The K3 RF board will still need the new capacitor even if you're installing a KPBF3A (which has the LF mods already).
This will be made clear in an upcoming errata for the KBPF3A manual. Wayne N6KR ---- http://www.elecraft.com > On Jun 25, 2015, at 11:32 AM, "Dauer, Edward" <eda...@law.du.edu> wrote: > > A further question about this . . . Having just read the installation > instructions for both the KBPF3A and for the mod kit for the old KBPF3, I > note one difference. The mod kit requires SM work on both the existing > KBPF board and soldering on the RF board itself. The new KBPF3A > instructions make no mention of any changes to the RF board. Does that > mean that by replacing the KBPF3 entirely there is no need to also modify > the RF board? If that is so it reduces the surgical risk considerably. > Or maybe I missed something in the instructions? > > Thanks, to whomever might be able to set me straight on this . . . > > Ted, KN1CBR > > > > >> On 6/25/15, 10:11 AM, "Dauer, Edward" <eda...@law.du.edu> wrote: >> >> So, just to be sure I have this right: >> >> If I have the NEW KSYN3A synth in an old K3, and if I still have the OLD >> KXV3A, then replacing the KBPF3A with the NEW KBPF3B will give me all of >> the enhanced performance available on 100 - 500 Khz? >> >> I am thinking of replacing the KBPF3 rather than doing the mod on the old >> one because I have never done surface mount work and in my dotage can¹t >> trust myself not to make a mess of it; and because shipping the K3 back to >> the factory for the mod may not be worthwhile compared to just replacing >> the bandpass filter . . . . due to the down-time. >> >> Izzat right, that replacing the bandpass filter now will do it all? >> >> Thanks, >> >> Ted, KN1CBR >> >> >>> Message: 27 >>> Date: Wed, 24 Jun 2015 23:23:05 -0500 >>> From: Michael Eberle <mtebe...@mchsi.com> >>> To: elecraft@mailman.qth.net >>> Subject: Re: [Elecraft] KBPF3 upgrade kit and instructions now >>> available >>> Message-ID: <558b8229.1070...@mchsi.com> >>> Content-Type: text/plain; charset=windows-1252; format=flowed >>> >>> >>> Will new orders for the KBPF3 have the modification already done or >>> would one need to purchase both the KBPF3 and the KBPF3MDKT if they >>> wanted to receive 100-500 kHz? >>> >>> Mike >>> KI0HA >>> >>>> On 6/24/2015 7:42 PM, Wayne Burdick wrote: >>>> Hi all, >>>> >>>> The long-promised KBPF3 modification kit is now available. It applies >>>> to the KBPF3, K3 RF board, and optionally to the KRX3 sub receiver. It >>>> allows the K3 or K3S to receive signals in the 100-500 kHz range with >>>> good sensitivity. This is an interesting part of the spectrum, with >>>> >>>> For full detailms on the mod kit, see: >>>> >>>> http://www.elecraft.com/order_form_parts.htm#K3%20Parts >>>> >>>> Also see below for an excerpt from my original posting about signals in >>>> the 100-500 kHz range. >>>> >>>> 73, >>>> Wayne >>>> N6KR >> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
