| To: | <amps@contesting.com> |
|---|---|
| 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
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