Thanks Dave... thats exactly what I need. D ... From: davidpnewkirk <david.newkirk@...> To: regenrx@yahoogroups.com Cc: Sent: Tuesday, July 24, 2012...
15289
davidpnewkirk
Jul 24, 2012 6:00 am
... Yes, and to a degree one can synthesize a dual-gate FET by cascoding two JFETs. Hayward, Campbell, and Larkin's _Experimental Methods in RF Design_...
15290
Michael
bty49514
Jul 24, 2012 6:09 am
... From: Leslie ... Michael, As background to a question, what is the configuration you assume. I assume cascode, in my question below . I built a number of...
15291
dayleedwards88
Jul 24, 2012 9:48 am
Earlier today I had a visit from a young local chap, he brought round his home made radio to show me. I was absolutely impressed with his initiative and...
15292
Michael
bty49514
Jul 24, 2012 10:10 am
A moving story, reminiscent of early days for many of us! My first was a regen with a wire-ended valve. I mounted the terminals neatly on the plywood base, but...
15293
Dayle Edwards
dayleedwards88
Jul 24, 2012 10:44 am
Yes, a multimeter i will add into the box of goodies... Micheal, thank you, I hadnt thought of that.. Yes, I listen to hams periodically, and wonder at the...
15294
dayleedwards88
Jul 24, 2012 11:50 am
Thanks Derward, I very seldom hear of it either. I think its a fairly old concept, and I seem to remember it was used even in the old Kelvin Hughes radar sets...
15295
astro boy
ell_magic
Jul 24, 2012 11:59 am
Dave ,, http://www.wa0itp.com/audiolimiter.pdf I'd also like to see the cct of an old Navy Beam audio filter That would be interesting . Cheers.. ...
15296
astro boy
ell_magic
Jul 24, 2012 1:15 pm
Yes Des..  an Les... an Dave .. Please,, even if send to my email addy ,so not to block up the group postings ....?? should you think of anything...
15297
PBlakey
Jul 24, 2012 1:40 pm
The subharmonic mixer is widely used in ham radio applications - but under a different name. It is referred to as a 'Polyakov39; mixer, after the very innovative...
15298
Larry Beaty
beatysmills
Jul 24, 2012 4:13 pm
Awesome story! Sure brings back memories. But you never gave credit to the young man's name. We need to watch for his name in the future. Larry From:...
15299
thb201
Jul 24, 2012 6:49 pm
... Oh, I don't know how true this is. I've been hearing for years about the demise of ham radio and it hasn't happened. It's not even in decline. This...
15300
Michael
bty49514
Jul 24, 2012 7:43 pm
John, in a former life I used to mark essays. You get a top grade! I guess there is no reliable record of how many this and that side of The Pond, north and...
15301
Leonard Meek
leonardmeek
Jul 24, 2012 9:28 pm
Don't know about Hams. I grew up in a non-ham community. Most of my cousins and uncles and some neighbors dabbled in radio, but they weren't hams. The war...
15302
Michael
bty49514
Jul 24, 2012 10:16 pm
I am sure all our stories would make for an interesting book! After 1945, my father had access to confiscated German equipment, so I learned a lot...
15303
Gary
wd4nka
Jul 24, 2012 10:45 pm
I like the 'snip ' method as well, but alas, hard to do with a Kindle Fire. (Sigh) I miss reading stories like this. Wow, kids are still making their grid...
15304
Dave McGuire
mcguireatneu...
Jul 24, 2012 10:47 pm
Hi folks! I joined not long ago. I've read the traffic on this list with great interest over the past few weeks and I wanted to introduce myself. I'm an...
15305
Gary
wd4nka
Jul 24, 2012 10:52 pm
Welcome to the group, Dave. I would be a little lengthier myself, but I am sorta on the fly, doing the net - tablet thing. -gary / wd4nka...
15306
dayleedwards88
Jul 25, 2012 1:03 am
... Yes, I was tickled by this pencil line resistor as well. Another plus for hollow state, its forgiving nature. Really, one could ask, just how much further...
15307
kyoritsu
Jul 25, 2012 4:05 am
Yes, exactly so. The simpler the design, the more operator skill required, the more interesting and satisfying it becomes to actually hear something. That is...
15308
Leonard Meek
leonardmeek
Jul 25, 2012 4:54 am
Actually, I have more fun building radios than operating them, and that's partly, as Rob says, because there's less and less to listen to. It is interesting,...
15309
dayleedwards88
Jul 25, 2012 12:16 pm
Sorry Larry, I missed you there.....I am organising the lad a computer, and a dialup connection, so Ill let you know. His mother is a bit worried about the...
15310
dayleedwards88
Jul 25, 2012 12:40 pm
Maybe though, with larger and more frequent unused gaps in the spectrum space, maybe they will allocate a few bands for "hobby" use, without the draconian...
15311
Dave McGuire
mcguireatneu...
Jul 25, 2012 2:22 pm
... (please forgive me for jumping in) I enjoy simpler gear as well, but to assert that these monster rigs that are available today isn't interesting or...
15312
Dave McGuire
mcguireatneu...
Jul 25, 2012 2:22 pm
... Thanks! Certainly understandable. I ran through about half of the calibration procedure on my HP RF network analyzer today; it hadn't been powered up in a...
15313
Dave McGuire
mcguireatneu...
Jul 25, 2012 2:22 pm
... This sounds more like the phenomenon known as "injection locking". Are you familiar with it? -Dave -- Dave McGuire, AK4HZ New Kensington, PA...
15314
lawrence859344
Jul 25, 2012 7:16 pm
I am not an expert by any means but I also noticed that with my regenerodyne receiver if tuned to a strongish broadcast signal and the regen advanced well into...
15315
Gary
wd4nka
Jul 25, 2012 8:35 pm
Dave, I find two basic perspectives out there, and both are, of course, valid. One I call the "motorboat " perspective and one, the "sailboat " perspective....
15316
Dave McGuire
mcguireatneu...
Jul 25, 2012 9:00 pm
... I agree 100%. I (personally) see value in both approaches because I enjoy both very much, depending on what mood I'm in. There's still plenty of talent...
15317
dayleedwards88
Jul 25, 2012 11:12 pm
It seems one prerequisite for being a regen nut is having the name of "Dave", there are many on here it seems!! hello Dave, Im a new member too. Its very...