Wayne, pse "How isolated is the receive only input?" Can I run power with a good receive antenna connected to
rcve only input bnc socket without damage anywhere? Thanks. Charles Harpole [EMAIL PROTECTED] > To: elecraft@mailman.qth.net > From: [EMAIL PROTECTED] > Date: Wed, 13 Aug 2008 16:19:28 -0700 > Subject: [Elecraft] Re: K3 KRX3 - BNC or KAT3? > > Tony, N2TK wrote: > >> Is it recommended to hook up the BNC connector on the back to >> the KRX3 or to use the second SO-239 on the K3 or does it make any >> difference? > > Hi Tony, > > If you have a KAT3, you can optionally use the non-transmit KAT3 > antenna (which might be ANT1 or ANT2 at any given time) as the sub > receiver's secondary antenna source. If not, you'll need to use the BNC > jack. > > The BNC jack is recommended anyway, and an appropriate cable is > supplied with the KRX3 module. It's the way we set up factory-built > K3s. It's more flexible, because you can connect a receive-only antenna > for use with the sub receiver that is well-isolated from your transmit > antennas. (Physical and electrical isolation for a receive antenna is > good practice in general.) > > If you don't have a special RX antenna for use with the sub receiver, > but you do have two antennas connected (to ANT1 and ANT2), the KAT3 > non-transmit antenna might be a better choice. > > This selection has no impact on *shared* use of the main antenna by the > sub receiver. You can do that in any case. > > >> Most of the time I will be using the same antenna for both >> receivers. > > That's the "shared" case. > > >> When the K3 has the capability of having the two >> receivers on two different bands I would like to monitor another >> band with a second antenna. An example would >> be to monitor 6M. Figured I could use the second SO-239 for this. > > Either the KAT3 non-transmit antenna or the BNC jack would work. If you > use the KAT3 non-transmit antenna, be sure to keep the antennas on ANT1 > and ANT2 very well isolated so the sub receiver's carrier-operated > relay doesn't get triggered when you transmit. > > >> I assume that when I am listening to both receivers on the same band >> that if I am using the receive antenna input the receive antenna >> will go to both receivers. Is this correct? > > Yes. > > 73, > Wayne > N6KR > > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
