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electricity
electricity

... This is called a Series circuit. Draw the path the electrons travel-out the negative toward the positive The other main type of circuit has two or more branches. This is called a Parallel circuit. Draw on the electron flow. What sort of circuit is this? A parallel… but, more ...
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... The MAX1676 is a high-efficiency, step-up DC-DC converter for portable hand-held devices. It accepts a positive input voltage between 0.7V to 5.5V and converts it to a higher output voltage. The MAX1676 includes a damping circuit (at BATT) that suppresses inductor ringing to reduce electromagnetic i ...
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Experiment 8 — Series
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... Notice that this single resistor has the same total resistance, same current and same voltage as the original series-parallel circuit in Figure 1. Why, then, could you not use this one resistor to complete all of the procedures in this experiment? ...
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... A V to take. The voltmeter reading will still read 12V. The voltage across the second branch of this parallel circuit will also be 12V. The cell in this circuit will run down faster than one attached to a series circuit. It is, essentially, being used by two circuits at the same time. The current dr ...
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... ensure that it carries the proper voltage. • The output current of a current source does not depend on what is attached to it. It will produce whatever voltage is needed to get to that current. • An irresistible force acting on an immovable object is always due to an error in the model. For example, ...
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... were found. In addition, the ten steps were very helpful in designing the circuit in a fast manner. In real world applications people find common collectors to be an integral part of the basic amplifier. They are the most commonly used and easiest to calculate. In future experiments, the laboratory ...
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Current mirror

A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading. The current being 'copied' can be, and sometimes is, a varying signal current. Conceptually, an ideal current mirror is simply an ideal inverting current amplifier that reverses the current direction as well or it is a current-controlled current source (CCCS). The current mirror is used to provide bias currents and active loads to circuits. It can also be used to model a more realistic current source (since ideal current sources don't exist).The circuit topology covered here is one that appears in many monolithic ICs. It is a Widlar mirror without an emitter degeneration resistor in the follower (output) transistor. This topology can only be done in an IC as the matching has to be extremely close and cannot be achieved with discretes.Another topology is the Wilson mirror. The Wilson mirror solves the Early effect voltage problem in his design.
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