# Diode

## Zenor Diode As Voltage DropperZenor Diode As Voltage Dropper

By Valentine Sybille. Diode. Publised at Wednesday, December 27th 2017, 03:25:22 AM. A diode is a one-way conductor. It has two terminals, the anode or positive terminal and the cathode or negative terminal. Ideally a diode will pass current when its anode is made more positive than its cathode, but prevent current flow when its anode is more negative than its cathode. In the circuit symbols shown in Fig. 2.0.2, the cathode is shown as a bar and the anode as a triangle. On some circuit diagrams the anode of a diode may also be indicated by the letter ‘a’ and the cathode by the letter ‘k’.

## Component Active Diode Circuit EquationComponent Active Diode Circuit Equation

By Charlotte Myriam. Diode. Publised at Tuesday, December 26th 2017, 14:27:42 PM. If you apply a negative voltage to a diode, so the −-−cathode terminal is higher voltage than the +++anode terminal, this puts us on the left side of the iii-vvv curve. We say the diode is reverse biased. In the reverse direction, the current is very close to zero, just ever so slightly negative.

## Diode Selection Circuit DrawingDiode Selection Circuit Drawing

By Charlotte Myriam. Diode. Publised at Wednesday, December 27th 2017, 04:31:39 AM. If you are handling real diodes to build a circuit, you have to figure out which way to point the diode. Real-world diodes are so small there isn’t room to paint a little diode symbol on them, so you need to identify the terminals some other way.

## Equation To Find PowerEquation To Find Power

By Lydie Honorine. Diagram. Published at Monday, November 20th 2017, 08:21:06 AM. Circuits often require inputs that come directly from users (as opposed to inputs that come from other devices). User-input devices can take many forms, among them keyboards (as on a PC), buttons (as on a calculator or telephone), rotary dials, switches and levers, etc. Digilent boards include several input devices, typically including push buttons and slide-switches. Since digital circuits operate with two voltage levels (LHV or Vdd, and LLV or GND), input devices like buttons and switches should be able to produce both of these voltages based on some user action.

## Bias CircuitBias Circuit

By Cyrielle Marjolaine. Circuit. Published at Monday, November 20th 2017, 08:07:58 AM. 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.

### Calculating Voltage DropCalculating Voltage Drop

By Valentine Sybille. Diagram. Published at Monday, November 20th 2017, 08:03:03 AM. Circuits often require output devices to communicate their state to an user. Examples of electronic output devices include computer monitors, LCD alphanumeric panels (as on a calculator), small lamps or light-emitting diodes (LED), etc. Digilent boards include different output devices, but all of them include some number of individual LED, and seven-segment LED displays that can display the digits 0-9 in each digit position (each segment in the seven-segment display contains a single LED). LED are two-terminal semiconductor devices that conduct current in only one direction (from the anode to the cathode). The small LED chips are secured inside a plastic housing, and they emit light at a givenfrequency (RED, YELLOW, etc.) when a small electric current (typically 10mA to 25mA) flows through them.

#### Beginner Electronics ProjectsBeginner Electronics Projects

By Alix Loane. Circuit. Published at Monday, November 20th 2017, 07:29:04 AM. Electric current is the rate at which electric charge flows through a given area. Current is measured in the unit of Coulombs per second, which is known as an ampere (A). In an electronic circuit, the electromagnetic problem of currents is typically simplified as a current flowing through particular circuit components.

##### Transformer Coupled Class A AmplifierTransformer Coupled Class A Amplifier

By Charlotte Myriam. Diagram. Published at Monday, November 20th 2017, 06:53:27 AM. Wiring diagrams use standard symbols for wiring devices, usually different from those used on schematic diagrams. The electrical symbols not only show where something is to be installed, but also what type of device is being installed. For example, a surface ceiling light is shown by one symbol, a recessed ceiling light has a different symbol, and a surface fluorescent light has another symbol. Each type of switch has a different symbol and so do the various outlets. There are symbols that show the location of smoke detectors, the doorbell chime, and thermostat. On large projects symbols may be numbered to show, for example, the panel board and circuit to which the device connects, and also to identify which of several types of fixture are to be installed at that location.

###### Combinations Of Logic GatesCombinations Of Logic Gates

By Valentine Sybille. Circuit. Published at Monday, November 20th 2017, 05:43:03 AM. There are two kinds of energy sources in electronic circuits: voltage sources and current sources. When connected to an electronic circuit, an ideal voltage source maintains a given voltage between its two terminals by providing any amount of current necessary to do so. Similarly, an ideal current source maintains a given current to a circuit by providing any amount of voltage across its terminals necessary to do so.

## How To Find Voltage Drop Across A ResistorHow To Find Voltage Drop Across A Resistor

By Sasha Sara. Circuit. Published at Monday, November 20th 2017, 05:13:59 AM. Most electronic circuits can be represented as a system with an input and an output. The input signal is typically a voltage that is generated by a sensor or by another circuit. The output signal is also

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