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.
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.
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.
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 |
 | Discontinuity |
 | Equivalent series |
 | Capacitive reactance |
 | Capacitive reactance 2 |
 | Inductive reactance |
 | Resistance |
 | Inductance capacitance |
 | Inductance capacitance 2 |
 | Inductance capacitance 3 |
 | Inductance capacitance 4 |
 | Inductance capacitance 5 |
 | Inductance capacitance 6 |
 | Inductance capacitance 7 |
 | Inductance capacitance 8 |
 | Equivalent shunt |
 | Capacitive susceptance |
 | Capacitive susceptance 2 |
 | Inductive susceptance |
 | Conductance |
 | Slide screw tuner |
 | E-H tuner |
 | Multistub tuner |
 | Directional coupler |
 | Directional coupler 2 |
 | Mode suppressor |
 | Rotary joint |
 | Isolator |
 | Phase shifter |
 | Gyrator |
 | Circulator fixed |
 | Circulator reversible |
 | Field polarization rotator |
 | Field polarization amplitude modulator |
 | Resonator |
 | Balun |
 | Balun 2 |
 | Mode filter |
 | Frequency filter |
 | Frequency filter, high-pass |
 | Frequency filter, low-pass |
 | Frequency filter, band-pass |
 | Frequency filter, band-stop |
 | Phase shifter (matched) |
 | Ferrite bead ring |
 | Line stretcher, male |
 | Line stretcher, female |
 | Maser |
 | Maser, amplifier |
 | Laser |
 | Laser, generator |
 | Ruby laser |
 | Ruby 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
NINE RELATED HOW TO's:
Digital electronics or digital (electronic) circuits are electronics that handle digital signals – discrete bands of analog levels – rather than by continuous ranges (as used in analogue electronics). All levels within a band of values represent the same numeric value. Because of this discretization, relatively small changes to the analog signal levels due to manufacturing tolerance, signal attenuation or parasitic noise do not leave the discrete envelope, and as a result are ignored by signal state sensing circuitry.
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.
Picture: Electrical Symbols — Analog and Digital Logic
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Invented in 1904 by John Ambrose Fleming, vacuum tubes were a basic component for electronics throughout the first half of the twentieth century, which saw the diffusion of radio, television, radar, sound reinforcement, sound recording and reproduction, large telephone networks, analog and digital computers, and industrial process control. From the mid-1950s solid-state devices such as transistors gradually replaced tubes. However, there are still a few applications for which tubes are preferred to semiconductors; for example, the magnetron used in microwave ovens, and certain high-frequency amplifiers.
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.
Picture: Electrical Symbols — Electron Tubes
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This sample shows the OMT method. It was created in ConceptDraw DIAGRAM diagramming and vector drawing software using the Rapid UML Solution from the Software Development area of ConceptDraw Solution Park.
All diagrams produced with ConceptDraw DIAGRAM are vector graphic documents and are available for reviewing, modifying, and converting to a variety of formats (image, HTML, PDF file, MS PowerPoint Presentation, Adobe Flash or MS Visio XML).
Picture: OMT Method
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Use ConceptDraw DIAGRAM software as powerful electrical engineering software and apply switches and relays electrical symbols in ✔️ electrical circuit diagrams, ✔️ electrical drawings, ✔️ electrical schematics, ✔️ wiring diagrams, ✔️ electrical blueprints
Picture: Electrical Symbols — Switches and Relays
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S-Video is a signaling standard for standard definition video. ConceptDraw DIAGRAM diagramming and vector drawing software extended with Audio and Video Connectors Solution from the Industrial Engineering Area can be helpful for demostrating and explaining the S Video connection which is widely used on TVs and home theater receivers.
Picture: S Video Connection
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Picture: Gantt Chart Software
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Picture: Electrical Symbols — Transformers and Windings
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Picture:
Importance of House Electrical Plans.
How to Create Electrical Layouts
with ConceptDraw DIAGRAM App
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While creating flowcharts and process flow diagrams, you should use special objects to define different statements, so anyone aware of flowcharts can get your scheme right. There is a short and an extended list of basic flowchart symbols and their meaning. Basic flowchart symbols include terminator objects, rectangles for describing steps of a process, diamonds representing appearing conditions and questions and parallelograms to show incoming data.
This diagram gives a general review of the standard symbols that are used when creating flowcharts and process flow diagrams. The practice of using a set of standard flowchart symbols was admitted in order to make flowcharts and other process flow diagrams created by any person properly understandable by other people. The flowchart symbols depict different kinds of actions and phases in a process. The sequence of the actions, and the relationships between them are shown by special lines and arrows. There are a large number of flowchart symbols. Which of them can be used in the particular diagram depends on its type. For instance, some symbols used in data flow diagrams usually are not used in the process flowcharts. Business process system use exactly these flowchart symbols.
Picture: Flowchart Symbols: Meaning and Examples
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. 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.
