To: | <amps@contesting.com> |
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Subject: | [AMPS] SB-220 Glitch Resistor ??? |
From: | Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK) |
Date: | Tue, 28 Nov 2000 17:30:56 +0000 |
measures wrote: >>Something often overlooked is that even if you fit a glitch resistor to >>handle current surges, there also needs to be some way of interrupting >>the power input from the mains. I've heard of situations where someone >>dutifully added a glitch resistor, but when the B+ was shorted the power >>supply kept right on going because the fuse/breaker ratings were set too >>high. > >Not sound advice. The Heath HV supply is not capable of generating 40A >@3000v. Nobody but you imagined it was. But *some* HV power supplies with high-rated mains fuses will keep going for long enough to burn out the glitch resistor... and then the HV pops up again. 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.com/g3sek -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com |
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