[Space] Audio

Albert Alexander albert.alexander at gmail.com
Thu Mar 18 18:24:23 PDT 2010


Nope, they transmit at separate times. We could use a fet to switch sources
but that's more parts and wires.

On Thu, Mar 18, 2010 at 6:10 PM, Greg Stramback <grog at piratelabs.com> wrote:

> I'm making the assumption that we're expecting a certain percentage of
> garbled / unreadable packets due to two audio sources being combined?
>
> -g-
>
> On Thu, Mar 18, 2010 at 5:56 PM, Albert Alexander <
> albert.alexander at gmail.com> wrote:
>
>> The walkie-talkie is getting audio from two sources. I suggested using a
>> splitter to combine the sources, but this will load down the output
>> transistors unless we add two resistors in series before the splitter. 10k
>> is fine. This will attenuate the current of each signal. We could use a
>> summing amp if we want to avoid the attenuation, or we could just turn up
>> the volume.
>>
>> Will test G1 audio out AC coupling tonight after 5moF
>>
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>>
>
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