[Johnson] 866 / Solid state rectifiers

Thu, 21 Feb 2002 14:26:20 -0800

	Hi, Cal.
	Nice post.
	Valiant here still FB.
	Howya'doin'?
	(((((73)))))
	Les
	Menlo Park

Cal Eustaquio wrote:
> 
> Hi:
> I tend to disagree with the 3B28's substitution. I know many who will
> disagree on this but that's fine. This is what this forum is all
> about.
> 
> There have been some problems associated with the gas tubes (866's).
> I understand that. I also have seen the 5v tap burnt out on some of
> these Valiants or had reports of this happening. Subsequently, I
> changed out the 3B28's on a Valiant II with the s/s 866's. Quite
> frankly, the change from tube to s/s diode makes sense. You unload
> the power transformer of 5 volts times whatever current it takes to
> run two 3B28's on that filament not to mention that h.v. path the
> 3B28 is running. This is not to say many have run the 3B28's without
> fail for many years and get irritated with my assertion. Bottom line
> is: YMMV. I just chose the "preemptive strike" approach to prevent a
> failure my xfmr.
> 
> IMHO
> Cal, N6KYR.
> 
> ---- Original Message ----
> From: [email protected]
> To: [email protected]
> Subject: Re: [Johnson] 866 / Solid state rectifiers
> Date: Thu, 21 Feb 2002 11:40:13 -0800
> 
> >What is a 3B28 and where do you buy them?
> >
> >Bob Luce W9EFK
> >-----Original Message-----
> >From: anthony deprato <[email protected]>
> >To: [email protected] <[email protected]>
> >Date: Thursday, February 21, 2002 9:34 AM
> >Subject: Re: [Johnson] 866 / Solid state rectifiers
> >
> >
> >>thr 3b28's they work just as well and no warm up time
> >>have them in both my Valiant and Thunderbolt
> >>73 tony
> >>
> >>At 04:31 PM 2/20/2002 -0600, you wrote:
> >>>Does someone make solid-state, plug-in replacements for the 866's
> >in my
> >>>Valiant? Tks.
> >>>
> >>>73 de Mike, N9BOR
> >>>FISTS MAC SMC ZUT
> >>>http://www.qsl.net/n9bor
> >>>MAC http://www.qsl.net/mac
> >>>
> >>>di dah dit - The only Roger Beep you'll ever need.
> >>>My designated driver is a 12BY7A.
> >>>
> >>>
> >>>_______________________________________________
> >>>Johnson mailing list
> >>>[email protected]
> >>>http://mailman.qth.net/mailman/listinfo/johnson
> >>
> >>ANTHONY W. (Tony) DePrato WA4JQS
> >>CALLS HELD:
> >>WA4JQS/ZS1, WA4JQS/KC4, WA4JQS/4K1
> >>ZD8JQS, V31SS,
> >>VP8BZL, VP8SSI, 3Y0PI
> >>
> >>_______________________________________________
> >>Johnson mailing list
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> >>http://mailman.qth.net/mailman/listinfo/johnson
> >
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> 
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