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[Amps] Help needed

Subject: [Amps] Help needed
From: "Will Matney" <>
Date: Tue, 13 Jun 2006 22:09:12 -0400
List-post: <>

This I know is off topic but I need some help. I am receiving a HP 8640B signal 
generator, and have heard of some nightmares concerning the tuning cavity it 
uses. I'm wondering what I need to look for on this, and if any lubrication 
ought to be done before using it too much, etc. My other generators are all 
digitally tuned and do not have this so I'm wondering what I may be in for if I 
see any problems. I bought this generator for my calibration bench to be driven 
off my GPS standard. I am also going to calibrate the internal OCXO with the 
standard before I use the standard to discipline it getting it as close as 
possible. I think the varactor in the OCXO only allows 1 Hz tuning? If anyone 
could, please e-mail me about these off the list. It would be much appreciated.

Also, I'm getting in a Struthers wattmeter with the slugs. This is the one with 
the slanted face and has the SWR reading. Have any used these and what are your 
thoughts on them? Let me know off the list.



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