Re: [Elecraft] Minicircuits splitter for diversity?

On 11/9/2017 3:42 PM, Jim Miller wrote: I can't use my TX antenna as one of the antennas in a diversity setup since it is far too close to my RX vertical array. So when listening I detune my TX antenna. And of course it not only lacks sufficient distance but is of the same polarization as my RX

Re: [Elecraft] Minicircuits splitter for diversity?

As a follow up: Thanks for all the suggestions. It appears I really don't want a splitter after all once I looked over all the schematics on the K3s and Fred's nice book. I can't use my TX antenna as one of the antennas in a diversity setup since it is far too close to my RX vertical array. So

Re: [Elecraft] Minicircuits splitter for diversity?

Yep, 1000ft of RG11 direct burial for $100 on Amazon. Good enough for HF on any day. Mike va3mw On Mon, Nov 6, 2017 at 8:24 PM, Jim Brown wrote: > Right. Or 75 ohms for 75 ohm splitters and systems. I always specified > low loss CATV RG6 for wireless mic systems,

Re: [Elecraft] Minicircuits splitter for diversity?

Right. Or 75 ohms for 75 ohm splitters and systems.  I always specified low loss CATV RG6 for wireless mic systems, and most ham RX systems are designed around 75 ohms. The reason is simple -- we can buy much better 75 ohm cables at much lower prices than what we would have to pay for 50 ohm

Re: [Elecraft] Minicircuits splitter for diversity?

design do. Mel, K6KBE From: Alan Bloom <n...@sonic.net> To: j...@audiosystemsgroup.com Cc: elecraft@mailman.qth.net Sent: Monday, November 6, 2017 4:57 PM Subject: Re: [Elecraft] Minicircuits splitter for diversity? And don't forget that the isolation spec assumes a perfectd

Re: [Elecraft] Minicircuits splitter for diversity?

And don't forget that the isolation spec assumes a perfectd 50-ohm termination on all ports. For example if one of the ports is seeing a load with a 10 dB return loss, then the isolation will be no better than 10 dB. Alan N1AL On 2017-11-06 13:06, Jim Brown wrote: > No -- the Mini-Circuits

Re: [Elecraft] Minicircuits splitter for diversity?

On 11/6/2017 12:42 PM, ab2tc wrote: would you really like to use "F" connectors in the shack? I wouldn't. Actually, F connectors are widely used with RX antennas and RX antenna products, and are the best method to terminate the CATV cables widely used for our RX antennas. It IS, however,

Re: [Elecraft] Minicircuits splitter for diversity?

I'm going to sweep one just to see what it looks like below 30mhz. Mike On Mon, Nov 6, 2017 at 3:42 PM, ab2tc wrote: > Hi, > > Well yes. I would not trust the Cable TV splitters to be any good below > 30MHz. They are not designed for frequencies that low. Specs are typically >

Re: [Elecraft] Minicircuits splitter for diversity?

No -- the Mini-Circuits splitters provide significant isolation between the ports so that, for example, a local oscillator on one port isn't fed to the other port(s). The degree of this is the dB spec for isolation. 73, Jim K9YC On 11/6/2017 12:21 PM, Michael Walker wrote: Is that any

Re: [Elecraft] Minicircuits splitter for diversity?

Hi, Well yes. I would not trust the Cable TV splitters to be any good below 30MHz. They are not designed for frequencies that low. Specs are typically unavailable. As Jim says, Mini-Circuits is a very very reputable US brand that has been around, well, forever. They cost a lot more but there are

Re: [Elecraft] Minicircuits splitter for diversity?

ld be a good use, > but that does not involve diversity mode. > > 73, Ed - KL7UW > > Date: Mon, 6 Nov 2017 08:13:08 -0500 > From: Jim Miller <j...@jtmiller.com> > To: Elecraft Reflector <elecraft@mailman.qth.net> > Subject: [Elecraft] Minicircuits splitter for diversity? > Message-ID: >

Re: [Elecraft] Minicircuits splitter for diversity?

to see the same antenna it would be a good use, but that does not involve diversity mode. 73, Ed - KL7UW Date: Mon, 6 Nov 2017 08:13:08 -0500 From: Jim Miller <j...@jtmiller.com> To: Elecraft Reflector <elecraft@mailman.qth.net> Subject: [Elecraft] Minicircuits splitter for diversity? Message-ID:

Re: [Elecraft] Minicircuits splitter for diversity?

Mini-Circuits is a very good, well-established US company based in Brooklyn, I think. For many years, I specified their 1x4 75 ohm splitters to distribute RX antennas for the wireless mic systems I designed for large performance spaces.  I'm using some I found at a hamfest flea market to

Re: [Elecraft] Minicircuits splitter for diversity?

I'll try this first. Block diagrams are a bit confusing. I'll study. Thanks jim ab3cv On Mon, Nov 6, 2017 at 11:20 AM, wrote: > > On Nov 6, 2017, at 5:13 AM, Jim Miller wrote: > > I'm looking at this splitter to set up diversity for my K3s. It will only > be

Re: [Elecraft] Minicircuits splitter for diversity?

On Nov 6, 2017, at 5:13 AM, Jim Miller wrote: I'm looking at this splitter to set up diversity for my K3s. It will only be connected to RX paths. No splitter necessary. Just "wire-or" the RX-IN and AUX-RF-IN together. RX-ANT > OFF + SUB > HOLD to turn

Re: [Elecraft] Minicircuits splitter for diversity?

] Minicircuits splitter for diversity? Hi Jim. I have the PSC-4-6+ which I put in my own enclosure. I use that together with the DX-Engineering preamp. Before that I was using the DX-Engineering 2-port splitter but I needed more ports, i.e. this one https://www.dxengineering.com/parts/dxe-rsc-2

Re: [Elecraft] Minicircuits splitter for diversity?

Hi Jim. I have the PSC-4-6+ which I put in my own enclosure. I use that together with the DX-Engineering preamp. Before that I was using the DX-Engineering 2-port splitter but I needed more ports, i.e. this one https://www.dxengineering.com/parts/dxe-rsc-2 . The MiniCircuits one works fine.They

Re: [Elecraft] Minicircuits splitter for diversity?

www.ke7x.com. From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> on behalf of Don Wilhelm <donw...@embarqmail.com> Sent: Monday, November 6, 2017 6:46 AM To: Jim Miller; Elecraft Reflector Subject: Re: [Elecraft] Minicircu

Re: [Elecraft] Minicircuits splitter for diversity?

Jim, I don't understand how that will help with diversity. You need two antennas that are oriented differently - usually one for horizontal polarization and the other for vertical polarization. One is connected to the subRX AUX antenna connection and the other connects to the main RX. If

[Elecraft] Minicircuits splitter for diversity?

I'm looking at this splitter to set up diversity for my K3s. It will only be connected to RX paths. https://www.minicircuits.com/WebStore/dashboard.html?model=ZSC-2-1BR%2B It goes down to 100Khz and up to 400Mhz. BNC connections and a rear bracket make it fit well with my setup. Anyone see a