By Cyrielle Marjolaine. Amplifier. Publised at Sunday, January 07th 2018, 15:24:23 PM. Class B operation has no direct DC bias voltage like the class A amplifier, but instead the transistor only conducts when the input signal is greater than the base-emitter voltage and for silicon devices is about 0.7v. Therefore, at zero input there is zero output. This then results in only half the input signal being presented at the amplifiers output giving a greater amount of amplifier efficiency as shown below.
By Valentine Sybille. Diagram. Publised at Sunday, December 17th 2017, 00:08:54 AM. In a digital circuit, power supply voltage levels are constrained to two distinct values – “logic high voltage” (called LHV or Vdd) and “logic low voltage” (called LLV or GND). The GND node in any circuit is the universal reference voltage against which all other voltages are measured (in modern digital circuits, GND is typically the lowest voltage in the circuit). In a schematic, it is often difficult to show lines connecting all GND nodes; rather, any nodes labeled GND are assumed to be connected into the same node. Often, a downward pointing triangle symbol, is attached to a GND node in addition to (or instead of) the GND label. The Vdd node in a digital circuit is typically the highest voltage, and all nodes labeled Vdd are tied together into the same node. Vdd may be thought of as the “source” of positive charges in a circuit, and GND may be thought of as the “source” of negative charges in a circuit. In modern digital systems, Vdd and GND are separated by anywhere from 1 to 5 volts. Older or inexpensive circuits typically use 5 volts, while newer circuits use 1-3 volts.
By Valentine Sybille. Diagram. Publised at Thursday, November 09th 2017, 22:24:37 PM. There are two commonly used capacitor symbols. One symbol represents a polarized (usually electrolytic or tantalum) capacitor, and the other is for non-polarized caps. In each case there are two terminals, running perpendicularly into plates. The symbol with one curved plate indicates that the capacitor is polarized. The curved plate represents the cathode of the capacitor, which should be at a lower voltage than the positive, anode pin. A plus sign might also be added to the positive pin of the polarized capacitor symbol.
By Valentine Sybille. Car Wiring. Published at Saturday, December 30th 2017, 13:36:45 PM. If certain wires are joined for a specific length, then you can create a wiring harness custom designed for your car. Then when the old season is over, you’ll have a ready-made harness to install for next year.
By Valentine Sybille. Car Wiring. Published at Saturday, December 30th 2017, 12:56:44 PM. The most common type of fuse is a short length of thin wire enclosed in a heatproof casing often glass. The size of the fuse wire is the thinnest that can carry the normal current of the circuit without overheating, and it is rated in amps.
By Cyrielle Marjolaine. Car Wiring. Published at Saturday, December 30th 2017, 12:48:04 PM. The best wiring plan is the one that makes access to the connections the easiest and following the wires from end to end possible. When an electrical problem arises at the races, there is little time to find the problem and fix it. Having easy access shortens the process.
By Charlotte Myriam. Car Wiring. Published at Saturday, December 30th 2017, 08:57:08 AM. 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 Alix Loane. Car Wiring. Published at Saturday, December 30th 2017, 08:48:04 AM. On its downstroke, a piston draws air into the cylinder. On the compression stroke, the fuel injection system (depending on how it’s timed) sprays fuel into the combustion area, and the resulting cylinder pressure (and residual heat from previous firings) combusts the fuel/air mix, etc.
By Bertille Solange. Car Wiring. Published at Saturday, December 30th 2017, 08:25:15 AM. Then when you attach the new connector, you will be able to match the proper wires. For push on male to female mid-wire connectors, always use a shrink wrap over the connection to make sure it does not come un-connected. You can cut the shrink wrap to disconnect the wires later on.
By Lydie Honorine. Car Wiring. Published at Saturday, December 30th 2017, 07:30:01 AM. 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.
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