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A Simple Harmonic Generator.
Copied for interest from another newsgroup.
The performance of a single-transistor pulse (harmonic)-generator is covered in program HARM_GEN now available from website below in a few seconds. Easy to run. The manner in which the amplitude of the harmonics 1 to 30 vary with frequency and with operating angle (pulse width) are shown. In general, with a very short pulse width, as the harmonic number increases, the harmonic output level falls fairly slowly and uniformly. But as pulse width (operating angle) increases then some harmonics almost disappear from the spectrum. The program displays harmonic levels in decibels. Fourier, that great French mathematician/philosopher wuz right! I think he missed the tumbril and Madame guillotine. Download program HARM_GEN now. It might be useful one day. ---- .................................................. .......... Regards from Reg, G4FGQ For Free Radio Design Software go to http://www.btinternet.com/~g4fgq.regp .................................................. .......... |
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