It’s not the best idea to use RF filtering to limit audio bandwidth. Sent from my iPhone
> On Dec 9, 2018, at 17:43, Grant Youngman <[email protected]> wrote: > > I don’t think the AM transmit bandwidth relies on the filter to set its > limits. Even with the 13KHz filter, bandwidth is limited by the DSP. The > option to use the 13KHz filter was, as I recall, a change made by Elecraft > quite some time ago. While there are many opinions, there is no bandwidth > specified by 97.101(a), and at its worse, it’s tighter than most of the > vintage and other modern AM gear in use legally on the amateur bands. > > Grant NQ5T > K3 #2091 KX3 #8342 > >> On Dec 9, 2018, at 8:26 PM, Bob McGraw K4TAX <[email protected]> wrote: >> >> Yes true, however I don't suggest using the 13 kHz filter for AM transmit in >> view of transmit bandwidth considerations. The 6 kHz filter is more >> appropriate and thus does limit the transmit bandwidth to the required >> limits of the regulations. 97.101(a) >> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
