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Re: 465B dead: ? HV transformer.


 

Remember, the diodes need to be fast-recovery types since the wave being rectified is ultrasonic.

Dave Wise

From: [email protected] <[email protected]> On Behalf Of Michael W. Lynch via groups.io
Sent: Monday, December 13, 2021 8:03 AM
To: [email protected]
Subject: Re: [TekScopes] 465B dead: ? HV transformer.

I have built a couple of these for 465/475. If memory serves me correctly you will need 6 - 20kV diodes and 6 - 1000pF 20kV ceramic caps and a 470k 1/2W resistor. I bought the caps and diodes from a popular auction site. I have a 3D printed STL file for an enclosure that mimics the original one. Fits into the original location.

--
Michael Lynch
Dardanelle, AR

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