My measurements indicate the SDR Play input Z is well above 50 ohms and no degration in signal strength was noted.
Bob, K4TAX Sent from my iPhone > On Jul 17, 2018, at 9:16 AM, Joe Subich, W4TV <[email protected]> wrote: > > > You will need a (hybrid) splitter ... connect the common port of > the splitter to the RX ANT Out jack, connect one output of the > splitter to RX ANT IN and connect the other output of the splitter > to the SDRPlay antenna jack. > > A splitter is necessary to keep one receiver from loading the > other resulting in loss of sensitivity. The receivers (K3, SDRPlay) > do not have identical input impedance across their range and one > receiver or the other can become (relatively) deaf on certain > frequencies depending on the characteristics of the input circuits. > > There are those who will say use a BNC T ... that may or may not > be satisfactory depending on cable lengths and receiver input > characteristics. Unlike a hybrid splitter, the BNC T connector has > no isolation between output ports which allows spurious signals > generated in one receiver to be coupled directly into the other. > > 73, > > ... Joe, W4TV > > >> On 2018-07-17 9:16 AM, Steve Muenich wrote: >> Hello gang, >> Is there a proper port on the K3S to connect a SDRPlay that would allow for >> sharing the main antenna while receiving, then be disconnected and isolated >> when the K3S go into transmit? >> Thanks >> Steve, NA5C >> K3S 10121 >> Sent from my mobile device >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
