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IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)

... A comparator is an electronic device, which is widely used in the design of analog to digital converters and mixed signal systems. Basically, a comparator is a device, which compares two signals(voltages) and produces the digital output based on the comparison made [1]. The sampled input signal is t ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

... Now more and more photovoltaic panels and wind turbines are integrated into grid, whose power fluctuation will lead to grid instability. Microgrid system is one of the solutions. There are many benefits of Microgrid including little pollution, higher reliability, better quality of power supply, and ...
lec25a
lec25a

... A resistor is any circuit element that has electrical resistance (heater, light bulb, etc.). Usually we assume wires have no resistance. ...
INA117 数据资料 dataSheet 下载
INA117 数据资料 dataSheet 下载

... The INA117 is a precision unity-gain difference amplifier with very high common-mode input voltage range. It is a single monolithic IC consisting of a precision op amp and integrated thin-film resistor network. It can accurately measure small differential voltages in the presence of common-mode sign ...
8-Bit Parallel-Out Serial Shift Register (Rev. D)
8-Bit Parallel-Out Serial Shift Register (Rev. D)

... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain t ...
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WORKING OF scr….

... When a positive pulse is given to the gate , base current IB1 flows. So, collector current IC1 flows. But the collector current IC1 of transistor T1 is the base current IB2 of transistor T2. So, the IB2 flows and as a result , collector current IC1 flows. Now , this current IC2 flows through the bas ...
Teledyne LeCroy Launches RP4030 Active Voltage Rail Probe and
Teledyne LeCroy Launches RP4030 Active Voltage Rail Probe and

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... becoming increasingly popular,[15]sinusoidal PWM (SPWM) is the most straightforward method used to vary drives' motor voltage (or current) and frequency. With SPWM control (see Fig. 1), quasisinusoidal, variable-pulse-width output is constructed from intersections of a saw-toothed carrier frequency ...
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Useful Demonstrations for Units 1 to 4

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Electrical Energy - Mosinee School District
Electrical Energy - Mosinee School District

... Electrical Energy In this experiment, you will study a small, inexpensive electric motor used as a crude elevator. You will measure the current through, and voltage across, a motor as it lifts a small mass. If you know the current and voltage, you can calculate another electrical quantity – power. T ...
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lab sheet

... Higher voltage gain – The gain is dependent on the value of the load resistor and the collector biasing resistor. If we could increase the value of this resistance, higher gain would be obtained. However, by increasing the value of RC, we interfere with the biasing point of the transistor. If RC is ...
Electrical Energy
Electrical Energy

... Electrical Energy In this experiment, you will study a small, inexpensive electric motor used as a crude elevator. You will measure the current through, and voltage across, a motor as it lifts a small mass. If you know the current and voltage, you can calculate another electrical quantity – power. T ...
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High Current Test Sets - agea
High Current Test Sets - agea

... combined test systems allow voltage and current tests on all kind of instrument transformers with one unit. They are suitable for calibration measurement on CT’s and VT’s and for potential tests on both. agea-kull delivers test systems where a high voltage and a high current transformer are excited ...
ANTARIS® 4 GPS Modules Data Sheet
ANTARIS® 4 GPS Modules Data Sheet

... In this mode, the Autonomous Power Management (APM)  automatically optimizes power consumption.  It powers off parts of  the receiver when they are not used.  Also, the CPU speed is  reduced when the CPU workload is low.  A configurable power saving mode is available where the GPS is put  into sleep ...
LT5570 - Linear Technology
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... OUT (Pin 6): DC Output Pin. The output impedance is mainly determined by an internal 100Ω series resistance that provides output circuit protection if the output is shorted to ground. DNC (Pins 7, 8): Do Not Connect. Don’t connect any external component at these pins. Avoid a long wire or metal trac ...
Zener Diode 1 circa 1995 M H Miller TUTORIAL PROJECT – ZENER
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... The idealized diode is an approximation to semiconductor PN junction diode non-bilateral terminal behavior. By definition it is a two terminal device whose terminal properties depend on the direction of current flow through the diode and the polarity of the terminal voltage difference across the dio ...
Aatmesh_alicia_finalProject
Aatmesh_alicia_finalProject

... • This process is repeated and eventually charges C2 to the maximum Voltage of C1. • A voltage thus inversely proportional to frequency is obtained at C2. ...
AD8278 英文数据手册DataSheet 下载
AD8278 英文数据手册DataSheet 下载

... triple the supply voltage (for G = ½), making the amplifer ideal for single-supply applications that require a high commonmode voltage range. The internal resistors and ESD circuitry at the inputs also provide overvoltage protection to the op amp. The AD8278 and AD8279 can be used as difference ampl ...
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µ OPA349 OPA2349 1

... NOTES: (1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these, or any other conditions beyond those specified, is not impl ...
Dual Schottky Barrier Diode, 30 V, 3 A
Dual Schottky Barrier Diode, 30 V, 3 A

... "standard application", intended for the use as general electronics equipment. The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportati ...
Backlight Driver for 5 LEDs with Charge Pump and PWM Control
Backlight Driver for 5 LEDs with Charge Pump and PWM Control

... high current fractional charge pump output. The charge pump multiplies the input voltage by 1, 1.5, or 2 times. The charge pump switches at a fixed frequency of 250kHz in 1.5x and 2x modes and is disabled in 1x mode to save power and improve efficiency. The mode selection circuit automatically selec ...
Circuit Note
Circuit Note

ARC46_UsersManual - RIT
ARC46_UsersManual - RIT

2-terminal vs. 4-terminal resistors
2-terminal vs. 4-terminal resistors

... resistance) contribution of the lead wires, thereby resulting in tighter thermal stability compared to conventional two-terminal shunts. The above figure illustrates the four-terminal connection (developed by Lord Kelvin) that enables the voltage drop to be measured across the resistance element its ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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