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CLAS12 Drift Chamber Electronics
CLAS12 Drift Chamber Electronics

... CLAS – A Brief Review Interface – Pre-Amplifier Wire Chamber Electrical ‘Circuit’ Signal ‘Translator’ Board (STB) ...
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Electronic timer

Lesson T5D - Ohm`s Law
Lesson T5D - Ohm`s Law

... paying attention to how strong of a shock he felt in his body when he used himself to complete the circuit (there is a better way to do this!). German physicist Georg Ohm experimented with “resistance” in the years 1825 and 1826. We get the name of the standard unit of resistance from his name – the ...
Radio basics - Berkeley Robotics
Radio basics - Berkeley Robotics

... If the transmitter modulates the frequency of the radiated wave instead of its amplitude, this is called frequency modulation. Most generally, E(t) = E0 sin(M(data) t) This simplest form of frequency modulation is frequency shift keying, or FSK. Broadcast radio in the so-called FM band (88-107MHz) u ...
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The Microprocessor

Design Issues for Direct-Conversion Wireless Radios
Design Issues for Direct-Conversion Wireless Radios

... Solutions include complex algorithms to generate AGC from baseband, high dynamic range circuitry Figure 2 · Two signal paths and quadrature (90º) phase shifts comprise a that requires little AGC, and the use typical D-C circuit used in current wireless products. of logarithmic amplifiers that compre ...
K9 Sounds Notes on K9`s speech repertoire. Script link Me
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... increasing the voltage, or the current (amperage). Greater amperage = faster current draw/battery drain. Greater voltage = greater "pressure" of the current. The router wants 9 volts (I think, I'm in Houston and can't check), the arduinos want 5 volts (which USB provides, so the router can solve tha ...
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Electronic timer

... Universal voltages of 200 - 240V ac/dc, 380 ‑ 440Vac/dc and 230 - 400V ac/dc ...
Introduction to Instrumental Analysis and Evaluation
Introduction to Instrumental Analysis and Evaluation

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PowerPoint 演示文稿

... DO indicates critical alarms, minor alarms, bypass mode, battery mode, low battery voltage, or D.G. control. DO_3 indicates any of the six meanings (except for D.G. control); by default, it indicates bypass mode. The maximum voltage is 30 V DC, and the maximum current is 1 A. ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)

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HMC745LC3 数据资料DataSheet下载

... designed to support data transmission rates of up to 13 Gbps, and clock frequencies as high as 13 GHz. The HMC745LC3 also features an output level control pin, VR, which allows for loss compensation or for signal level optimization. All input and output signals to the HMC745LC3 are terminated with 5 ...
Comblight Recessed Remodel Trimless Housing
Comblight Recessed Remodel Trimless Housing

... a beveled “knife-edge” lips to ensure a clean edge. Housings can an accommodate 0.50” to 1.25” ceiling thickness. B.... System Protection: Aluminum die cast provides exceptional thermal management to yield 70% lumen maintenance after 50,000 hours of operation. ...
Example
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... A main program should successively call the subroutine sound.asm for each of the notes of the tune to be played, passing to it, as arguments, the frequency corresponding to the note, and the duration in milliseconds that the note is to be played. sound.asm implements the frequencies required by send ...
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... • Electrochemical cell – a device used to convert chemical energy into electrical energy stored in charges; chemical energy separates the positive and negative charges. • Battery – a series of electrochemical cells connected together. ...
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... 7. Give two applications of both series and parallel combination. 8. Define an ideal voltage source. 9. Define an ideal current source. 10. Explain how voltage source with a source resistance can be converted into an equivalent current source. 11. Define R.M.S value. 12. State the advantages of sinu ...
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系统功能

... Using precise MPPT function, APL functions, the inverter automatically adjust the solar panels of maximum output power,simply connect the solar panel to the grid inverters. Do not need to connect the battery. AC 0 angle with high precision auto-detection AC phase angle of 0 through isolation amplifi ...
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analog -.. devices

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LAMPIRAN B DATASHEET Wirewound 3590 ................................................................................................................   B – 2
LAMPIRAN B DATASHEET Wirewound 3590 ................................................................................................................ B – 2

... The INA125 can be used on single power supplies of +2.7V to +36V. Figure 5 shows a basic single supply circuit. The IAREF, VREFCOM, and V– terminals are connected to ground. Zero differential input voltage will demand an output volt- age of 0V (ground). When the load is referred to ground as shown, ...
AP7217
AP7217

... is stable with any small ceramic output capacitors of 1.0μF or higher value, and the temperature coefficients of X7R or X5R type. Additional capacitance helps to reduce undershoot and overshoot during transient. For PCB layout, the output capacitor must be placed as close as possible to OUT and GND ...
2002 STANDARD for AIR-CONDITIONING
2002 STANDARD for AIR-CONDITIONING

Feb 2000 ADSL Line Driver/Receiver Design Guide, Part 1
Feb 2000 ADSL Line Driver/Receiver Design Guide, Part 1

... through the telephone switching network. Sophisticated ASICs have been developed to provide small modems for PCs and handheld devices and the ability to compact many DSL lines on a single PCB card for telephone central-office deployment. However, as is the case with almost any system, DSL still requ ...
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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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