[arm-allstar] Soundcard FOB

[Chris Viningre]

Thanks Doug, I'm just making these for friends and family. They will work
as they are.

Chris Viningre
70 W. Roadrunner
Salt Flat, Texas 79847
C:(915) 504-1510
chrisviningre at gmail.com
Amateur Radio Operator: WS5B
https://www.qrz.com/db/ws5b
http://www.reverbnation.com/chrisviningre

On Sun, Mar 19, 2017 at 8:53 PM, "Doug Crompton via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> Chris,
>
>  That partially answers the question. For some reason the CM108B has lower
> audio levels. The spec does not show this so either it is spec'ed wrong or
> these are clone chips not manufactured to spec. Unfortunately you will have
> to live with it unless you build a little op-amp circuit. If I were
> manufacturing these I would include op-amps in both the input and output
> with adjustment pots. If the levels you have set work then you are OK. It
> is not a problem that it is turned all the way up as long as that is a good
> level.
>
>
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
> On Sun, Mar 19, 2017 at 10:38 PM, "Chris Viningre via arm-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > Its a CM108B and I haven't had any problem with it being detected. I
> have 5
> > more to try so I'll see if they are different.
> >
> > Chris Viningre
> > 70 W. Roadrunner
> > Salt Flat, Texas 79847
> > C:(915) 504-1510
> > chrisviningre at gmail.com
> > Amateur Radio Operator: WS5B
> > https://www.qrz.com/db/ws5b
> > http://www.reverbnation.com/chrisviningre
> >
> > On Sun, Mar 19, 2017 at 8:12 PM, "Leighton Judd via arm-allstar" <
> > arm-allstar at hamvoip.org> wrote:
> >
> > > G'day all,
> > >
> > > I am new to Allstar, but I thought I would share some thoughts on this
> > > matter.
> > >
> > > I have been playing around with similar CM108 based USB sound card
> > devices
> > > also.
> > >
> > > The ones that I have are actually CM108B and required a little bit of
> > > modification to the code to  have them detected.
> > >
> > > I have also noticed that on one radio, I have had to increase the mic
> > gain
> > > to 999 also. I think that this is just a function of the output level
> > from
> > > the radio. It doesn't seem to be a problem, however I am still testing
> my
> > > setup.
> > >
> > > I am happy to share more info regarding my USB sound card and node if
> > that
> > > is helpful.
> > >
> > >
> > > Regards,
> > > Leighton
> > >
> > > On Mon, 20 Mar 2017 at 13:03, "Doug Crompton via arm-allstar" <
> > > arm-allstar at hamvoip.org> wrote:
> > >
> > > > Chris,
> > > >
> > > >   We use those cards quite a bit and have had no problems. At least
> > they
> > > > look like that card. What is the chip number if you can read it.
> Maybe
> > > you
> > > > got a bad card? Do you have another one to try?
> > > >
> > > >
> > > > *73 Doug*
> > > >
> > > > *WA3DSP*
> > > >
> > > > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio
> >*
> > > >
> > > > On Sun, Mar 19, 2017 at 7:00 PM, "Chris Viningre via arm-allstar" <
> > > > arm-allstar at hamvoip.org> wrote:
> > > >
> > > > > I modafied this
> > > > > http://www.ebay.com/itm/272374780193?_trksid=p2057872.
> > > > > m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
> > > > > soundcard and it works great other than low TX and Rec audio. It's
> ok
> > > if
> > > > I
> > > > > use 999 settings on both but I would like to get it closer to the
> > > middle.
> > > > > Everything works good with the URI interface. On the Mic line I
> have
> > a
> > > > 10uf
> > > > > capacitor and no resistor. RXBOOST is on. Any ideals?
> > > > >
> > > > > Chris Viningre
> > > > > 70 W. Roadrunner
> > > > > Salt Flat, Texas 79847
> > > > > C:(915) 504-1510
> > > > > chrisviningre at gmail.com
> > > > > Amateur Radio Operator: WS5B
> > > > > https://www.qrz.com/db/ws5b
> > > > > http://www.reverbnation.com/chrisviningre
> > > > > _______________________________________________
> > > > >
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> > > > >
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> > > > >
> > > > >
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