And this is not the point!!! Read what K7TV wrote first and then what I commented on. Then K7TV started to rant about things beside the point.
/ SM2EKM ------------------ Bill W4ZV wrote: > 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" <sm2...@telia.com> >>> Cc: <elecraft@mailman.qth.net> >>> 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:Elecraft@mailman.qth.net >>>> >>>> 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:Elecraft@mailman.qth.net >>> >>> 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
