6146 Replacement

[gkb]

I had a similar problem and found the loading cap to be defective. On this
particular cap there was an adjusting screw in the rear that adjusted the
rotor plates so they would not touch. Well, it backed of and as you brought
up the loading, the plates started to touch.
Regards,
Gary...WZ1M
----- Original Message ----- 
From: "Wilson Lamb" <infomet at MINDSPRING.COM>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Friday, August 25, 2006 5:17 PM
Subject: Re: 6146 Replacement


> How high does the Ip go when way out of resonance?
> It sounds like the load may be defective.
> Wilson
> ----- Original Message ----- 
> From: "Davies, Doug A FOR:EX" <Doug.Davies at GOV.BC.CA>
> To: <HEATH at LISTSERV.TEMPE.GOV>
> Sent: Friday, August 25, 2006 2:55 PM
> Subject: 6146 Replacement
>
>
> I'm currently working on fixing up a Heathkit DX-40 transmitter.  When
> dipping the plate and peaking the grid current into a dummy load I can
> only get about 55ma out of the 6146 final.  The manual says it should
> show 125ma when properly tuned.  With each increase in loading the plate
> current starts at a higher level but than drops down to 55ma.  I checked
> the 6146 and it appears to be faulty.  I would like to replace it but
> I'm not sure which of the 6146 variants to use.  I checked a few sources
> on the net and I couldn't find any plain 6146's, just the A, B, or W
> variants.  Which one will cross over?
>
> Doug  VE7DRF
>
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