By Cyrielle Marjolaine. Power. Publised at Tuesday, December 19th 2017, 11:49:21 AM. In series regulation the control element is placed between the unregulated voltage source and the load and the current through the element is controlled so that the voltage across the load is held constant. A feedback control system is used where the difference between the output voltage and a reference voltage is applied to a high gain amplifier that drives the current control element such as to maintain the setpoint output voltage. The majority of voltage regulators are of the series type.
By Cyrielle Marjolaine. Circuit. Published at Saturday, December 23rd 2017, 01:06:49 AM. A capacitor is a device that stores energy in the form of voltage. The most common form of capacitors is made of two parallel plates separated by a dielectric material. Charges of opposite polarity can be deposited on the plates, resulting in a voltage V across the capacitor plates. Capacitance is a measure of the amount of electrical charge required to build up one unit of voltage across the plates.
By Alix Loane. Diagram. Published at Saturday, December 23rd 2017, 00:38:09 AM. The slide switches are also known as “single throw-double pole” (STDP) switches, because only one switch (or throw) exists, but two positions (or poles) are available (a pole is an electrical contact to which the switch can make contact). These switches can be set to output either Vdd (when the actuator is closest to the board’s edge) or GND. The push button switches are also known as “momentary” contact buttons, because they only make contact while they are actively being pressed – they output a GND at rest, and a Vdd only when they are being pressed. The figure below shows typically pushbutton and slide switch circuits used on Digilent boards.
By Sasha Sara. Diagram. Published at Saturday, December 23rd 2017, 00:21:25 AM. Variable resistors and potentiometers each augment the standard resistor symbol with an arrow. The variable resistor remains a two-terminal device, so the arrow is just laid diagonally across the middle. A potentiometer is a three-terminal device, so the arrow becomes the third terminal (the wiper).
By Cyrielle Marjolaine. Circuit. Published at Saturday, December 23rd 2017, 00:11:04 AM. An inductor is a device that stores energy in the form of current. The most common form of inductors is a wire wound into a coil. The magnetic field generated by the wire creates a counter-acting electric field which impedes changes to the current.
By Lydie Honorine. Circuit. Published at Friday, December 22nd 2017, 23:34:06 PM. Many different types of components and devices can be found in modern circuits, including resistors, capacitors, and inductors, semiconductor devices like diodes, transistors, and integrated circuits, transducers like microphones, light sensors and motions sensors, actuators like motors and solenoids, and various other devices like heating and lighting elements. Devices in a circuit are connected to one another by means of electrical conductors, or wires. These wires can move electric currents between various points in a circuit. Once a wire connects two or more devices, the wire and all attached device connectors are said to form a single circuit node or net. Any electrical activity on a given net is communicated to all devices attached to the net. Certain nets provide electric power to devices, and other nets carry information between devices. Nets that carry information are called signals, and signals transport information encoded as voltage levels around a circuit. Signal nets typically use smaller conductors, and transport very small currents. Nets that carry power are called supply rails (or just supplies) and supply rails transport electric power around a circuit. Power nets typically use much larger conductors that signal nets, because they must transport larger currents.
By Cyrielle Marjolaine. Motor. Published at Friday, December 22nd 2017, 23:06:28 PM. Ideally, you will be connecting motors per an installation drawing. In that case, it’s a matter of correctly identifying the motor leads by number and connecting them per the drawing. Don’t try to “wing it” when replacing a motor, working with OEM equipment, or installing a motor when such drawings have been provided. But there’s a catch. We’ll get to that in a moment.
By Cyrielle Marjolaine. Diagram. Published at Friday, December 22nd 2017, 21:40:25 PM. Inductors are usually represented by either a series of curved bumps, or loopy coils. International symbols may just define an inductor as a filled-in rectangle.
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