Re: [AMRadio] Re: Screen Modulated 813

2006-12-16 Thread Bob Bruhns
Thanks, Larry Bacon, WA3WDR > Great stuff, Bacon! > > Thanks... > -Larry/NE1S __ AMRadio mailing list List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/mmfa

Re: [AMRadio] Re: Screen Modulated 813

2006-12-14 Thread Larry Szendrei
Great stuff, Bacon! Thanks... -Larry/NE1S Bob Bruhns wrote: >(a ton of great stuff) __ AMRadio mailing list List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/

Re: [AMRadio] Re: Screen Modulated 813

2006-12-12 Thread Bob Bruhns
The maximum voice asymmetry possible without distortion is about 2:1. Wityh 100% negative modulation, that would correspond to 200% positive modulation. So you could have a good sounding station with 100% negative and 200% modulation. Unless people are going to listen with product detectors, tha

RE: [AMRadio] Re: Screen Modulated 813

2006-12-12 Thread Brett gazdzinski
... Brett N2DTS > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of ne1s > Sent: Tuesday, December 12, 2006 2:55 PM > To: [EMAIL PROTECTED]; Discussion of AM Radio in the Amateur Service > Subject: [AMRadio] Re: Screen Modulated 81

[AMRadio] Re: Screen Modulated 813

2006-12-12 Thread ne1s
Bry Carling writes: Lary - I was talking about the kind of set-up with the 6DE7 that produces a SMALL carrier of say 6 or 8 watts and then does 90 watts p.e.p. on the voice peaks. Right - that is the question I addressed. I may be nuts, but my empirical sense tells me that is far more impre

Re: [AMRadio] Re: Screen Modulated 813

2006-12-11 Thread Bry Carling
Lary - I was talking about the kind of set-up with the 6DE7 that produces a SMALL carrier of say 6 or 8 watts and then does 90 watts p.e.p. on the voice peaks. I may be nuts, but my empirical sense tells me that is far more impressive sounding in the receiver n the other end than the signal fro

Re: [AMRadio] Re: Screen Modulated 813

2006-12-11 Thread John Lawson
On Mon, 11 Dec 2006, ne1s wrote: It's also why it's used to "encrust" tweezers ;>) Perhaps you can also tell me why dennilfloss bushes will grow in Montana - but do so badly here in NoNev? Of course I could always *move* to Montana Cheers and Best of the Season John KB6SCO Pyg

[AMRadio] Re: Screen Modulated 813

2006-12-11 Thread ne1s
david knepper writes: Zirconium getters best at about 1000 degrees C, this why large metal anode transmitting tubes like the 4-400A, 4-1000A, and 3-500 must be operated with a dull red to red anode color. It's also why it's used to "encrust" tweezers ;>) -Larry/NE1S ___

[AMRadio] Re: Screen Modulated 813

2006-12-11 Thread ne1s
Bry Carling writes: DX-60 followed by an 813 RF linear or SB200. Versus: 813 screen modulated final using the same method that sets the quiescent carrier level at about 10% of peak signal. Which would be more efficient? It's my understanding that from a 1st order analysis (ignoring