Business band stands for a series of frequencies in the UHF and VHF two-way radio bands, which are exclusively reserved for businesses to communicate within limited ranges. Of course, not just anyone can use this bandwidth. Anyone that wants to use the business band must first receive a license fr
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A momentary switch is one that is capable of turning a device on or off when a user presses it. Momentary switches represent one of two forms of switches, the other being a traditional on/off switch. They are found in many electronic devices and are usually buttons. Momentary switches are a type of
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A Capacitor Bank is a group of several capacitors of the same rating that are connected in series or parallel with each other to store electrical energy . The resulting bank is then used to counteract or correct a power factor lag or phase shift in an alternative current (AC) power supply. They can
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A dielectric is a material that restricts the flow of current. Dielectrics are defined by their dielectric constant, current leakage, and breakdown voltage. They are mainly used in capacitors, allowing charge to build up on the conductive plates. An insulator is a dielectric than can withstand a hig
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An amplifier uses a small input signal to create a large output signal, while minimizing distortion of the waveform. Amplifiers are used for both electrical and optical signals. Working of an Amplifier Modern amplifiers use solid-state electronics, although some are still made with vacuum tubes.
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An IFL, or Interfacility Link, is a cable system that is used in facilities to connect an outdoor unit and an indoor unit. An outdoor unit refers to the satellite receiver or coaxial cable that connects a service provider to a company while an indoor unit refers to the coaxial cables, routers, or tr
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The Frequency-Hopping Spread Spectrum (FHSS) is a means of transmitting radio signals by shifting a carrier across a number of channels with a pseudorandom sequence that the sending and receiving station knows beforehand. The method is used as a multiple access process in the FH-CDMA (Frequency Hopp
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Wiring a light switch--whether because you need a new one or are adding new light switches to a house--is a process that requires some basic understanding of how a light switch works. To begin with, you need to make sure you've got the wiring all through the house. Once you have the wiring and can a
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Variac is the trademark name of a variable autotransformer. A variable autotransformer is a single-coil transformer in which two portions of the same coil are used as the primary and the secondary. Variable autotransformers are used for the same purposes as regular transformers, but handle lower vol
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A Chebyshev filter can either be analog or digital, and is an improvement on the Butterworth filter as it has a steeper roll-off and a greater passband and stopband ripple. These filters minimize overall error between actual and idealized filter characteristics for the designed range of the filter.
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