Dear Don Many thanks for your quick answer to my question.
You are right, it was my fault: I compared the RTTY filter set to SSBCr 1-1 with the SSB filter set to SSBC 2-1 (the setting that I use for voice operation) I forgot to modify this setting when comparing output power. Now, with the same SSBC settings in both modes (1-1) there are not differences in output power. On the other hand, increasing the audio output of the soundcard and transmitting in the center of the bandpass I get 70-80 watts in 10 meters and RTTY. So, all is all right. Many thanks again for your help! 73 Raimon EA3EZO K2/100 nr. 3529 K1 nr. 493 ============================================================ Raimon, If you have the RTTY FL1 filter set to OP1 and the BFO frequencies set the same as for SSB, there should be no difference. EXCEPT The RTTY filter set has an independent SSBCr setting in the menu, and it should always be set to 1-1 for data modes. If you have the SSB menu SSBC set to add compression to the signal, that would explain the difference, but if so, it is causing distortion on your data signal. Yes, you will have to increase the audio gain on the higher bands where the transmit gain is lower. Re-check the filter settings. If the FL1 filter is set to OP1 and the BFOs are set the same as for SSB, then there should be no difference if you set the SSBC menu parameter to 1-1. 73, Don W3FPR ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
