Re: DX-60B audio circuit levels
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Interesting about the hum. I noticed a bit of hum after applying the
WA1QIX mods to mine and grounding the chassis, but adding some extra filter
capacita...
2 hours ago
More like does anybody have the service manuals for one or did Heath make one?
ReplyDeleteOH2FTG:
ReplyDeletetry: http://userequip.com/manuals/26/Maintenance-SAUNDERS-150C-4655.html
not super clear but better than nothing
Thanks!
DeleteGood old style service manual with theory of operation.
This comment has been removed by the author.
ReplyDeletehttp://userequip.com/files/specs/4655/SAUNDERS%20150C%20Maintenance.pdf
ReplyDeleteYou can build a PHSNA (Poor Ham's Scalar Network Analyzer), and in addition to sweeping and plotting filters, checking SWR, etc., you can also characterize crystals. Farhan has built one (http://www.hfsignals.org/index.php/Scalar_Network_Analyzer)-- what better endorsement do you need? ;-)
ReplyDelete