signal level converter and clock selection/generation The A and B inputs are DC-coupled and terminated by Thevenin networks, having a resulting impedance of 50 W. The External Clock input is AC-coupled and then terminated by 50 W. All input ...
AD7982 数据手册DataSheet下载
AD7982 数据手册DataSheet下载

... selects the interface mode of the part: chain mode or CS mode. In CS mode, the SDO pin is enabled when CNV is low. In chain mode, the data should be read when CNV is high. Serial Data Output. The conversion result is output on this pin. It is synchronized to SCK. Serial Data Clock Input. When the pa ...
AD7745,46 - Analog Devices
AD7745,46 - Analog Devices

... Serial Interface Clock Input. Connects to the master clock line. Requires pull-up resistor if not already provided in the system. Logic Output. A falling edge on this output indicates that a conversion on enabled channel(s) has been finished and the new data is available. Alternatively, the status r ...
< 1 ... 349 350 351 352 353 354 355 356 357 ... 2646 >

Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report