By Cyrielle Marjolaine. Diagram. Publised at Tuesday, December 19th 2017, 00:21:22 AM. When working with circuits, you will often find something called a schematic diagram. These diagrams use symbols to illustrate what electronic components are used and where they’re placed in the circuit. These symbols are graphic representations of the actual electronic components.
By Lydie Honorine. Diagram. Published at Sunday, November 05th 2017, 20:23:44 PM. The unloaded PCB appears green because thin sheets of green plastic have been applied to both sides (otherwise the PCB would appear pale yellow). Called solder masks, these sheets cover all exposed metal other than the component pads and holes so that errant solder can not inadvertently short (or electrically connect) the printed wires. All metal surfaces other than the exposed pads and holes (i.e., the wires) are underneath the solder mask. Not infrequently, blue or even red solder masks are used.
By Sasha Sara. Diagram. Published at Saturday, November 04th 2017, 20:03:26 PM. Starting to make sense? These are the basics and may even seem obvious or intuitive to you, such as the wires and if they are connected. Whenever you determine your specific field of electrical engineering, you may see more complex diagrams and symbols. You’ll learn also that different countries use different symbols. For example, of the two symbols for resistors above, the first one is used in the U.S., while the second is used in Europe. You will also learn about the various symbols used for switches, other power supplies, inductors, meters, lamps, LEDs, transistors, antennas, and much more.
By Lydie Honorine. Circuit. Published at Thursday, November 02nd 2017, 19:35:35 PM. If the components are connected in a parallel format they would be termed to be a parallel series. In this sort of a connection all the components would receive the same voltage, while the current would be divided amongst the components.
By Jessica Mireille. Diode. Published at Sunday, October 29th 2017, 18:39:17 PM. A simplified planar silicon diode is illustrated in Fig. 2.0.3. Using this process for silicon diodes produces two differently doped layers of silicon, which form a ‘PN junction’. Undoped or ‘intrinsic’ silicon has a lattice structure of atoms, each having four valence electrons, but P type silicon and N type silicon are doped by adding a relatively very small amount of material having either an atomic structure with three valence electrons (e.g. Boron or Aluminium) to make P type, or five valence electrons (e.g. Arsenic or Phosphorus) to make N type silicon. These doped versions of silicon are known as ‘extrinsic’ silicon. The P type silicon now has a shortage of valence electrons in its structure, which can also be considered to be a surplus of ‘holes’ or positive charge carriers, whereas the N type layer is doped with atoms having five electrons in its valence shell and therefore has a surplus of electrons which are negative charge carriers.
By Bertille Solange. Diode. Published at Saturday, October 28th 2017, 18:33:02 PM. Check valves are essentially pressure-operated devices: they open and allow flow if the pressure across them is of the correct “polarity” to open the gate (in the analogy shown, greater fluid pressure on the right than on the left). If the pressure is of the opposite “polarity,” the pressure difference across the check valve will close and hold the gate so that no flow occurs.
By Alix Loane. Circuit. Published at Thursday, October 26th 2017, 18:28:29 PM. A simple low-pass filter circuit, which allows low frequency signals to pass through the circuit while attenuating high-frequency signals, can be made using a resistor and capacitor in series.The transfer function of this filter can be determined by analyzing the circuit as a voltage divider,
By Sasha Sara. Circuit. Published at Wednesday, October 25th 2017, 18:12:08 PM. Resistors, capacitors, and inductors are the fundamental components of electronic circuits. In fact, all electronic circuits can be equivalently represented by circuits of these three components together with voltage and current sources.
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