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1. Topband: 12V through coax (score: 1): Author: "tony.kaz--- via Topband" <topband@contesting.com>; Date: Sat, 7 Dec 2019 15:59:17 -0500; I am making up new boxes for my Pennants. I will be switching directions with a relay in the box besides the terminating resistor and the choke. My question is what are the correct values of the comp; /archives//html/Topband/2019-12/msg00051.html (7,345 bytes)
2. Re: Topband: 12V through coax (score: 1): Author: GEORGE WALLNER <aa7jv@atlanticbb.net>; Date: Sat, 07 Dec 2019 17:02:15 -0500; Tony, The component values are not critical, especially in a RX only application. The rule of thumb I use is that the reactance (AC resistance) should be 20 x the impedance for the choke and 1/20 for; /archives//html/Topband/2019-12/msg00055.html (9,175 bytes)
3. Re: Topband: 12V through coax (score: 1): Author: donovanf@starpower.net; Date: Sat, 7 Dec 2019 18:02:50 -0500 (EST); Hi Tony, George's advice is good. A few additional points: - you should also install a 100-150 uH choke across the coaxial connector going to your radio, it will protect your radio from the DC voltag; /archives//html/Topband/2019-12/msg00057.html (9,796 bytes)
4. Re: Topband: 12V through coax (score: 1): Author: "tony.kaz--- via Topband" <topband@contesting.com>; Date: Sun, 8 Dec 2019 07:20:03 -0500; Thanks Frank, Tim and George for your feedback. I have the parts in the junk box to use your inputs. 73, N2TK, Tony From: donovanf@starpower.net <donovanf@starpower.net> Sent: Saturday, December 7, 2; /archives//html/Topband/2019-12/msg00062.html (10,999 bytes)
5. Re: Topband: 12V through coax (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Sun, 8 Dec 2019 16:55:52 +0000; For my relay reversible DHDL's used on 160 & 80m, I'm using 0.1uf 500v DC blocking capacitors, particularly the Kemet X7R MLCC SMD ones. digikey 399-6747-1-nd There are enough parts for reversibility; /archives//html/Topband/2019-12/msg00065.html (9,007 bytes)
6. Re: Topband: 12V through coax (score: 1): Author: "tony.kaz--- via Topband" <topband@contesting.com>; Date: Sun, 8 Dec 2019 15:40:28 -0500; Hi Grant. Tnx for the info. Putting up a DHDL like at H40TT is on my list. I want to install another BOG first for a comparison to my 3-el W1FV and two dual feed Pennants. I miss my 625' beverage I h; /archives//html/Topband/2019-12/msg00067.html (9,720 bytes)

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