[Hammarlund] HQ-129X - more. Product Detector

[Ken]

Yes. I most certainly can, but I'll have to wait until I can get to my computer.Standby.Ken W7EKBSent via my Samsung Galaxy, an AT&T 4G LTE smartphone
-------- Original message --------From: Mark Dinsmore <markdinsmore at gmail.com> Date: 5/29/19  22:10  (GMT-08:00) To: "Kenneth G. Gordon" <kgordon2006 at frontier.com> Cc: Hammarlund at mailman.qth.net Subject: Re: [Hammarlund] HQ-129X - more. Product Detector Hi Ken. I would like to create an external product detector for my HQ-150. I assume it would be similar to what you would create for the 129x. Can you recommend a good place, resources to get started?Mark K7MDSent from my iPhone> On May 29, 2019, at 1:05 PM, Kenneth G. Gordon <kgordon2006 at frontier.com> wrote:> > Another upgrade I intend to do to my own HQ-129X is the install a real product-detector.> > When I did this many years ago to my BC-779, I was amazed at how much quieter and > apparently more sensitive that receiver became. It literally blew me away at how much > better the receiver worked.> > I used the circuit which Heathkit uses in their SB rigs, a single-triode unit, which, it also > turned out, demodulates AM just fine too with the BFO off.> > At that point, I became a very firm believer in upgrading our older receivers with a GOOD > PD.> > Ken W7EKB> ______________________________________________________________> Hammarlund mailing list> Home: http://mailman.qth.net/mailman/listinfo/hammarlund> Help: http://mailman.qth.net/mmfaq.htm> Post: mailto:Hammarlund at mailman.qth.net> > List Administrator: Gary Harmon, K5JWK> ** For Assistance: gharmon at idworld.net **> > > This list hosted by: http://www.qsl.net> Please help support this email list: http://www.qsl.net/donate.html