At 03:30 AM 3/8/01 -0800, Michael Tope wrote:
>I am curious if there are any standards for measuring click performance?
>words, how do you attach a number to a transient event like a key click?
>described a procedure for measuring key click performance using a spectrum
>analyzer. How does one correlate the spectrum analyzer readings with what is
>acceptable and what isn't? Obviously lower spurious readings on the spectrum
>analyzer are better than higher ones, but how good is good enough? All our
>have finite phase noise, harmonics, and IMD performance yet at some point we
>say - "good enough" - its a clean rig.
Very good question. The ARRL Handbook points out that there is a
correlation between the rise/fall times of the RF envelope, CW speed and
intelligibility, with some degree of "hardness" being necessary to support
I've been told, however, that synthesizer anomalies produce "unnecessary"
clicks, and that the Omni 6+ is particularly clean -- if so, perhaps its
level of clickiness could become a de facto standard of comparison.
73, Pete N4ZR
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