Transcription of A Tutorial on the Decibel
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A Tutorial on the Decibel
A Tutorial on the Decibel Version Page 1 of 8 A Tutorial on the Decibel This t u t o r ia l c o m b i n es in fo r ma t io n from several a u t ho r s, i n cl u d i ng B o b DeVa r n ey, W 1 ICW; Wa l t er Ba h nz a f, WB 1A NE ; a n d Ward S i lv er, N AX Decibels are part of many questions in the question pools for all three Amateur Radio license classes and are widely used throughout radio and electronics. This Tutorial provides background information on the Decibel and instructions for performing calculations involving decibels. The Quick Explanation The Decibel (dB) is a ratio of two power values.
A Tutorial on the Decibel Version 2.1 Page 2 of 8 Uses of Decibels Sound intensity or sound pressure level (SPL) is also specified in dB.In this case, the reference level of 0 dB corresponds to a pressure of 0.0002 microbars which is the standard
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