By Sasha Sara. Power. Publised at Monday, December 18th 2017, 20:48:32 PM. Line regulation refers to the ability of the voltage regulator to reject variations in the applied voltage (often referred to as the line voltage because it is usually derived from the AC power line) and is expressed as a percentage. Ideally, the line regulation would be zero percent meaning that the output voltage is perfectly independent of the line voltage. The equation for line regulation is as follows. Note that line voltage can also mean the DC input voltage for some applications. Line regulation always refers to whatever the input of interest is. Line regulation is expressed in percent and the ideal value is zero meaning that the output voltage is completely independent of the input voltage.
By Madeleine Catherine. Power. Published at Sunday, December 31st 2017, 18:46:44 PM. A rise in die temperature (regardless of cause) approaching the limit threshold (about 160°C) will cause the thermal shutdown to cut drive to the power transistor, thereby reducing load current and internal power dissipation. Note that the thermal limiter can override both the current limit circuits and the voltage error amplifier. Thermal shutdown is detailed in the next section.
By Jessica Mireille. Car Wiring. Published at Sunday, December 31st 2017, 16:28:47 PM. If you have removed the body in preparation for installing a new one, you will now have easy access to all of the attachment points as well as the gauge panel and switches. At this point, you have a blank sheet of paper and can do anything that works best.
By Madeleine Catherine. Motor. Published at Sunday, December 31st 2017, 15:23:47 PM. The choice of a power supply is determined by voltage, current, and power supply type (i.e. switching versus linear, regulated versus unregulated, etc.). By far the most problematic and complicated factor is voltage, which will be discussed last.
By Madeleine Catherine. Circuit. Published at Sunday, December 31st 2017, 14:51:43 PM. Surface mount PCBs do not utilize wires as connectors. Instead, many small leads are soldered directly to the board, meaning that the board itself is used as a wiring surface for the different components. This allows circuits to be completed using less space, freeing up space to allow the board to complete more functions, usually at higher speeds and a lighter weight than a through-hole board would allow.
By Jessica Mireille. Car Wiring. Published at Sunday, December 31st 2017, 12:05:54 PM. You have a lot of time in the off-season and for your team, designate a qualified person to be in charge of the wiring and the process of rewiring the car as well as being the pointman for mid-season troubleshooting of electrical problems. Don’t assume everything will be OK for next season with what you have, take the effort to make sure. It’s so much fun when things don’t go wrong.
By Madeleine Catherine. Motor. Published at Sunday, December 31st 2017, 11:43:49 AM. Before you actually make any bolted connections, verify the correct rotation using a rotation tester. Also make sure you connect the “ground” wire to the “grounding” terminal of the motor. Note that this must be the power supply ground conductor, not a wire leading to a ground rod nearby.
By Cyrielle Marjolaine. Diagram. Published at Sunday, December 31st 2017, 06:27:36 AM. Electronic components are often assembled and interconnected on a flat surface known as a circuit board. The several types of existing circuit boards may be divided into two broad categories: those intended for prototype or experimental circuits; and those intended for production and/or commercial sale. Circuit boards used for experimental work are often referred to as breadboards or protoboards. Breadboards allow engineers to construct circuits quickly, so that they can be studied and modified until an optimal design is discovered. In a typical breadboard use, components and wires are added to a circuit in an ad hoc manner as the design proceeds, with new data and new understanding dictating the course of the design. Since breadboard circuits exist only in the laboratory, no special consideration need be given to creating reliable or simple-to-manufacture circuits – the designer can focus exclusively on the circuits behavior. In contrast, circuit boards intended for production or commercial sale must have highly reliable wires and interconnects, permanent bonds to all components, and topographies amenable to mass production and thorough testing. And further, they must be made of a material that is reliable, low-cost, and easy to manufacture. A fiberglass substratewith copper wires (etched from laminated copper sheets) has been the PCB material of choice for the past several decades. The Digilent board is a simple example of such a board. Note that most often, production circuit board designs are finalized only after extensive breadboard phases. Components are permanently affixed to production boards using the soldering process.
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