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Digital Systems Topic 2:  Logic Gates and Families: Definitions and Characteristics
Digital Systems Topic 2: Logic Gates and Families: Definitions and Characteristics

power measurements?
power measurements?

... Some power meters use RMS measurement ranges and zero crossing by means of software cannot achieve high others use peak measurement ranges. Relating the accuracy measurement accuracy for current, voltage and active power. information to peak values looks impressive at first sight, but in In order to ...
Electricity Module 2
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... batter. It may sound odd, but the cake circuit is every bit as genuine as an electric lamp, a refrigerator, or a toaster. The electric lamp circuit produces light (actually it’s mostly heat), the refrigerator circuit produces motion (the motor), and the toaster produces heat. The cake circuit is mos ...
Double Sideband (DSB) and Amplitude Modulation
Double Sideband (DSB) and Amplitude Modulation

... view. This should have the characteristic shape of DSB modulation. Simultaneously view the spectrum of the message signal and the spectrum of the modulated carrier. You should observe the double sidebands of the latter. Connect the DSB modulator output to the synchronous detector. Reset the phase of ...
ADP2114 Configurable, Dual 2 A/Single 4 A, Synchronous Step-Down DC-to-DC Regulator
ADP2114 Configurable, Dual 2 A/Single 4 A, Synchronous Step-Down DC-to-DC Regulator

... are synchronized. The frequency select resistor, mentioned in the description of Pin 3, must be selected close to the expected switching frequency for stable operation. Operation Configuration Input. Connect this pin through a resistor to GND to set the system mode of operation according to Table 7. ...
ACA-20PC Series - Murata Power Solutions
ACA-20PC Series - Murata Power Solutions

... additional information is required regarding calibration, setup, or any other technical issue pertaining to the ACA-20PC. 3. Wire Gauges and Fusing: Wires specified in the Functional Specifications section must be used for making connections to ACA-20PC Series ammeters. All power-supply and load wirin ...
Interleaved Power Factor Correction
Interleaved Power Factor Correction

... the rectifier which provides DC voltage to the PFC converter stage, then we have the PFC converter itself which provides the control over the current shape and phase lag while regulating the output voltage. Finally we have the controller block. The PFC converter can be implemented using different ci ...
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Roksan Glossary of Terms.xlsx

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... 4. a) Draw the current locus for a series R-L circuit. b) A coil of 2.2Ω resistance and 0.01H is connected in series with a capacitor across 220V mains. Find the value of capacitance such that the maximum current flows in the circuit at a frequency of 100Hz. Also, find the current and voltage across ...
LCD (Liquid Crystal Display) Color Monitor Introduction
LCD (Liquid Crystal Display) Color Monitor Introduction

... at the cell, rather than at the end of a long Tiny transistors and capacitors control the conductor. The result is faster response times, charge on each liquid crystal cell in an active and less crosstalk between cells. matrix. Additionally, higher drive signals can be used which creates much bright ...
Electric Power Engineering and Electrical Engineering
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Chapter 2: Digitization of Sound
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... the small signal to jump around, which causes the converter to switch rapidly between levels rather than being forced to choose between two fixed values Quantization error is thus decorelated from the signal and is perceived as wideband noise rather than audible distortion ...
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SSM2166 数据手册DataSheet 下载

... system on a single integrated circuit. Designed primarily for voiceband applications, this integrated circuit provides amplification, rms detection, limiting, variable compression, and downward expansion. An integral voltage-controlled amplifier (VCA) provides up to 60 dB of gain in the signal path ...
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... The MAX17106 is optimized for thin-film transistor (TFT) liquid-crystal display (LCD) applications. The device includes a high-performance 18V step-up regulator with integrated switch for the source-driver supply, a 38V step-up regulator with temperature compensation for the TFT gate-on supply (VON) ...
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... laser arrays is a key step towards making high-power lasers at low cost, because the manufacture of such laser arrays eliminates labour-intensive fabrication and packaging [ 11. The surface-normal topology of the vertical cavity surface-emitting laser (VCSEL) makes it ideally suited to the formation ...
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... While it is important for electrical engineering students to understand the core concepts of analog filters, it is also important for them to understand where the filters are used. Due to their ubiquity, it would be difficult to list all applications. However, there are several common uses for an el ...
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ADL5505 数据手册DataSheet 下载

... The ADL5505 is a highly accurate, easy to use means of determining the rms of complex waveforms. It can be used for power measurements of both simple and complex waveforms but is particularly useful for measuring high crest factor (high peak-to-rms ratio) signals, such as W-CDMA, CDMA2000, WiMAX, WL ...
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Highly Energy and Performance Efficient Embedded

... which is operated at the peak frequency all the time. Examples of such work include [10, 11]. Non-adaptive techniques typically operate the circuit at multiple voltages—critical paths of the circuit being implemented at higher voltages when compared to the non-critical paths—or rely on circuit imple ...
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... current interruption (FCI) function. The former function has been presented in and the latter is described in this paper. It should be noted that limiting the fault current by the DVR disables the main and the backup protection (e.g., the distance and the over current relays). This can result in pro ...
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Avoid Pitfalls in Precision Temperature Measurement

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... Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operat ...
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MAX44206 180MHz, Low-Noise, Low-Distortion, Fully Differential

... The MAX44206 is a low-noise, low-distortion fully differential operational amplifier suitable for driving high-speed, high-resolution, 20-/18-/16-bit SAR ADCs, including the MAX11905 ADC family. Featuring a combination of wide 2.7V to 13.2V supply voltage range and wide 400MHz bandwidth, the MAX4420 ...
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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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