Electronics World articles Popular Electronics articles QST articles Radio & TV News articles Radio-Craft articles Radio-Electronics articles Short Wave Craft articles Wireless World articles Google Search of RF Cafe website Sitemap Electronics Equations Mathematics Equations Equations physics Manufacturers & distributors Engineer Jobs LinkedIn Crosswords Engineering Humor Kirt's Cogitations RF Engineering Quizzes Notable Quotes Calculators Education Engineering Magazine Articles Engineering software RF Cafe Archives Advertising Magazine Sponsor RF Cafe Sponsor Links Saturday Evening Post NEETS EW Radar Handbook Microwave Museum About RF Cafe Aegis Power Systems Alliance Test Equipment Centric RF Empower RF ISOTEC Reactel RF Connector Technology San Francisco Circuits Anritsu Amplifier Solutions Anatech Electronics Axiom Test Equipment Berkeley Nucleonics Conduct RF Copper Mountain Technologies everything RF Exodus Advanced Communications Innovative Power Products KR Filters LadyBug Technologies Lotus Systems PCB Directory Rigol Temwell RF Components TotalTemp Technologies Werbel Microwave Windfreak Technologies Wireless Telecom Group Withwave Sponsorship Rates RF Cafe Software Resources Vintage Magazines RF Cafe Software RF Cafe Sponsor Links WhoIs entry for RF Cafe.com Thank you for visiting RF Cafe!
Lotus Communications Systems RF Components - RF Cafe

Boonton

Temwell (RF components)

Please Support RF Cafe by purchasing my  ridiculously low−priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench  (shareware)

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

withwave microwave devices - RF Cafe

Ultrasonic Frequency Spectrum - Definitions and Applications

Ultrasonic waves have a wide range of applications in various fields, including:

  • Medicine: Ultrasonic imaging, such as ultrasound scans, is used for medical diagnostics. It allows doctors to visualize internal organs and tissues in real-time without the need for invasive procedures.
  • Industrial Testing: Ultrasonic testing is employed to inspect materials and structures for defects. It can detect flaws in welds, assess the integrity of pipelines, and more.
  • Cleaning: Ultrasonic cleaners use high-frequency sound waves to remove contaminants from objects like jewelry, lenses, and electronic components.
  • Pest Control: Ultrasonic pest repellent devices emit high-frequency sound waves to deter rodents and insects.
  • Navigation: Some animals, such as bats and dolphins, use ultrasonic echolocation for navigation and locating prey. Electronic depth finders also use ultrasonics.

Ultrasonic Frequency Spectrum - Definitions and Applications - RF CafeThe ultrasonic frequency spectrum refers to a range of sound frequencies that are above the upper limit of human hearing, which is typically considered to be around 20,000 hertz (Hz). Ultrasonic frequencies start above this threshold and extend into the megahertz (MHz) range. Ultrasonic waves are characterized by their high frequency and short wavelength compared to audible sound waves. Ultrasonic frequencies generally start at around 20,000 Hz (20 kHz) and can extend up to several gigahertz (GHz). The specific range considered "ultrasonic" can vary depending on the context and application.

Ultrasonic waves have much shorter wavelengths than audible sound waves. This property allows them to be used for precise measurements and imaging, as they can interact with small objects and features. Ultrasonic waves can be transmitted through various media, including air, water, and solids. The propagation speed and attenuation (weakening of the wave) depend on the specific medium. While ultrasonic waves are generally safe for most applications, it's important to be cautious when working with high-intensity ultrasonic sources, as they can generate heat and cause tissue damage. The effectiveness of ultrasonic waves can be limited by factors such as absorption, scattering, and interference, depending on the application and the medium through which they travel.

Application 0 Hz 10 Hz 100 Hz 1 kHz 10 kHz 18 kHz 50 kHz 100 kHz 200 kHz 1 MHz 10 MHz 20 MHz 100 MHz
Oil Well Drilling                      
Brazing                        
Thickness Gauging                  
Chemical Processing              
Cleaning                
Degassing                  
Flaw Detection            
Degreasing                
Welding                      
Dispersing              
Flow Metering              
Electroplating                  
Sonar              
Impregnating              
Liquid Gauging                  
Pickling                  
Shake Table                      
Coagulating                    
Emulsifying                  
Medical                      
Remote Control                        
Precipitators                    
Plastic Welding                        
Therapy                      
Machining                          
Soldering                        
  Infra-

sonic

Sonic Ultrasonic

 

 

Posted September 14, 2023
(updated from original post on 9/11/2009)

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:

AirplanesAndRockets.com

Anritsu Test Equipment - RF Cafe

ConductRF Phased Matched RF Cables - RF Cafe

RF Electronics Shapes, Stencils for Office, Visio by RF Cafe