All it takes to have a robust 2nd harmonic is something non-linear in the circuitry using the 3.579 MHz color burst frequency. Consider the difference frequency between the fundamental and the third harmonic such a non-linear device would produce.
Ron AC7AC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
