Here's the FT-1000 meter...8 dB total difference from S5 to S1: http://www.n6rk.com/FT1000_S_meter.doc
73, Bill Bill W4ZV wrote: > > Erik you're correct. The table below shows the FT-1000MP (not "D" but I > bet very similar) has a nonlinear response in the low range of the meter. > Most rigs (other than the K3 and Flex 5000) have the identical problem. > > http://www.seed-solutions.com/gregordy/Amateur%20Radio/Experimentation/SMeterBlues.htm > > 73, Bill > > > > K7TV wrote: >> >> Jim, >> >> I take it you were commenting on the S-meter. I don't have the rig >> anymore; >> I sold it to buy the K3. It was generally working very well, and it >> behaved >> this way from day one (I bought it new around 1992) and I never saw a >> need >> to align it. The buyer has not complained. My statement was based on >> starting at S-9 and applying attenuation 6 dB at a time. My memory may be >> slightly off, but generally I saw the same behavior in the 1000D as in my >> old IC-735. The meters would be quite good above S-7. Starting at S-7 and >> attenuating another 6 dB they would indicate about S-5, and after another >> 6 >> dB the needle would be at 0. I remember memorizing this and using it to >> give >> reports. Because it seemed so consistent between the two rigs, I formed >> the >> opinion that it was the consensus of the manufacturers, and again saw no >> reason to question the 1000D's alignment. Of course, with >> preamplification >> on, the meter would start moving at a lower level, maybe S3. Over the >> years >> I have seen comments in articles that have seemed to avoid >> generalizations >> and instead said things like "S-meter calibrations vary a lot from >> receiver >> to receiver". I wouldn't be surprised if Yaesu had changed the AGC >> parameters sometime during the long production run. >> >> 73, >> Erik K7TV >> >> ----- Original Message ----- >> From: "Jan Erik Holm" <[email protected]> >> Cc: <[email protected]> >> Sent: Monday, May 11, 2009 8:25 PM >> Subject: Re: [Elecraft] K3 Power supply >> >> >>> Sorry but this is totally wrong. In this case your FT-1000D >>> was either broken or not aligned properly. >>> If you still have it align it per the service manual and >>> you will see something totally different. >>> >>> 73 Jim SM2EKM >>> ------------------------------ >>> Erik N Basilier wrote: >>>> Merv, >>>> >>>> My experience with the FT-1000D was that the S-meter didn't start to >>>> move >>>> until the actual signal strength reached S-5 or so. But yes, I believe >>>> you >>>> when you say that the switching power supply creates a lot of noise, >>>> and >>>> the >>>> one in the FT-1000D doesn't. >>>> >>>> 73, >>>> Erik K7TV >>>> >>> >>> >>> ______________________________________________________________ >>> 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 >>> >> >> >> ______________________________________________________________ >> 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 >> >> > > -- View this message in context: http://n2.nabble.com/K3%3A-N1MM-for-Field-Day-tp2864853p2869271.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ 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
