Electronics > Repair

HP-8569 Spectrum Analyzer Repairs

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AF6LJ:

--- Quote from: cncjerry on May 08, 2017, 06:31:12 pm ---what's with all those pots on that one board?  looks like it would be a real hassle to align.  Nice job by the way.

--- End quote ---
That is to set the current going into the YIG osciallator tuning coil...
All those pots make for a linear change in frequency...
It is a current shaping network.

WastelandTek:
oh man, when I heard about the photobucket fiasco I knew there would be really important threads that ended up like this

 :'(  :'(  :'(

bitseeker:
Sadness, indeed.  :'(

AF6LJ:
I'm not real happy about this, and will start using the Google Photos page...
I have another ongoing project over on the QRZ forums and Google photos will let you link to your photos.

WastelandTek:

--- Quote from: AF6LJ on July 16, 2017, 02:15:45 pm ---I'm not real happy about this

--- End quote ---

yeah, I bet

I am so sorry Sue.  I know it is a lot of work, but are you planning to relink the thread?  These kinds of threads are sooooo useful for people later trying to fix similar gear.

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