Measurement of 2m amplifier Archimede 1000

 

Drive power Output power Gain  
dBm W dBm W dB
40,8 12 57,8 600 17,0
42,6 18 59,0 800 16,4  
44,3 27 60,3 1070 16,0  
 
Drive power Output power Input reflection SWR
aprox.
dBm W dBm W  [dB]
40,8 12 57,8 600 -11,2 1,8
42,6 18 59,0 800 -12,6 1,6
44,3 27 60,3 1070 -13,4 1,5
 
Drive power Output power Gain Delta
dBm W dBm W dB dB
38,3 6,8 53,2 210 14,9 0
39,3 8,5 54,6 290 15,3 0,4
40,3 10,7 55,8 380 15,5 0,2
41,3 13,5 57,3 540 16,0 0,5
42,3 17 58,6 725 16,3 0,3
43,3 21,3 59,5 890 16,2 -0,1
44,3 27 60,3 1070 16,0 -0,2
45,3 34 60,7 1175 15,4 -0,6
   
PEP PEP IMD3 IMD5 IMD7
dBm W dB dB dB
50,0 100 -33 -50 -70
53,0 200 -32 -45,0 -60,0
57,0 500 -27 -36,0 -47,0
60,0 1000 -20 -30,0 -35,0

Conclusion: PA is not recommended for use above 750W RF PEP output
with SSB modulation during contests, in case of EME & WSJT traffic up to
1000W max. Input power should not exceed 25W.

Amplifier doesn't meet producer technical specifications.

http://www.i0jxx.it/Img/1000MAC144.jpg