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1. Re: Topband: Two wire beverage question (score: 1)
Author: Guido Tedeschi <guidoted@gmail.com>
Date: Fri, 23 Mar 2012 23:46:47 +0100
Il 23/03/2012 16:10, Kenneth Grimm ha scritto: If you are talking about the RBS-1P, the electrolytic capacitor is connected in parallel with the relay coil (positive terminal of capacitor connected t
/archives//html/Topband/2012-03/msg00230.html (8,555 bytes)

2. Re: Topband: Two wire beverage question (score: 1)
Author: Guido Tedeschi <guidoted@gmail.com>
Date: Sat, 24 Mar 2012 13:36:29 +0100
With that trick, you can switch four directions using only one single coax cable, two RBS-1P and another relay that is switched with +12Vdc and 9Vac. With 0V and -12V you control one RBS1-P, with 9Va
/archives//html/Topband/2012-03/msg00233.html (10,384 bytes)

3. Re: Topband: 9Q0HQ (score: 1)
Author: Guido Tedeschi <guidoted@gmail.com>
Date: Thu, 19 Mar 2015 16:36:31 +0100
John, the Diamond they used is quite similar to the Pemnant... 73 de Guido, ik2bcp _________________ Topband Reflector Archives - http://www.contesting.com/_topband
/archives//html/Topband/2015-03/msg00186.html (9,133 bytes)

4. Re: Topband: Any way to check isolation transformer for FCP (score: 1)
Author: Guido Tedeschi <guidoted@gmail.com>
Date: Sun, 17 Jan 2016 17:58:52 +0100
It sounds strange, because to have 45,6 uH with 20 turns the Al should be 1140. With T300A-2 Amidon data (Al = 228), with 20 turns you should have 9,12 uH (103 ohm of Xl at 1,8 MHz). 73 de Guido, ik2
/archives//html/Topband/2016-01/msg00464.html (10,041 bytes)

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