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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Driving\s+Remote\s+Relays\-\-simply\s*$/: 3 ]

Total 3 documents matching your query.

1. [TowerTalk] Driving Remote Relays--simply (score: 1)
Author: "k6xx@juno.com" <k6xx@juno.com>
Date: Fri, 10 Dec 2004 15:47:50 GMT
Remote Ant. Switch Operators: Here is perhaps a simpler (and certainly more efficient) solution for sticky relays. Given that relays need a higher 'activate' current than 'hold' current, what we'd re
/archives//html/Towertalk/2004-12/msg00236.html (8,244 bytes)

2. Re: [TowerTalk] Driving Remote Relays--simply (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Fri, 10 Dec 2004 16:25:46 -0800 (GMT-08:00)
Remote Ant. Switch Operators: Here is perhaps a simpler (and certainly more efficient) solution for sticky relays. Given that relays need a higher 'activate' current than 'hold' current, what we'd re
/archives//html/Towertalk/2004-12/msg00249.html (9,211 bytes)

3. Re: [TowerTalk] Driving Remote Relays--simply (score: 1)
Author: "Tom Rauch" <w8ji@contesting.com>
Date: Fri, 10 Dec 2004 20:00:12 -0500
constant current source (set for the "hold current") and a fairly large capacitor across the output. When the realy is open, the capacitor charges up to the max supply voltage through the regulator.
/archives//html/Towertalk/2004-12/msg00250.html (11,097 bytes)


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