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Monday, March 5, 2018

Great Video on Crystal Motional Parameter Measurement


Who out there can save us from further Dishal distress?  Who has one of these fantastic bits of old test gear and is willing to donate it to the cause of accurate filter building?  

 Thanks to Tore LB4RG for alerting us to this gem.  
at 5:32 AM
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6 comments:

  1. oh2ftgMarch 6, 2018 at 3:32 AM

    More like does anybody have the service manuals for one or did Heath make one?

    ReplyDelete
  2. AnonymousMarch 6, 2018 at 8:18 AM

    OH2FTG:

    try: http://userequip.com/manuals/26/Maintenance-SAUNDERS-150C-4655.html

    not super clear but better than nothing

    ReplyDelete
    Replies
    1. oh2ftgMarch 7, 2018 at 3:47 AM

      Thanks!
      Good old style service manual with theory of operation.

      Delete
  3. ZulurootMarch 14, 2018 at 7:43 AM

    This comment has been removed by the author.

    ReplyDelete
  4. ZulurootMarch 14, 2018 at 7:48 AM

    http://userequip.com/files/specs/4655/SAUNDERS%20150C%20Maintenance.pdf

    ReplyDelete
  5. fire5ignApril 10, 2018 at 11:30 AM

    You 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? ;-)

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