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1. Topband: Vac relay keying (score: 1): Author: MR TREVOR DUNNE <ei2glb@eircom.net>; Date: Tue, 14 Nov 2017 19:51:18 +0000 (GMT); Hi Guys Can someone point me in the direction of a circuit I can use to key a 26v vacuum relay using the tx out on my rig, I have a 24v PSU I just need to know how to switch on the feed to the relay; /archives//html/Topband/2017-11/msg00080.html (6,349 bytes)
2. Re: Topband: Vac relay keying (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Tue, 14 Nov 2017 13:37:58 -0800; See: www.k6xx.com/radio/fastrely.pdf Rick N6RK Can someone point me in the direction of a circuit I can use to key a 26v vacuum relay using the tx out on my rig, I have a 24v PSU I just need to know; /archives//html/Topband/2017-11/msg00081.html (7,145 bytes)
3. Re: Topband: Vac relay keying (score: 1): Author: MR TREVOR DUNNE <ei2glb@eircom.net>; Date: Wed, 15 Nov 2017 09:01:16 +0000 (GMT); I'm still looking for a way to do this can't see anything on W8JI's site suitable and the fast relay link isn't what I'm after, Thanks Trevor EI2GLB -- Original Message -- From: MR TREVOR DUNNE <ei2g; /archives//html/Topband/2017-11/msg00082.html (7,196 bytes)
4. Re: Topband: Vac relay keying (score: 1): Author: David Cutter via Topband <topband@contesting.com>; Date: Wed, 15 Nov 2017 05:10:38 -0500; Trevor That circuit works well if you only have a 13V typical radio supply. You can string several relays from the T/R line but remember to fit a 1N4000 type diode across the relay, + end to supply,; /archives//html/Topband/2017-11/msg00083.html (9,678 bytes)
5. Re: Topband: Vac relay keying (score: 1): Author: MU 4CX250B <4cx250b@miamioh.edu>; Date: Wed, 15 Nov 2017 06:24:55 -0700; Trevor, Its unclear to me what youre looking for. One transistor and a 24V power supply can activate a vacuum relay, but are you trying to key up an amplifier with the relay, ground a receive antenna; /archives//html/Topband/2017-11/msg00085.html (8,951 bytes)
6. Re: Topband: Vac relay keying (score: 1): Author: MR TREVOR DUNNE <ei2glb@eircom.net>; Date: Wed, 15 Nov 2017 14:09:12 +0000 (GMT); Hi Jim I'm trying to detune my TX vertical on RX, I want to use the tx out on my flex 6500 to do the switching I can add in delays using the flex software which is handy, So basically when I tx I wan; /archives//html/Topband/2017-11/msg00087.html (9,778 bytes)
7. Re: Topband: Vac relay keying (score: 1): Author: Dan Edward Dba East edwards <dan.n.edwards@sbcglobal.net>; Date: Sat, 18 Nov 2017 15:50:14 +0000 (UTC); hey trevor I just tell my 6500 to delay tx for 25 ms, to accommodate slow, cheap open frame relays here and there.. obviously, not QSK grade solution, but....'just sayin'... 73, w5xz, dan Hi Jim I'm; /archives//html/Topband/2017-11/msg00092.html (10,810 bytes)

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