[MRCG] SCR-522 xtals
boatanchor at martasystems.com
boatanchor at martasystems.com
Sun Jan 19 14:04:23 EST 2014
Hi Chuck -
When you get a chance, could you measure the B+ on your RA-62 with no load ?
After getting mine working (recapped, replaced bad bleeder, etc) my no-load
voltage is +465 volts with the power switch in the 125 position. The bias is
spot on at -150, and the filaments seem ok at +14. For comparison, my
dynamotor no-load B+ is 300 v, about what it's supposed to be... hmmm.
Thanks
John WB6AZP
-----Original Message-----
From: Chuck McClurg
Sent: Sunday, January 19, 2014 17:17
To: West Coast Military Radio Collectors Group
Subject: Re: [MRCG] SCR-522 xtals
Well after looking for a Receive crystal with no luck I am open to the best
method to "grind" one of the ones I have up to the correct frequency.
What is the best way to go with trying this? I have trolled the internet
and found a couple of ideas but wanted to ask if anyone has tried any of
them with any
sucess.
Any ideas welcome.............................
Chuck
N7UVZ
----- Original Message -----
From: "Chuck McClurg" <j-mcclurg at sbcglobal.net>
To: "West Coast Military Radio Collectors Group" <mrcg at mailman.qth.net>
Sent: Friday, January 17, 2014 2:55 PM
Subject: Re: [MRCG] SCR-522 xtals
> Group:
>
> Well after going through 267 crystals and calculating every which way
> (Thank God for Excell!) I find I have ONE transmit crystal for 144.45 Mcs
> but no receriver crystal.....:-(
>
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