[Elecraft] RF Cable From KX3 to KXPA 100

2021-05-09 Thread w...@flashdog.us
Hi Everyone, Quick question: Should the coax from the KX3 to the KXPA100 be RG-8x or RG-8 (or the equivalents). The length will be two (2) feet. Tnx & 73, Jeff/wb0m __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinf

[Elecraft] RF Cable From KX3 to KXPA 100

2021-05-10 Thread Reed Fite
I use Belden RG-174 from KX3 to amp. No problems on loss because it is only 2 feet long.  I use an RCA male connector on each end of RG-174 & that plugs into the RCA female to BNC adapter on the KX3 side & RCA female to PL-259 adapter on  KXPA100. Just leave adapters on amp & KX3 which makes a v

Re: [Elecraft] RF Cable From KX3 to KXPA 100

2021-05-09 Thread Joseph DeVincentis
IMHO 8x is a good choice. 8 is overkill. 73 Joe, KO8V -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of w...@flashdog.us Sent: Sunday, May 9, 2021 18:49 To: elecraft@mailman.qth.net Subject: [Elecraft] RF Cable From KX3 to KXPA 100 Hi Everyone, Quick question

Re: [Elecraft] RF Cable From KX3 to KXPA 100

2021-05-09 Thread Don Wilhelm
Jeff, Either would be more that adequate.  You could also use RG58 if that is better for you. It does not have to have the high voltage ratings of RG8, and RG58 is more flexible than RG8X. No need for overkill. 73, Don W3FPR On 5/9/2021 6:49 PM, w...@flashdog.us wrote: Hi Everyone, Quick q

Re: [Elecraft] RF Cable From KX3 to KXPA 100

2021-05-09 Thread Mark Goldberg
For a 2 foot cable, I don't think the loss will be significant whatever cable is used. Cable loss for RG8 is about 1.6 dB / 100 ft at 50 MHz. Cable loss for RG8x is about 2.5 dB / 100 ft at 50 MHz. Cable loss for RG58 is about 3.3 dB / 100 ft at 50 MHz. So 2 ft of each would be 0.03 dB or 0.05 dB o