applications are on bench top power supply or as a panel meter in various system. Overview of the project: Circuit description TEXAS INSTRUMENTS MSP430G2231 is the heart and brain of this circuit .the internal adc of the mcu with a resistor network voltage divider is used to measure the input voltage. Then 3 digest of comm anode 7 segment display is used to display final converted voltage. As you can see in the schematic the displays are multiplexed with each other. means we switch
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external ICs required - Minimum external components • Non-volatile Flash memory technology - No battery backup required - 100K record cycles (typical) - 100-year message retention (typical) • Single message of 20 to 30 seconds‚ with external resistor selection • User-friendly‚ easy-to-use operation - Programming & development systems not required - Level-activated recording & edge-activated playback switches • Low power consumption - Operating current: 25 mA (typical‚ no load) - Standby current:
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calculate the resistance of the element 5) What will the current strength be if there is a potential difference of 20 V across a wire with a resistance of 5 Ω 6) What potential difference is needed to let a current of 4‚5A exist in a 30 Ω resistor 7) Write down the formula you would use to calculate current
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Engineering Circuit Analysis‚ 7th Edition 1. (a) 12 μs (b) 750 mJ (c) 1.13 kΩ (d) 3.5 Gbits (e) 6.5 nm (f) 13.56 MHz Chapter Two Solutions 10 March 2006 (g) 39 pA (h) 49 kΩ (i) 11.73 pA PROPRIETARY MATERIAL . © 2007 Th e McGraw-Hill Companies‚ Inc. Lim ited distr ibution perm itted onl y to teachers and educators for course preparation. If you are a student using this Manual‚ you are using it without permission. Engineering Circuit Analysis‚ 7th Edition 2. (a) 1 MW (b) 12.35 mm (c) 47
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7. A blueprint specification for the thickness of a dishwasher part at PlataLimpia‚ Inc. is 0.325 ± 0.025 centimeters (cm). It costs $15 to scrap a part that is outside the specifications. Determine the Taguchi loss function for this situation. Answer 7. The Taguchi Loss Function for PlataLimpia‚ Inc. part is: L(x) = k (x - T)2 $15 = k (0.025)2 k = 24000 L(x) = k (x - T)2 = 24000 (x - T)2 8. A team was formed to study the dishwasher part at PlataLimpia‚ Inc. described in
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essentially works as I to V (current-to-voltage) converter and converts temperature variations into voltage variations. To amplify the change in voltage due to change in temperature‚ instrumentation amplifier formed by op-amps A2‚ A3 and A4 is used. Resistor R2 and zener diode D1 combination is used for generating reference voltage as we want to amplify only change in voltage due to the change in temperature. Op-amp µA741 (IC2) works as a comparator. One input to the comparator is the output from
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their travels. We define electrical resistance as the ratio of voltage to current. The equation we use to find the resistance from the current and voltage is: Resistance Resistance is a property of a DEVICE or a COMPONENT. like a lamp‚ a resistor‚ a thermistor‚ a diode and so on. Its value depends on four things. 1. What it’s made of. Metals are good conductors so have lower resistance than an insulator of the same dimensions. 2. Length – the longer‚ the greater resistance. 3. Area of
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fire the triacs. The triac provides sufficient current to the load. REFRENCES: - Electronic Devices and Circuits An Introduction Allen Mottershead COMPONENT LIST: - Resistors |R 1 |47 K( | |R2 |100 K( Potentiometer
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ranges of reading for specific amount of current‚ shunt resistors are often connected in parallel with the basic meter. The basic meter inside an analog ammeter has an intrinsic resistance‚ Rm‚ which is essentially small enough to sanction specific amount of electric current that will cause a full-scale deflection; though most of the time it becomes inefficient in producing current reading due to excessive electric current‚ thus shunt resistors provide additional resistances that would complement the
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source) 1 Analog Voltmeter (for measuring sensed seismic signal amplitudes) 1 Amplifier DC Offset Circuit (for amplifying seismic signals sensed by geophone) -1 experimental socket board -6 volt lantern battery -47k Ohm resistor -2.2k Ohm resistor - ICL 7660 integrated circuit - IC 741 integrated circuit -1000 Ohm Potentiometer -10 microFarad capacitor (3) -Jumper wires (10) -4 mueller clip leads METHODS The first part of this process is to obtain all electrical
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