[Elecraft] XG2 Harmonics question

Mark Schreiner vze3v8dt at verizon.net
Sat Nov 5 13:53:36 EST 2005


I would think it would be similar to the XG1, which according to its 
manual and according to measurements that I took on an HP8594E (I think) 
Spectrum Analzyer which matched closely to the manual as follows:

2nd Harmonic:  -7 dB
3rd Harmonic:  -14 dB
4th Harmonic:  -24 dB
5th Harmonic:  Not Specified but I measured it, just can't find the 
results now

The manual specifies that the results may vary slightly but should be 
within +/- 3 dB of specified values.  Since there is no filter on the 
output that would change this I would think that the results would be 
similar for the XG2 as the XG1.  Maybe somebody could measure these and 
verify.

Mark, NK8Q


Ken Bessler wrote:

> I just built an XG2 and tested K2 #4913 on 80, 40
>& 20m. I'd like to test using the harmonics of those
>3 frequencies on other bands but I need to know how
>many db's does the XG2 signal fall off when on the 
>harmonics? Say, the 3rd harmonic of 7040.25 for
>15m and the 2nd harmonic of 14060.02 for 10m?
>
>
>    73 de Ken KGØWX - Flying Pigs #-1055
>Elecraft K2 #4913 - Kadiddlehoppers #11,808
> 
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