Electronic WorkBench tutorial Introduction Electronic WorkBench (EWB) is a simulation package for electronic circuits. It allows you to design and analyze circuits without using breadboards‚ real components or actual instruments. EWB’s click-anddrag operations make editing a circuit fast and easy. You can change parameters and circuit components on the fly‚ which make "what-if" analysis straight foreward. This tutorial is intended as a quick introduction to EWB’s basic features. It first
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Project – “Stereo Audio Compressor” Starting speech Audio compressors that use a light source to control a Light Dependent Resistor (LDR) are not new‚ and indeed there are many classic optical compressor designs. The design goal of the SOC-1.1 was to further enhance the attributes of optical compression to provide the user with alot more functionality as well as improve the compressor response to real world audio signals. We have carefully examined the characteristics of the LDR and developed
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piezoresistors‚ deposited on the oxidized micromachining silicon diaphragm‚ are connected into Wheatstone bridge configuration. For constant voltage VB supply‚ the bridge output V0 is: equation(1) where Ri (i = 1–4) is the resistance of bridge resistors. Thermal drift for offset In Eq. (1)‚ the offset disappears if R1R3 is equal to R2R4. Nonetheless‚ R1R3 is not generally equal to R2R4. The pressure sensor‚ thus‚ has an offset: equation(2) V0=S0K0VB Turn MathJaxon where S0 = R1R3 − R2R4
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Introduction: Hypotheses: 1). A) I think that for the series circuit‚ the current from the battery will be equal to the current that passes throught all three resistors. B) I think that for the parallel circuit‚ the current from the battery will be equal to the sum of the current throught the three resistors C) I think that for the complex circuit‚ that has two light bulbs in series with the battery‚ the current from the battery will be equal the sum of the current throught the
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Electricity and Magnetism Electricity Circuit symbols Potential difference The energy which is delivered to an electric circuit comes from the supply. The greater the potential difference of the power supply the more energy is delivered. Potential difference is measured in volts‚ which has the unit symbol V. Cells in series The more chemical cells that are connected in series the greater the potential difference that they supply. The potential difference of a number of cells connected
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+ 2.0 mA _ VS _ R1 + 2.0 mA _ R2 2.0 mA + _ 2.0 mA + © Copyright 2007 Prentice-Hall Electric Circuits Fundamentals - Floyd Chapter 4 Series circuits Summary The total resistance of resistors in series is the sum of the individual resistors. For example‚ the resistors in a series circuit are 680 Ω‚ 1.5 kΩ‚ and 2.2 kΩ. What is the total resistance? R1 VS 12 V 680 Ω R2 1.5 kΩ 4.38 kΩ R3 2.2 kΩ Electric Circuits Fundamentals - Floyd © Copyright 2007 Prentice-Hall
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Student Number:R001251K Course CR 10066 Research Project DECLARATION I of the following student number declare that this circuit is researched and constructed by me Signature........................................................... INTRODUCTION An electronic muscle stimulator is a circuit designed to stimulate nerves
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5C/40s = 0.0625C/s = 0.0625 A 4. A total charge of 50x10^-3 C passes a point every 2.5 seconds. Calculate the value of the current through the point. I=Q/t= 50C/2.5s = 20 C/s = 20 A 6. Calculate the conductance of a 1.5 MΩ resistor. 7. Calculate the conductance of a 510 kΩ resistor. 23. Convert each of the following to engineering notation. a. 1.11 x 10^8 Hz = 111 x 10^6 = 111 MHz b. 0.22 x 10^-6 F = 0.22 F 24. Convert each of the following to engineering notation
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ABSTRACT Typically Electronics Has Been Defined In Terms Of Three Fundamental Elements Such As Resistors‚ Capacitors And Inductors. These Three Elements Are Used To Define The Four Fundamental Circuit Variables Which Are Electric Current‚ Voltage‚ Charge And Magnetic Flux. Resistors Are Used To Relate Current To Voltage‚ Capacitors To Relate Voltage To Charge‚ And Inductors To Relate Current To Magnetic Flux‚ But There Was No Element Which Could Relate Charge To Magnetic Flux. To Overcome
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power supply * Variable resistor (15ohm rheostat) * Connecting wires * Retort stand * Clamp * Two pieces of thick card or balsa wood 10cmx10cm * Two strips of aluminium foil 1cmx30cm * Four drawing pins * Push switch Method: 1. Pin each foil strip between the pieces of card so that they are parallel with the top card and is supported by the clamp and retort stand. 2. Connect the wires to the power packs DC terminals‚ switch variable resistor and strips as shown in diagram
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