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Michael VK3MM. Controlled Envelope SSB
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Mike McDonald
Member
I wonder if Flex has considered implementing Controlled Envelope SSB in the flex 6700?
I read they done some development work in this area in the past and as it seems to be largely a software thing I thought it would make a good addition?
2
Answers
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I "know" CE-SSB is in there...
Checking the previous release notes from V 1.2.17., I believe it is called Downward EXPander (DEXP). :
http://www.flexradio.com/downloads/smartsdr_v1-2-17_release_notes-pdf/
The release note has some important information about setting mic-gain levels that are relevant in the current s/w. It is a must read.
The QEX article also eludes to it being in SSDR:
http://www.arrl.org/files/file/QEX_Next_Issue/2014/Nov-Dec_2014/Hershberger_QEX_11_14.pdf
CE-SSB is different from Envelope Tracking that sets the PA voltage to a setting for maximum efficiency based on the instantaneous power. The interested student will Google "Envelope Tracking" for further details.
Best Regards,
k3Tim
0 -
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The CE-SSB speech processor has been in SmartSDR for several versions. It is the PROC feature.0
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CESSB was in SSDR long before the QEX article0
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Thanks for the response I will check it out.
Cheers
Michael VK3MM
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Thanks for the link to the article Tim....0
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