Hi Gary, C327 should be a 100 pf SM cap. The SM cap gives the tuned circuit a higher Q.
Regards, Larry On Wed, Apr 3, 2024 at 4:16 PM <[email protected]> wrote: > Jacques, > > Thanks. What should the value be for C327? > > I am going to order some SM caps to replace mine and see if that helps. > > Regards, > > -----Original Message----- > From: [email protected] <[email protected]> On > Behalf Of Jacques Fortin > Sent: Wednesday, April 3, 2024 2:20 PM > To: 'Jordan Arndt' <[email protected]>; 'Larry H' <[email protected]>; > 'Collins R-390 HF Receiver List' <[email protected]> > Subject: Re: [R-390] Tracking down low sensitivity 0 to 8 mhz problem > Importance: High > > AH ! > I warned you about the ceramic caps before. > This is not a value or insulation problem. > It's a DIELECTRIC LOSSES problem ! > I'm 100% sure that your original trouble came from that "ceramic" C327 > fitted there. > > 73, Jacques, VE2JFE in Montreal > > ______________________________________________________________ > R-390 mailing list > Home: http://mailman.qth.net/mailman/listinfo/r-390 > 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 > > ______________________________________________________________ R-390 mailing list Home: http://mailman.qth.net/mailman/listinfo/r-390 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
