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AN3027 Application note How to design a transition-mode PFC pre-regulator
AN3027 Application note How to design a transition-mode PFC pre-regulator

... The error amplifier compares a partition of the output voltage of the boost converter with an internal reference, generating an error signal proportional to the difference between them. If the bandwidth of the error amplifier is narrow enough (below 20 Hz), the error signal is a DC value over a give ...
MAX17009 AMD Mobile Serial VID Dual-Phase Fixed-Frequency Controller General Description
MAX17009 AMD Mobile Serial VID Dual-Phase Fixed-Frequency Controller General Description

... fixed-frequency controller for AMD’s® serial VID interface (SVI) CPU core supplies. Power-on detection of the CPU configures the MAX17009 as two independent single-phase regulators for a dual CPU core application, or one high-current, dual-phase, combined-output regulator for a unified core applicat ...
MAX2472/73 - Maxim Integrated
MAX2472/73 - Maxim Integrated

... with a bias control pin to vary output power from -10dBm to -2dBm while maintaining harmonic suppression below -25dBc. The MAX2472/MAX2473’s combination of high reverse isolation and low supply current makes them ideal for applications requiring high performance with low power. They feature high inp ...
V GS
V GS

MAX3223E 数据资料 dataSheet 下载
MAX3223E 数据资料 dataSheet 下载

... TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The device operates at typical data signaling rates up to 500 kbit ...
PLUS+1 Controller Family Technical Information
PLUS+1 Controller Family Technical Information

... • All safety critical systems shall include an emergency stop to switch off the main supply voltage for the outputs of the electronic control system. All safety critical components shall be installed in such a way that the main supply voltage can be switched off at any time. The emergency stop must ...
Chapter 2
Chapter 2

AN3027 Application note How to design a transition-mode PFC pre-regulator
AN3027 Application note How to design a transition-mode PFC pre-regulator

... The error amplifier compares a partition of the output voltage of the boost converter with an internal reference, generating an error signal proportional to the difference between them. If the bandwidth of the error amplifier is narrow enough (below 20 Hz), the error signal is a DC value over a give ...
TPS76901 数据资料 dataSheet 下载
TPS76901 数据资料 dataSheet 下载

... The TPS769xx family of low-dropout (LDO) regulators have been optimized for use in battery-operated equipment. They feature extremely low dropout voltages, low quiescent current (17 µA nominally), and enable inputs to reduce supply currents to 1 µA when the regulators are turned off. ...
Chapter 4: the MOS transistor
Chapter 4: the MOS transistor

MAX5098A Dual, 2.2MHz, Automotive Buck or Boost Converter with 80V Load-Dump Protection
MAX5098A Dual, 2.2MHz, Automotive Buck or Boost Converter with 80V Load-Dump Protection

... The DC-DC converters operate over a wide operating voltage range from 4.5V to 19V. The MAX5098A operates 180° out-of-phase with an adjustable switching frequency to minimize external components while allowing the ability to make trade-offs between the size, efficiency, and cost. The high switching f ...
MAX8904 High-Efficiency Power-Management IC with I C
MAX8904 High-Efficiency Power-Management IC with I C

... applications such as point-of-sale terminals, digital SLR cameras, digital video cameras and ultra-mobile PCs. The MAX8904 includes five step-down converters (1V2, 1V8, 3V3, 5V0, and ADJ) with internal MOSFETs and +1%/-3% accurate output voltages for processor core, memory, I/O, and other system pow ...
6 GHz Ultrahigh Dynamic Range Differential Amplifier ADL5565
6 GHz Ultrahigh Dynamic Range Differential Amplifier ADL5565

... through a pin strappable configuration. For the single-ended input configuration, the gains are reduced to 5.3 dB, 10.3 dB, and 13 dB. Using two external series resistors expands the gain flexibility of the amplifier and allows for any gain selection from 0 dB to 15.5 dB for a differential input and ...
ABSTRACT Title of Document: LOW
ABSTRACT Title of Document: LOW

IX3416271631
IX3416271631

... specifications, circuits are optimized in terms of these compound performance indexes. As the process technology evolves into the era of deep submicron, emerging design concerns such as leakage power consumptions and low Vdd operations surface and bring up new paradigms for conventional circuit desi ...
Electronic Applications - An Online Text
Electronic Applications - An Online Text

... If I were to do this the way I think it ought to be done, I would have prepared the course material in two formats. The first would be a text, identical to the textbooks with which you are familiar, but available online, and intended to be used in printed form. The second would be a slide presentati ...
AD9741 数据手册DataSheet 下载
AD9741 数据手册DataSheet 下载

... WCDMA, CDMA2000, TD-SCDMA, WiMAX Wideband communications: LMDS/MMDS, point-to-point Instrumentation: RF signal generators, arbitrary waveform generators ...
Modular Cell Biology: Retroactivity and Insulation
Modular Cell Biology: Retroactivity and Insulation

... High gains improve signal-to-noise ratio… Bio-molecular processes are intrinsically stochastic How do high gains (required for retroactivity attenuation) impact noise? Courtesy of Elowitz lab (Caltech) Downstream component ...
the zero-pole transformation noise reduction technique for
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MAX3243 数据资料 dataSheet 下载
MAX3243 数据资料 dataSheet 下载

... (HBM) protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. This combination of drivers and receivers matches that ne ...
TPS61196 6-String 400-mA WLED Driver w
TPS61196 6-String 400-mA WLED Driver w

... Scan Mode LCD TV Backlight ...
A Glossary of Analog-to-Digital Specifications
A Glossary of Analog-to-Digital Specifications

... Analog Input, Differential Input: With the analog differential input, both input pins of the A/D converter can swing the full range, and typically change in a balanced fashion—that is, as one input goes up, the other goes down in a corresponding way. The differential input offers the advantage of su ...
Print this article - International Journal of Innovative Research and
Print this article - International Journal of Innovative Research and

... the voltage equals zero (maximum current). If the standing wave is positioned in such a way on the transmission line so that the maximum voltage or current is applied to the power FET’s they can be destroyed. 2.1. Impedance matching using L-C Section Any two resistive terminations can be simultaneou ...
THS7002 数据资料 dataSheet 下载
THS7002 数据资料 dataSheet 下载

... The THS7001 (single) and THS7002 (dual) are high-speed programmable-gain amplifiers, ideal for applications where load impedance can often vary. Each channel on this device consists of a separate low-noise input preamp and a programmable gain amplifier (PGA). The preamp is a voltage-feedback amplifi ...
Understanding Pressure Measuring with Overview on Sensor Signal
Understanding Pressure Measuring with Overview on Sensor Signal

... On the other hand, passive sensors generate their own electrical output signal without requiring external voltage or current. A photodiode doesn’t need any excitation source to produce voltage output. ...
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Amplifier



An amplifier, electronic amplifier or (informally) amp is an electronic device that increases the power of a signal.It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In this sense, an amplifier modulates the output of the power supply to make the output signal stronger than the input signal. An amplifier is effectively the opposite of an attenuator: while an amplifier provides gain, an attenuator provides loss.An amplifier can either be a separate piece of equipment or an electrical circuit within another device. The ability to amplify is fundamental to modern electronics, and amplifiers are extremely widely used in almost all electronic equipment. The types of amplifiers can be categorized in different ways. One is by the frequency of the electronic signal being amplified; audio amplifiers amplify signals in the audio (sound) range of less than 20 kHz, RF amplifiers amplify frequencies in the radio frequency range between 20 kHz and 300 GHz. Another is which quantity, voltage or current is being amplified; amplifiers can be divided into voltage amplifiers, current amplifiers, transconductance amplifiers, and transresistance amplifiers. A further distinction is whether the output is a linear or nonlinear representation of the input. Amplifiers can also be categorized by their physical placement in the signal chain.The first practical electronic device that amplified was the Audion (triode) vacuum tube, invented in 1906 by Lee De Forest, which led to the first amplifiers. The terms ""amplifier"" and ""amplification"" (from the Latin amplificare, 'to enlarge or expand') were first used for this new capability around 1915 when triodes became widespread. For the next 50 years, vacuum tubes were the only devices that could amplify. All amplifiers used them until the 1960s, when transistors appeared. Most amplifiers today use transistors, though tube amplifiers are still produced.
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