[Boatanchors] DX-40/VF-1
KA2PTE
ka2pte at 3950.net
Fri Mar 4 20:19:49 EST 2022
I had one of those when I was a novice in 1983. Used it for CW only with a
DX-60 and it was great.
How good is it for ssb? Does it drift alot, or fairly stable after warmup?
--
Steve Hearns [ KA2PTE ]
----- Original Message -----
From: "Dale Parfitt" <parinc1 at frontier.com>
To: "'howard holden'" <holden7471 at msn.com>; "'JAMES HANLON'"
<knjhanlon at msn.com>; <boatanchors at mailman.qth.net>
Sent: Friday, March 04, 2022 7:15 PM
Subject: Re: [Boatanchors] DX-40/VF-1
> It has been many years since I had my DX-40 and the VF-1. But back in the
> day, I tried other VFO's (the Knight comes to mind) and the VF-1 was the
> best. It is simple to solid state the regulator section for better
> regulation if that is an issue, but I would not sacrifice a VF-1 just to
> make it solid state. As others have commented, try it 1st, then if you
> still feel you need more stability, build a stand-alone digital VFO and
> the requisite amplifier to reach the required drive level.
> That wonderful green dial face of the VF-1 haunts me (in a good way)
> today.
>
> Dale W4OP
>
> -----Original Message-----
> From: boatanchors-bounces at mailman.qth.net
> [mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of howard holden
> Sent: Friday, March 4, 2022 6:44 PM
> To: JAMES HANLON; boatanchors at mailman.qth.net
> Subject: Re: [Boatanchors] DX-40/VF-1
>
> I'll third that! I picked up a VF-1 that had been solid stated (not
> working)
> and I'm going to go back to the tube version.
>
> 73, Howie WB2AWQ Reno NV
>
> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows
>
> From: JAMES HANLON<mailto:knjhanlon at msn.com>
> Sent: Friday, March 4, 2022 3:14 PM
> To: boatanchors at mailman.qth.net<mailto:boatanchors at mailman.qth.net>
> Subject: Re: [Boatanchors] DX-40/VF-1
>
> Dave,
> I agree with Rod, K0EQH, use the VF-1 as is with the DX-40, or at the very
> least give it a good try before you mess with it. I have two VF-1s on the
> air, one driving a Viking II and the other a Heath AT-1 with the Lew McCoy
> conversion. Both work very well, no chirp or click and quite sufficiently
> stable. I have a couple of Johnson 122 vfos driving a Viking I and an
> Adventurer, and they have noticeably more drift than the VF-1, as does the
> vfo in my Johnson Valiant. Heath also used the vf-1 in the DX-100, and
> mine
> is more stable than the Johnson 122/Viking combination. Also, the DX-40
> will probably need 10 volts or more out of a vfo to drive it properly, and
> you may have to work a bit to get that much voltage out of a solid-state
> conversion.
> Jim, W8KGI
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