Ok, now I’ve confused myself.
Option 1: run both antennas into a T. Option 2: feed the appropriate antenna into the circulators, put a dummy load on the unused port(s), and then into the T. Is that correct? Do I need to worry about cable lengths from the antennas? On Sep 1, 2016, at 1:36 PM, Dan Petermann <d...@wyoming.com> wrote: > I think this will do the job. > > Thank you very much for your help! > > I really want one of these > (http://www.aaronia.com/products/antennas/IsoLOG-3D/) but the boss thinks > that 18K is a bit much. > > On Sep 1, 2016, at 12:02 PM, Chuck McCown <ch...@wbmfg.com> wrote: > >> I see the dilemma, not finding diplexers or splitters with the correct specs. >> >> So, a simple T would do the job. >> A bit of an impedance mismatch and possibly some suck outs at certain >> frequencies. >> >> A pair of circulators feeding a T with dummy loads for the reflected energy >> would be better. >> One of these: >> https://www.fairviewmicrowave.com/sma-circulator-17-db-isolation-4-8-ghz-sfc4080b-p.aspx >> One of these: >> https://www.fairviewmicrowave.com/sma-circulator-16-db-isolation-2-4-ghz-sfc2040a-p.aspx >> >> A SMA T and two SMA 50 ohm loads. >> >> -----Original Message----- From: Dan Petermann >> Sent: Thursday, September 01, 2016 11:36 AM >> To: af@afmug.com >> Subject: Re: [AFMUG] Diplexer or combiner >> >> I need to feed a single coax from 2 antennas (1-3.65 and 1-5.xGHz), receive >> only (spectrum analyzer). >> >> >> On Sep 1, 2016, at 11:15 AM, Chuck McCown <ch...@wbmfg.com> wrote: >> >>> Do you have transmit and receive all the the same circuit? >>> Waveguide or coax? >>> >>> Are you going into a dual freq antenna or two antennas? >>> Need a clearer picture. >>> >>> -----Original Message----- From: Dan Petermann >>> Sent: Thursday, September 01, 2016 11:09 AM >>> To: af@afmug.com >>> Subject: [AFMUG] Diplexer or combiner >>> >>> Does anyone know where I can find a diplexer that can combine the 3.65 & >>> 5.7GHz bands? >>> >>> I need one in the within 3 weeks. >> <Diplexer.PNG> >
