A good idea, when protecting your meters, is to place 3-4 of these 1N5408 in
a row!
73's
> ******************************************************
> Jens Koefoed, * jens.koefoed@teracom.se
> * +46 40 690 14 37, fax +46 40 690 18 29
> GSM +46 708 14 19 37, SM7OVK
> TERACOM AB
> http://www.teracom.se/
> http://www.digitalTV.nu/
> * PO Box 50534, SE-20250 Malmö, Sweden
> ******************************************************
>
>
> ----------
> Från: Ian White, G3SEK[SMTP:G3SEK@ifwtech.demon.co.uk]
> Skickat: den 11 november 1999 12:23
> Till: amps@contesting.com
> Angående: Re: [AMPS] sb 220 update that was bounced the first time
> sent in...
>
>
> Rich Measures wrote:
> >
> >>I'd like to protect the movements if possible.
> >
> >A meter/shunt protection circuit is at Figure 2 on my Web site.
> >
> Highly recommended - together with the surge limiting resistor ("glitch
> resistor") in the HV supply, between point J and the shorting switch.
>
> To protect your valuable meters, invest in large diodes such as 1N5408
> or GI750 - not weedy little 1N400x which may burn out in a surge.
>
> 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book'
> 'In Practice' columnist for RadCom (RSGB)
> http://www.ifwtech.demon.co.uk/g3sek
>
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