Re: [Elecraft] [K2] Sensitivity Spec

2017-08-16 Thread Edward R Cole
--- From: Steve Kavanagh To: , Subject: Re: [Elecraft] [K2] Sensitivity Spec Message-ID: <1122135791.3077810.1502906517...@mail.yahoo.com> Content-Type: text/plain; charset=UTF-8 Thanks for your comments, Don. When you test K2's, can I assume you have

Re: [Elecraft] [K2] Sensitivity Spec

2017-08-16 Thread Steve Kavanagh via Elecraft
have to delve deeper. 73, Steve VE3SMA On Tue, 8/15/17, Don Wilhelm wrote: Subject: Re: [Elecraft] [K2] Sensitivity Spec To: "Steve Kavanagh" , elecraft@mailman.qth.net Received: Tuesday, August 15, 2017, 8:29 PM Steve, Typically, the receiver is limited by the noise

Re: [Elecraft] [K2] Sensitivity Spec

2017-08-15 Thread Don Wilhelm
Steve, Typically, the receiver is limited by the noise floor, so the MDS will not change much whether the preamp is on or off. While the preamp will increase the strength of the signals, it also adds to the noise floor. Generally a transverter will have a low noise preamp with plenty of gai

[Elecraft] [K2] Sensitivity Spec

2017-08-15 Thread Steve Kavanagh via Elecraft
I'm just trying to evaluate if I have the gain distribution right for a K2 used as an IF for a 10 GHz transverter, through a 2 m transverter mounted inside the QRP top. The K2 manual gives a specification for the MDS but fails to define the bandwidth at which it is measured. Sherwood's receive