[Mldxcc] Heathkit SB 223 Mod... need a few parts... Silver micas

Pat Barthelow aa6eg at hotmail.com
Wed Jan 25 10:37:56 PST 2012





Friends,

I am doing a repair on an SB 221, received here  (Auburn)  with a partially done 10   meter modification.   Looking for  some silver mica Capacitors      2 ea  22pf  @ ~ 600v.  and   one ea 115 pf, SM  ~600V   The Silver micas are needed in a time squeeze otherwise I would just order   them.   Also, much less time pressure; a set of PS supply caps  8 ea, 270 uF ,    500V   These have a matching OD to the ID of the plastic capacitor carriers on the   Heathkit.   A snug fit in OD/ID Carriers but much shorter in length.   If you don't   match these ID/OD  a reinstall/redesign package gets messy.   Digikey P/N  (ca. 2005)   ECO S2HPO271EA   I can get them from Digi Key   but  want to check local first, in case   someone has a set.   The Caps are to be used  for a Drake L-4B.  I had some for the L-4  but   used those  to hustle the Heathkit, out, back to making heat.
   Anyone near Auburn /Sacto are have some, anyone need anything?   I have   lots of RF stuff but not these SM s. 

Also, anyone have expertise and equipment to tweak some TV transmitter amp boards   ( several varieties, about 20 boards with Heat sinks;   100 watts to 600 watts out
from 470 mhz to 432?     I want to learn how to do that, and will trade for services...  Here is what I have:

https://skydrive.live.com/?cid=2eb5c45df634a712#cid=2EB5C45DF634A712&id=2EB5C45DF634A712%21686 

All the Best, 
Pat Barthelow,   

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