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AD5290 数据手册DataSheet下载
AD5290 数据手册DataSheet下载

... Resistor position nonlinearity error R-INL is the deviation from an ideal value measured between the maximum resistance and the minimum resistance wiper positions. R-DNL measures the relative step change from an ideal value measured between successive tap positions. Parts are guaranteed monotonic. ...
AN2852
AN2852

... interface with the downstream DC-DC converter. The power stage of the PFC comprises inductor L2, MOSFET Q1, diode D4 and capacitor C9. The PFC circuit is quite standard and already well described in previous ST application notes. Therefore this note will focus on the AHB stage and its controller, th ...
MOVITRAC® B / System Manuals / 2006-06
MOVITRAC® B / System Manuals / 2006-06

... The percentage of speed-variable AC drives with inverter technology is constantly increasing and these units offer all options to optimize system and machine concepts to the process sequences in addition to machine-conserving drive technology. The expanse of these different fields of application sho ...
Aluminum Electrolytic Capacitors
Aluminum Electrolytic Capacitors

13.Special Diodes Lecture
13.Special Diodes Lecture

Time Varying Harmonic Currents from Large Penetration Electronic
Time Varying Harmonic Currents from Large Penetration Electronic

... The equipment permits the simultaneous and sinchronous sampling of multiple single phase voltage and current signals by using two different acquisition boards dedicated respectively to voltage and current channels. Details about equipment characteristics are reported in [5]-[9]. This chapter deals w ...
Chapter 2 2 OVERVIEW OF THE FACTORS AFFECTING THE
Chapter 2 2 OVERVIEW OF THE FACTORS AFFECTING THE

... outlined in Table 2.4. The “typical” column shows the maximum contribution of individual factors comparing a typical ASIC to a custom design. In total these factors can make power an order of magnitude worse. In practice, even the best custom designs can’t fully exploit all these factors simultaneou ...
Manual - American Musical Supply
Manual - American Musical Supply

... than four 8-ohm speakers per channel, or if the speaker wiring is shorted. The red Clip LED will flash brightly, and the amplifier may sound distorted. If the amplifier is driven hard under these conditions, the current limit will be further reduced, causing an increase in distortion. If the amplifi ...
zener diode - WordPress.com
zener diode - WordPress.com

... With an open zener diode, the full unregulated voltage will be present at the output without a load. In some cases with full or partial loading an open zener could remain undetected. ...
to this file: /ucq_series
to this file: /ucq_series

chapter 9: power management
chapter 9: power management

... All electronic systems require power supplies to operate. This part of the system design is often overlooked. But, as discussed in the amplifier section on PSRR (Power Supply Rejection Ratio), the AC component of the power supply (noise) may add to the output of the amplifier. And the PSRR has a str ...
heatflow_hardware_reference
heatflow_hardware_reference

... where the ISP boot loader exists. To issue a reset to the device the JP2 jumper can be removed and the pushbutton pressed. The 89C51 device is a FLASH based part. In order to program the FLASH a 12-volt supply is required. To program the device the EA/Vpp signal 04 -Pin 2) must be connected the 12-v ...
Linear Circuit Experiment (MAE171a) Prof: Raymond de Callafon
Linear Circuit Experiment (MAE171a) Prof: Raymond de Callafon

... Unlike inverting summing amplifier, no extra resistor can be added to compensate for bias input current. Not desirable: source impedance part of gain calculation. . . MAE171a Linear Circuit Experiment, Winter 2009 – R.A. de Callafon – Slide 24 ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)

AN11496 Agile I/O Input / Output Characteristics
AN11496 Agile I/O Input / Output Characteristics

... There are parasitic connections to each power supply rail thru diodes that are integral to the physical construction of the output transistor. These diodes limit any external voltage applied to the output pin to a diode drop (approximately 0.6V) above VDD and below VSS. There are some cases where yo ...
Low-Power Techniques for High-Speed Wireless
Low-Power Techniques for High-Speed Wireless

Eaton Innovative TechnologyT XT50/100 surge protective device
Eaton Innovative TechnologyT XT50/100 surge protective device

... transients. The connecting wires do not carry supply current. Instead, they carry only short-duration currents that are associated with a transient event. These instructions do not cover all details, variations, or combinations of the equipment, its storage, delivery, installation, checkout, safe op ...
Light-Emitting Diode (LED) Design Guide
Light-Emitting Diode (LED) Design Guide

... as there is no transformer isolation between the AC input and the LEDs on the DC side. Isolated circuits, such as flyback converters, are more robust since their transformers provide some degree of isolation and surge protection. Nevertheless, protection is still required to limit higher surge event ...
Single-Phase to Three-Phase Power Converters: State of the Art
Single-Phase to Three-Phase Power Converters: State of the Art

... Notice that Enjeti et al. [45], [46] propose five new configurations, but just two of them will be presented in this section due to the dc-link midpoint connection; the other ones will be shown in Section II-A2. The topology in Fig. 7, in spite of reducing the number of power switches dramatically—c ...
Chapter 3: Resistive Network Analysis – Instructor Notes
Chapter 3: Resistive Network Analysis – Instructor Notes

... analogies between electrical and thermal circuit elements. These analogies are to be encountered again in Chapter 5. A brief discussion of the principle of superposition precedes the discussion of Thèvenin and Norton equivalent circuits. Again, the presentation is rich in examples and drill exercise ...
Part 4 –PCB LAYOUT RULES FOR SIGNAL INTEGRITY
Part 4 –PCB LAYOUT RULES FOR SIGNAL INTEGRITY

... The purpose of a good PCB layout tends to achieve the following objectives: – (A) Provide a means of sending electrical energy from one component to the other with as little ‘obstacle’ as possible. – (B) Provide sufficient isolation such that electrical signal in one path does not affect other, and ...
1 TUNING IN AMPLIFIERS
1 TUNING IN AMPLIFIERS

... TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. Customers are responsible for their applications using TI components. In order to minimize risks associated with the customer ...
ABSTRACT - Ece.umd.edu - University of Maryland
ABSTRACT - Ece.umd.edu - University of Maryland

General Specifications UT35A/UT32A Digital Indicating Controllers
General Specifications UT35A/UT32A Digital Indicating Controllers

... be specified for the standard signal of thermocouple and resistance-temperature detector (RTD). For integrated signal input, 0.1 V or 0.4 mA or less is judged as a burnout. • Input bias current: 0.05 μA (for thermocouple and resistance-temperature detector (RTD)) ...
RF Performance Test Guidelines White Paper
RF Performance Test Guidelines White Paper

... The general guidelines presented in this document are complemented by device specific application notes that give a brief guide on how to run the various tests on our different radio devices (nRF family). Performance tests must be conducted on more than one unit to avoid misleading conclusions. Runn ...
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Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
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