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[Linrad] Re: Linrad/sdr-IQ level adkustement?
- Subject: [Linrad] Re: Linrad/sdr-IQ level adkustement?
- From: "f6dro" <wanadoo.fr; f6dro@xxxxxxxxxxxxxxxx>
- Date: Sun, 8 Mar 2009 19:57:21 +0100
SDR-IQ IF gain? SpectraVue or Windows? Or do you mean any of the the gain
settings in Linrad?
I did my measurements on Spectravue as I wanted to vary the gain , it was an
easy place to do this , while being able to use the " continuum" information
which is very usefull.
The gain I varied was in SDR-IQ setup:
1) RF gain : this one , I must not change it as I've found it's kills my
noise floor
2) 6620 IF gain , originaly 24db , going to 0 in 6db steps , I noticed it
changed almost nothing on the noise floor ( still preamp ON/preamp OFF
measurement).
I will study your message more in depth , tnx for help
73
Dom
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