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DIAGRAM 14

Electrical Symbols — VHF UHF SHF

Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 MHz and 3 GHz, also known as the decimetre band as the wavelengths range from one meter to one decimetre. Radio waves with frequencies above the UHF band fall into the SHF (super-high frequency) or microwave frequency range. Lower frequency signals fall into the VHF (very high frequency) or lower bands. UHF radio waves propagate mainly by line of sight; they are blocked by hills and large buildings although the transmission through building walls is strong enough for indoor reception. They are used for television broadcasting, cell phones, satellite communication including GPS, personal radio services including Wi-Fi and Bluetooth, walkie-talkies, cordless phones, and numerous other applications.

Electrical Symbols — VHF UHF SHF

Pic. 1. VHF UHF SHF Library

ConceptDraw DIAGRAM is a powerful software for creating professional looking electrical diagram quick and easy. For this purpose you can use the Electrical Engineering solution from the "Engineering" area of ConceptDraw Solution Park.

Electrical Engineering Solution for ConceptDraw DIAGRAM provides the stencils libraries of ready-to-use predesigned 926 vector symbols, templates and samples that make your electrical drawing quick, easy and effective.

26 libraries of the Electrical Engineering Solution of ConceptDraw DIAGRAM make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.

Electrical Symbols

Pic. 2. Electrical Engineering symbols

Electrical diagram software will assist you in drawing your electrical diagrams with minimal effort and makes it very easy for beginners. Electrical symbols and smart connectors help present your electrical drawings, electrical schematic, wiring diagrams and blue prints.

Electrical Symbols — VHF UHF SHF *

Pic. 3. Electrical Symbols — VHF UHF SHF

Most of the electrical symbols can be changed in their appearance, styles and colors according to users' requirements. Electrical symbols are used to represent various electrical and electronic devices in a schematic diagram of an electrical or electronic circuit.

The following table lists some VHF UHF SHF electrical symbols in our electrical diagram software.

Symbol Meaning
Electrical Symbols — VHF UHF SHF
DiscontinuityDiscontinuity
Equivalent seriesEquivalent series
Capacitive reactanceCapacitive reactance
Capacitive reactance 2Capacitive reactance 2
Inductive reactanceInductive reactance
ResistanceResistance
Inductance capacitanceInductance capacitance
Inductance capacitance 2Inductance capacitance 2
Inductance capacitance 3Inductance capacitance 3
Inductance capacitance 4Inductance capacitance 4
Inductance capacitance 5Inductance capacitance 5
Inductance capacitance 6Inductance capacitance 6
Inductance capacitance 7Inductance capacitance 7
Inductance capacitance 8Inductance capacitance 8
Equivalent shuntEquivalent shunt
Capacitive susceptanceCapacitive susceptance
Capacitive susceptance 2Capacitive susceptance 2
Inductive susceptanceInductive susceptance
ConductanceConductance
Slide screw tunerSlide screw tuner
E-H tunerE-H tuner
Multistub tunerMultistub tuner
Directional couplerDirectional coupler
Directional coupler 2Directional coupler 2
Mode suppressorMode suppressor
Rotary jointRotary joint
IsolatorIsolator
Phase shifterPhase shifter
GyratorGyrator
Circulator fixedCirculator fixed
Circulator reversibleCirculator reversible
Field polarization rotatorField polarization rotator
Field polarization amplitude modulatorField polarization amplitude modulator
ResonatorResonator
BalunBalun
Balun 2Balun 2
Mode filterMode filter
Frequency filterFrequency filter
Frequency filter, high-passFrequency filter, high-pass
Frequency filter, low-passFrequency filter, low-pass
Frequency filter, band-passFrequency filter, band-pass
Frequency filter, band-stopFrequency filter, band-stop
Phase shifter (matched)Phase shifter (matched)
Ferrite bead ringFerrite bead ring
Line stretcher, maleLine stretcher, male
Line stretcher, femaleLine stretcher, female
MaserMaser
Maser, amplifierMaser, amplifier
LaserLaser
Laser, generatorLaser, generator
Ruby laserRuby laser
Ruby laser, Xenon lampRuby laser, Xenon lamp

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term "laser" originated as an acronym for "light amplification by stimulated emission of radiation".


How to Create an Electrical Diagram Using VHF UHF SHF Library

  • Open ConceptDraw DIAGRAM new document page.
  • Select libraries from Electrical Engineering section.

    Libraries from Electrical Engineering section

  • There are a few different ways to place an object into your drawing:

    • Click on an object and then click on the document, at the place you want the object to be inserted.
    • Perform a drag-and-drop from the library to your document.
    • Double click on an object’s icon in the library to place an object in the center of your document.
  • Select the Smart Connector tool Smart Connector. To connect elements using this tool, drag the connector from one connect dot to another.You can use Layers to place connections on different layers.
  • Result: Electrical Diagram.

    Electrical Diagram







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Picture: Electrical Symbols — MOSFET
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Picture: Star Network Topology
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Cisco Buildings. Cisco icons, shapes, stencils and symbols →

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Picture: Cisco Buildings. Cisco icons, shapes, stencils and symbols
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In general, you can use any icons to represent network equipment on a diagram. However, there are some icons, for instance, Cisco icons, shapes, stencils and symbols, that are recognizable worldwide. Using those icons you can create Cisco network topology diagrams in minutes and share them anywhere. The icons depicting Cisco network equipment are recognized and generally applied as standard images for designing network diagrams. They are free to used , but can not be reworked. Cisco network diagrams are created to depict how signals processed on the network equipment and end-user computers and how data transfer through LAN or WLAN between nodes. The vector graphic library of ConceptDraw CISCO Network Diagrams solution includes about 90 icons of Cisco network equipment for designing computer network diagrams with ConceptDraw DIAGRAM.Cisco Network Topology. <br>Cisco icons, shapes, stencils and symbols *
Picture: Cisco Network Topology. Cisco icons, shapes, stencils and symbols
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Electrical Design Software →

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Picture: Electrical Design Software
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Picture: Seating Chart Template Free
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Electrical Symbols — Power Sources →

A voltage source is a two terminal device which can maintain a fixed voltage. An ideal voltage source can maintain the fixed voltage independent of the load resistance or the output current. However, a real-world voltage source cannot supply unlimited current. A voltage source is the dual of a current source. Real-world sources of electrical energy, such as batteries, generators, and power systems, can be modeled for analysis purposes as a combination of an ideal voltage source and additional combinations of impedance elements. 26 libraries of the Electrical Engineering Solution of ConceptDraw DIAGRAM make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.Electrical Symbols — Power Sources *
Picture: Electrical Symbols — Power Sources
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Picture: Cisco IBM. Cisco icons, shapes, stencils and symbols
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Picture: How To Create CCTV Network Diagram
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Picture: Electrical Diagram Software
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