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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
Equivalent seriesEquivalent series
Capacitive reactanceCapacitive reactance
Capacitive reactance 2Capacitive reactance 2
Inductive reactanceInductive reactance
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
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
Phase shifterPhase shifter
Circulator fixedCirculator fixed
Circulator reversibleCirculator reversible
Field polarization rotatorField polarization rotator
Field polarization amplitude modulatorField polarization amplitude modulator
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
Maser, amplifierMaser, amplifier
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: Security Plans
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Picture: Process Flow Chart
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Picture: Metropolitan area networks (MAN). Computer and Network Examples
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Cross-Functional Flowchart →

There are many tools to manage a process or to illustrate an algorithm or a workflow. Flowcharting is one of those tools. However, it may be difficult to show complex processes that require multiple attributes or several people in a simple flowchart, so a cross-functional flowchart would be a solution for that situation. To create such flowchart, group processes and steps to labeled rows or columns, and divide those groups with horizontal or vertical parallel lines. It is worth mentioning that there are different types of cross-functional flowcharts, like opportunity or deployment flowchart. This diagram shows a cross-functional flowchart that was made for a trading process. It contains 14 processes, distributed through 5 lines depicting the participants who interact with the process. Also there are connectors that show the data flow of information between processes. The cross-functional flowchart displays a detailed model of the trading process, as well as all participants in the process and how they interact with each other. The lines in the flowchart indicates the position, department and role of the trading process participants.Cross-Functional Flowchart
Picture: Cross-Functional Flowchart
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Picture: Wireless network. Computer and Network Examples
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Picture: Reflective Ceiling Plan
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Picture: Network wiring cable. Computer and Network Examples
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