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> *From:* Marcus D. Leech
> *Sent:* Tuesday, September 29, 2020 2:23 PM
> *To:* Mark Koenig
> *Cc:* usrp-users@lists.ettus.com
> *Subject:* Re: [USRP-users] TWINRX Gain
>
> On 09/29/2020 02:02 PM, Mark Koenig wrote:
>
> Yes, I understand gain varies with temperature
I get it, thanks for the block diagrams. I will look into doing a lab test
with a calibrated source.
From: Marcus D. Leech
Sent: Tuesday, September 29, 2020 2:23 PM
To: Mark Koenig
Cc: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] TWINRX Gain
On 09/29
On 09/29/2020 02:02 PM, Mark Koenig wrote:
Yes, I understand gain varies with temperature and frequency, I just
wasnt sure if there was any receive chain analysis performed with the
daughtecard to give the developer an idea of what type of gain is
provided over the attenuation range at various
tenths of dBsI
was just interested in what the actual gain range provided by the card is.
Thanks
Mark
From: Marcus D. Leech
Sent: Tuesday, September 29, 2020 1:58 PM
To: Mark Koenig
Cc: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] TWINRX Gain
On 09
On 09/29/2020 01:54 PM, Mark Koenig wrote:
Marcus,
Thank you for the quick response. In my application I am trying to
remove the true gain I am applying to the signal. So when you refer
to control range, moving from 0 to 10, may result in only 5dB of gain,
or something to that effect, corre
true gain applied, can
you pass it along?
Thank you very much.
Mark
From: Marcus D Leech
Sent: Tuesday, September 29, 2020 1:51 PM
To: Mark Koenig
Cc: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] TWINRX Gain
It’s the gain control range. Not the absolute
It’s the gain control range. Not the absolute gain. I don’t know of the top of
my head how much of that range is gain and how much is attenuation.
Sent from my iPhone
> On Sep 29, 2020, at 1:43 PM, Mark Koenig via USRP-users
> wrote:
>
>
> The TwinRx daughtercard identifies as having 0-9
The TwinRx daughtercard identifies as having 0-93dB gain range. Is this true?
If I dial in 90dB am I truly getting 90dB of gain and my incoming signal is
amplified that much or is there some sort of offset and the gain range is
something different? I believe the UBX-160 offers 0-31.5dB.
Than
On 07/13/2017 07:57 PM, Eugene Grayver via USRP-users wrote:
Hello,
I am trying to understand the ‘actual’ gain in TwinRX.
Experimentally, I see that a 0 dBm input requires gain of +46 dB to
give a full-scale (-1/1) output. Interestingly, the two channels have
about 3 dB of difference in ga
Hello,
I am trying to understand the 'actual' gain in TwinRX. Experimentally, I see
that a 0 dBm input requires gain of +46 dB to give a full-scale (-1/1) output.
Interestingly, the two channels have about 3 dB of difference in gain (I would
have expected a lot less). Since the A/D expects a
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