The text of the brochure only mentions key-down (RT) latency. It does not mention key-up (TR) or receive (DSP) latency. All three are crucial factors in QSK keying.
Ed W2RF -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of George Allen Sent: Friday, May 18, 2012 1:21 PM To: Les Gasser W9XC Cc: [email protected]; [email protected] Subject: Re: [FlexEdge] Full duplex, CW, Signature Series Thanks, Les Sent from my dog's iPad On May 18, 2012, at 12:18 PM, "Les Gasser W9XC" <[email protected]> wrote: >> George Allen >> Fri May 18 09:52:29 CDT 2012 >> ... >> 2. Is there any latency on CW? >> > > Here's what the 6000 brochure says (P5)... > > | Imagine all digital QSK CW in hardware... > | > | The FLEX-6500 and FLEX-6700 transceivers utilize FPGA hardware to > | directly generate the CW waveform digitally at the RF carrier > | frequency. This means that the RF carrier switches at hardware > | speeds without first element truncation as is typical in many > | radios. When combined high speed TR and bias switching on the PA, > | <10 millisecond key down to RF output is achieved. True FSK > | mark/space carrier is also digitally generated directly at the RF output frequency. > > > - Les, W9XC > > _______________________________________________ > Flexedge mailing list > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software. > _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software. _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software.
