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MWPR1516 16 KB Flash - Freescale Semiconductor
MWPR1516 16 KB Flash - Freescale Semiconductor

... 5. Input must be current limited to the value specified. To determine the value of the required current-limiting resistor, calculate resistance values for positive and negative clamp voltages, then use the large one. 6. Power supply must maintain regulation within operating VDD range during instanta ...
How to Use bq27505 in a Smart Phone System Application Report ......................................................................................
How to Use bq27505 in a Smart Phone System Application Report ......................................................................................

... A charger device on the system board has a SYSOFF feature. The SYSOFF is used to disconnect the battery, which can be controlled by the bq27505. The Impedance Track™ algorithm also requires the charger to be disabled when the battery pack is inserted into the phone. The charger can be disabled throu ...
4.0 Frequency Modulation
4.0 Frequency Modulation

... Bessel’s functions occur in the theory of cylindrical and spherical waves, much like sine waves occur in the theory of plane waves. It turns out that FM generates an infinite number of side frequencies. Each frequency is an integer multiple of the modulation signal. It should be noted that the ampli ...
IET LABS, INC. 1864-1644 Positive Polarity Megohmmeter
IET LABS, INC. 1864-1644 Positive Polarity Megohmmeter

... Chapter 1: INTRODUCTION .......................................................................1 1.1 Description ............................................................................................................... 1 1.2 Opening and Tilting the Cabinet ..................................... ...
Linear IC Applications UNIT -1 DIFFERENTIAL AMPLIFIER
Linear IC Applications UNIT -1 DIFFERENTIAL AMPLIFIER

... Before jumping into op-amps, let’s first go over some amplifier fundamentals. An amplifier has an input port and an output port. (A port consists of two terminals, one of which is usually connected to the ground node.) In a linear amplifier, the output signal = A  input signal, where A is the ampli ...
The Q TEST 6000 is an extremely versatile instrument for testing
The Q TEST 6000 is an extremely versatile instrument for testing

... The watch is placed on the relevant sensor and, if necessary, moved or rotated until the respective Signal LED lights up clearly or flashes in synchronism with the watch pulses. The measurement starts automatically as soon as a watch signal is detected. The result is displayed at the end of the mea ...
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Evaluates: MAX1778/MAX1880/MAX1881/MAX1882 MAX1778 Evaluation Kit General Description Features

... The MAX1778 EV kit features a built-in transient load tester for the step-up switching regulator. Connect a square-wave function generator (50Ω output) to the TRANS_LOAD and GND pads. Set the frequency and duty cycle as required. Note that varying the function generator output voltage (2.0V typ to 1 ...
Multiple RS-232 Drivers And Receivers (Rev. A)
Multiple RS-232 Drivers And Receivers (Rev. A)

... Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C † Stresses beyond tho ...
Operating Manual
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... equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure. The addition of this symbol to a Danger or Warning safety label indicates that an electrical hazard exists, which will result in personal injury if the instructions are not followed. ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,
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... Induction motors are most widely used in all industries. The speed of the induction motor has to be varied according to application requirement [1], [3]. So it is necessary to control the speed of induction motor efficiently. The speed of the motor can be measured using sensor or speed can be estima ...
SalizawatiShamsuddinMFKE2008 DU
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... 2.2.3.1 Comparison Field Measurement and Simulation Result ...
Selective harmonic control for power converters - VBN
Selective harmonic control for power converters - VBN

Advantages of using PMOS-type low-dropout linear regulators in
Advantages of using PMOS-type low-dropout linear regulators in

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Principle and Applications of an Autocharge-Compensated Sample and Hold Circuit Takeshi Shima,
Principle and Applications of an Autocharge-Compensated Sample and Hold Circuit Takeshi Shima,

... coupling from the gate overlap capacitors. Channel charge is emphasized in this discussion.) Channel charge accumulated on the capacitor shows input voltage dependent nonlinear characteristics because of the operating mechanism of the MOS transistor. Many techniques exist for reducing the effect of ...
TPS60500 数据资料 dataSheet 下载
TPS60500 数据资料 dataSheet 下载

... enabling the internal switches as needed to maintain the selected output voltage. This skip-mode regulation is used over a load range from 0 mA to 150 mA. At a higher output current, the device works in a linear regulation mode. The TPS6050x circuits consist of an oscillator, a voltage reference, an ...
Article - Voltage Clamp Techniques
Article - Voltage Clamp Techniques

VW Touareg Hybrid Emergency Response Guide
VW Touareg Hybrid Emergency Response Guide

... If access to the ignition lock and to the 12V battery is not possible, then the high voltage system can be deactivated by the 12V connector on the E-box inside the luggage compartment. Locate the separating point ...
DRV8313 2.5-A Triple 1/2-H Bridge Driver (Rev
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... Both VM pins must be connected to the same supply voltage. Power dissipation and thermal limits must be observed. ...
Aalborg Universitet Selective harmonic control for power converters
Aalborg Universitet Selective harmonic control for power converters

MAX1940 Triple USB Switch with Autoreset and Fault Blanking General Description
MAX1940 Triple USB Switch with Autoreset and Fault Blanking General Description

... only 60µA of quiescent current when operating and only 3µA in standby. Selectable active-high/active-low control logic and independent shutdown controls for each channel provide additional flexibility. An autoreset feature latches the switch off in the event of a short circuit, saving system power. ...
TSM102 TSM102A DUAL OPERATIONAL AMPLIFIER, DUAL COMPARATOR, AND VOLTAGE REFERENCE
TSM102 TSM102A DUAL OPERATIONAL AMPLIFIER, DUAL COMPARATOR, AND VOLTAGE REFERENCE

... and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should 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 te ...
Aalborg Universitet "Active flux" orientation vector sensorless control of IPMSM
Aalborg Universitet "Active flux" orientation vector sensorless control of IPMSM

Simulating PLL reference spurs
Simulating PLL reference spurs

... Running a transient simulation, waiting for the loop to settle, and measuring the spectrum of fout can simulate a PLL’s reference spurs. Simulation by this method can be time consuming and inefficient, especially if the feedback ratio (M) of the PLL is large. This is because the simulator needs to ca ...
Lab 7: Diode Circuits - University of Florida
Lab 7: Diode Circuits - University of Florida

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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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