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... When current is passed through the coil, an electromagnetic field encircles it. The coil can act like a magnet! ...
electronics
electronics

... When current is passed through the coil, an electromagnetic field encircles it. The coil can act like a magnet! ...
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... and high current capabilities—and is well suited for power applications. ...
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... Parallel circuits—electrical devices connected to the same __________ points of an electric circuit. Important characteristics of Parallel circuits— 1. Each device connects the same two points and the ___________ is therefore the same across each device. 2. The total __________ divides among the pa ...
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... LED's securely in place while you solder. This will also help you get the desired height above the PCB. After the LED's are in place add the IC sockets & the IC's. Solder the power and audio cables to the pads as indicated. After a final check turn on the power and the audio input. If you have an au ...
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... denote by the symbols i and v, respectively. We define a branch current as the current along a branch of the circuit (see Figure 2.4), and a branch voltage as the potential difference measured across a branch. Since elements and branches are the same for circuits formed of two-terminal elements, the ...
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... Complete the following :1 – When measuring a voltage ( or current ) select a range that results in deflection as close to …………………. as possible, this will minimize the effect of …………………….. error. 2 - When measuring a voltage select a range so that ………………………………. . This will minimize the effect of ……… ...
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... This value is divided by the inverting gain of three for R21/R22 to be 0.8658 volts at the output of U6. This voltage is derived by a combination of a temperature stable 2.5 volt reference and a resistor and potentiometer network, R16 to R19. This network derives the dominate portion of the voltage ...
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... 2. Connect cables to the power supply connectors in the same fashion. For ease of testing, cables with “banana plug” connectors on one end and bare wire on the other can be used. 3. Connect an SMA cable to the input connector. Furthermore a high impedance scope probe can be attached to the load test ...
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... The total resistance in a parallel circuit is the reciprocal of the sum of the reciprocals of the separate resistances in parallel. Resistance: ___ + ___ + ___ ...
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... between battery- and mains power is transparent. That is, the instant a user inserts the power supply connector, the device switches to the power supply, and the instant the user unplugs the device, it switched to battery power. Draw a block diagram/schematic that shows how to implement this functio ...
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... output channel with a pull-up or pull-down resistor, you should select a resistor value so that the “on current” is at least five times higher than the leakage current. For example, if you are using the pulse output to switch a 5V signal, you should use a pull-up resistor of one mega-ohm or smaller ...
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Current source



A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.A current source is the dual of a voltage source. The term constant-current 'sink' is sometimes used for sources fed from a negative voltage supply. Figure 1 shows the schematic symbol for an ideal current source, driving a resistor load. There are two types - an independent current source (or sink) delivers a constant current. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit.
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