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Re: DIY: Repair of HP Step Attenuators


 

On 12/29/2012 12:51 AM, ffierling wrote:

The drive voltage is nominal under load.

Are you suggesting I compare the coil resistance to a known good
device? By what mechanism would the coil resistance increase - metal
fatigue?

Fred
bad connection(s) to the solenoid winding?

--doug

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