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TOPIC: Colibri Nano and MUTE during TX

Colibri Nano and MUTE during TX 03 Jun 2020 09:24 #1

  • ic8pof
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HI All.
After having worked in the CQWPX_CW part I have many questions about the use of the COLIBRI-NANO,
but in this message I ask just for one: how to UN_MUTE the Colibri Nano during TX.
I haven't found no answer till now.
I have thought that it was an N1MM setting but it not so as also my LOGGER32 makes the same.

PREFACE: I do not use an external switch relay, instead I have an output rx signal after the RX PRESELECTOR in my FT1000mkV,
therefore the TX path is already interrupted by the RIG itself.
BUT...
when I go in TX the ColibriNano mutes the AUDIO part , the audio button goes RED and I loose many milliseconds in the returning way to RX.
I have not found in the EESDR any switch option to shorten or disable that option.
Any suggestion please ?
73
Phil

ps: in my many years of use of the SDR_IQ&SDRConsole I have never had such problem
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Colibri Nano and MUTE during TX 03 Jun 2020 18:33 #2

  • ic8pof
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PS2 : I have discovered that the Colibri_Nano EESDR software has an AUTOMATIC MUTE during transmissions, even if no antenna is connected to it
and even with quasi ZERO power output.
The only difference is in the time taken to return to RX, this delay is quasi zero at ZERO( +-100mW) power output into a dummy-load and no antenna connected to the CNano .
As the power gets increased (anyway already above 1 or 2 watts) the delay to RX increases up to 2 seconds.
Such delay is good for very low cw speeds but for moderate or HIGH CW speeds it is unusable, as it was in the CQWPX_CW.
That seems to be a project protection ... ok..., but is it a hardware or software one ?
Is it possible to deactivate ?
73
Phil
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