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Ultrasonic Frequency Spectrum

Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, it is approximately 20 kilohertz (20,000 hertz) in healthy, young adults and thus, 20 kHz serves as a useful lower limit in describing ultrasound. The production of ultrasound is used in many different fields, typically to penetrate a medium and measure the reflection signature or supply focused energy. The reflection signature can reveal details about the inner structure of the medium. The most well known application of this technique is its use in sonography to produce pictures of fetuses in the human womb. There are a vast number of other applications as well. - Wikipedia







Application0 Hz10 Hz100 Hz1 kHz10 kHz18 kHz50 kHz100 kHz200 kHz1 MHz10 MHz20 MHz100 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
SonicUltrasonic


RF Cafe Software

RF Cascade Workbook
RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
RF system analysis including
frequency conversion & filters

Smith Chart™ for Excel
Smith Chart™ for Visio
RF & EE Symbols Word
RF Stencils for Visio

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