Hi Bill,
Some definitely do. During the time I've experimented with quadrature
sampling detectors and SDR software development I've tried a number of
soundcards. Some did have hardware attenuators and preamplifiers in the
line inputs and these needed to be offline in order to have decent dynamic
range. The best soundcard was, at the time, the Delta 44. It has almost no
controls.
73, Edson PY2SDR
On Fri, Mar 3, 2017 at 4:22 PM, Bill Somerville <g4...@classdesign.com>
wrote:
> On 03/03/2017 19:17, Edson W. R. Pereira wrote:
> > Also, some soundcards have no hardware fader control (the best ones).
>
> Hi Edson,
>
> I would be a little surprise if any soundcard had a hardware level
> control other that mic boost. Do you know otherwise?
>
> 73
> Bill
> G4WJS.
>
>
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