By Alix Loane. Diode. Publised at Tuesday, December 05th 2017, 12:19:51 PM. The diode is our first semiconductor device. A diode’s distinctive feature is that it conducts current in one direction, but not the other. We won’t go into the details of how a diode does this, or how it’s made. Fortunately, you don’t have to know how to make a diode before you can use it in a circuit.
By Alix Loane. Circuit. Published at Wednesday, December 20th 2017, 13:59:31 PM. Ohm’s law states that the current through a conductor between two points is directly proportional to the potential difference across those two points. It means that more the resistance lesser current would flow. I=V/R This would apply to any component of a circuit. For example conductors would increase the current flow and the inductors would decrease it.
By Bertille Solange. Diagram. Published at Wednesday, December 20th 2017, 12:52:32 PM. A schematic shows connections in a circuit in a way that is clear and standardized. It is a way of communicating to other engineers exactly what components are involved in a circuit as well as how they are connected. A good schematic will show component names and values, and provide labels for sections or components to help communicate the intended purpose. Note how connections on wires (or "nets") are shown using dots and non-connections are shown without a dot.
By Madeleine Catherine. Circuit. Published at Wednesday, December 20th 2017, 12:33:05 PM. The real part and imaginary part of impedance are interpreted as a resistive part that dissipates energy and a reactive part that stores energy. Resistors can only dissipate energy and therefore their impedances have only a real part. Capacitors and inductors can only store energy and therefore their impedances have only an imaginary part. When resistors, capacitors, and inductors are combined, the overall impedance may have both real and imaginary parts. It is important to note that the definition of impedance preserves the definition of resistance.
By Madeleine Catherine. Circuit. Published at Wednesday, December 20th 2017, 12:09:07 PM. The circuits and components of a double-layer PCB board are usually connected in one of two ways: either utilizing a through-hole or with the use of a surface-mount. A through-hole connection means that small wires, known as leads, are fed through the holes, with each end of the leads then soldered to the right component.
By Sasha Sara. Motor. Published at Wednesday, December 20th 2017, 11:19:57 AM. The result now is a two-part speed-torque curve which features constant torque from zero speed until it intersects the motor’s natural load line, called the corner speed, beyond which the motor is in the constant power region.
By Valentine Sybille. Circuit. Published at Wednesday, December 20th 2017, 10:57:46 AM. In some circuits, there are virtual grounds, which are nodes at the same voltage as ground, but are not connected to a power supply. When current flows into the virtual ground, the voltage at the virtual ground may change relative to the real ground, and the consequences of this situation must be analyzed carefully.
By Valentine Sybille. Amplifier. Published at Wednesday, December 20th 2017, 10:51:48 AM. Audio power amplifiers are classified in an alphabetical order according to their circuit configurations and mode of operation. Amplifiers are designated by different classes of operation such as class “A”, class “B”, class “C”, class “AB”, etc. These different amplifier classes range from a near linear output but with low efficiency to a non-linear output but with a high efficiency.
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