On Wed, 2009-09-16 at 20:11 -0700, KGØUS wrote: ... > By just reviewing the ARRL test results, is there a simple way of comparing > the FT1000 measured with 250 Hz bandwidth IF filters with other radios > tested by the ARRL that were tested with 500 Hz bandwidth IF filters? > > 73, > Dave
It makes the noise floor 3 dB lower. So microvolts sensitivity would be reduced by a factor 0.707 (e,g, .28 uV at 500 Hz would be 0.2 uV at 250 Hz), blocking dynamic range would be 3 dB greater, and third-order IMD dynamic range would be 2 dB greater. Al N1AL ______________________________________________________________ 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
