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Basic Analog Models for CMOS Technology
Basic Analog Models for CMOS Technology

TLV431x Low-Voltage Adjustable Precision
TLV431x Low-Voltage Adjustable Precision

... temperature ranges. Output voltage can be set to any value between VREF (1.24 V) and 6 V with two external resistors (see Figure 20). These devices operate from a lower voltage (1.24 V) than the widely used TL431 and TL1431 shunt-regulator references. When used with an optocoupler, the TLV431 device ...
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SN74LVC1G175-EP 数据资料 dataSheet 下载

... obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the speci ...
2.5-V Integrated Reference Circuit (Rev. N)
2.5-V Integrated Reference Circuit (Rev. N)

... Although the LT1009 needs no adjustments, a third terminal (ADJ) allows the reference voltage to be adjusted ±5% to eliminate system errors. In many applications, the LT1009 can be used as a terminal-for-terminal replacement for the LM136-2.5, which eliminates the external trim network. The LT1009 u ...
Construction Guide of TH300S
Construction Guide of TH300S

... system – ham band and general coverage band. A doubly balanced diode ring mixer is used at the front end, offering good performance. 4 diodes are use for the product detector to handle strong signals and offer low noise. Ham Band B1: 7.000 – 7.500 B2: 14.000 – 14.500 General Coverage Band (GENE) B1: ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

Project Plan - W.omsar.gov.lb
Project Plan - W.omsar.gov.lb

... Environmental Control: Examines the setting of the Data Center and the means necessary to optimize it. See Section 5.0. Power Source: Identifies the different power configurations and power management tools and helps lay the ground for power planning and design. See Section 6.0. Fire Retardation: He ...
THE MclNTOSH C 26 SOLID STATE STEREO PREAMPLIFIER
THE MclNTOSH C 26 SOLID STATE STEREO PREAMPLIFIER

... The design of the mounting template allows you to position or locate the cutout from the front or rear of the panel to which the instrument is to be mounted. Position the plastic mounting template over the area of the panel to be cut out for installation. If the cutout is to be located from the fron ...
MAX14531E–MAX14534E USB 2.0 Hi-Speed and Audio Switches with General Description
MAX14531E–MAX14534E USB 2.0 Hi-Speed and Audio Switches with General Description

... of three channels. These devices combine the low oncapacitance (CON) and low on-resistance (RON) necessary for high-performance switching applications in portable electronics, and include an internal negative supply to pass AC-coupled audio signals that swing below ground (down to -2.0V). The MAX145 ...
Silicon Revisions 2.1, 2.0, and 1.1
Silicon Revisions 2.1, 2.0, and 1.1

... On all silicon revisions, when using Generic RNDIS mode, the user should ensure that the DMA configuration has completed prior to the host starting a transfer. This condition is sometimes violated when performing a back-to-back data transfers (not transactions). If a new transfer is scheduled by a h ...
Amplitude and Angle Modulation
Amplitude and Angle Modulation

... signals are fed at the input. Thus, a transistor, a triode tube, a diode, etc. may be used as Square Law modulator. In such a modulator circuit, the output current flowing through the load is given by the power series i = a0 + a1 e1 + a2 e12 + … ...
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RT1 - Faculty of Engineering
RT1 - Faculty of Engineering

... NPN wide-band transistor BFR92A. This transistor comes in an SOT-23 package and has a transition frequency fT of 5.0GHz. Both Infineon Technologies and NXP Semiconductor (formerly Phillips Semiconductors) manufacture this device. You can get a model of this transistor from the component library . Us ...
MAX3222/MAX3232/MAX3237/MAX3241* 3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 ________________General Description
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... The MAX3222/MAX3232 have 2 receivers and 2 drivers. The MAX3222 features a 1µA shutdown mode that reduces power consumption and extends battery life in portable systems. Its receivers remain active in shutdown mode, allowing external devices such as modems to be monitored using only 1µA supply curre ...
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installation operation and maintenance siltronix model 1011d
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... servicing when required. The 14A may be detached quickly from the transceiver and tested individually, thus isolating the source of trouble. It uses two power transistors for switching in a flip-flop oscillator circuit. They are rated at 50 amperes, with a 40 volt rating. Diode spike clipping provid ...
Chrono_status_SiD2013
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low-voltage logic (lvc) designer`s guide
low-voltage logic (lvc) designer`s guide

... A reduction of power consumption provides several other benefits. Less heat is generated, which reduces problems associated with high temperature. This may provide the consumer with a product that costs less. Furthermore, the reliability of the system is increased due to lower temperature stress gra ...
Two-Ports - University of Southern California
Two-Ports - University of Southern California

... Most linear electrical and electronic systems can be viewed as two-port networks. A network port is a pair of electrical terminals. A two-port network is a circuit that has an input port to which a signal voltage or current is applied and an output port at which the response to the input signal is e ...
231 Manual - Lake Shore Cryotronics, Inc.
231 Manual - Lake Shore Cryotronics, Inc.

... convert output to a voltage reading scaled from zero. A 500  ±0.02% precision resistor is provided for this purpose. This resistor produces the maximum full-scale output of 10 V. A single +5 VDC supply powers Model 231 circuitry. The outputs are isolated so several 231s can operate from the same su ...
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BQ2040 - Texas Instruments
BQ2040 - Texas Instruments

... proper operation. Table 1 outlines the configuration information that must be programmed in the EEPROM. ...
Tutorial on Single-Pole Tripping and Reclosing
Tutorial on Single-Pole Tripping and Reclosing

A/E Specification - Bosch Security Systems
A/E Specification - Bosch Security Systems

... the connected load on each channel. The amplifier shall have a built-in relay for automatically connecting the loudspeaker loads to a spare amplifier in case of amplifier failure. The amplifier shall have internal mounting options for a loudspeaker line and individual loudspeaker supervision system ...
Aluminum Electrolytic Capacitors - General technical
Aluminum Electrolytic Capacitors - General technical

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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.
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