JUMA TX500 Spurious
ouputs 2009-09-04 OH7SV
Test conditions
- Carrier 60 watts
to 50 ohm to dummy load
- Measured with
40 dB attenuator
- Level detector
JUMA TRX2, calibrated with HP8642B signal generator
Results
JUMA TX500 harmonic ouputs, carrier 60 watts 500 kHz
Signal
|
Relative
|
Power
|
1f (fundametal)
|
0 dB
|
60 W
|
2f
|
-62.7 dB
|
32 uW
|
3f
|
-60.7 dB
|
51 uW
|
4f
|
89.7 dB
|
64 nW
|
5f
|
-77.7 dB
|
1.0 uW
|
6f
|
-110.7 dB
|
0.5 nW
|
Amateur radio regualtions concerning spurious ouputs (Finland)
- Below 30 MHz spurious
signals must be at least 40 dB below fundamental and max spurious peak power
is 10 mW
- Above 30 MHz spurious signals must be at
least 60 dB below fundamental and max spurious peak power is 25 uW
JUMA TX500 complies
very well with the regulations.