longobord at gmail.com
Thu Mar 18 20:44:03 PDT 2010
I think the idea we had was that they were each sending at the same
interval. If they maintain even reasonably good clocks and aren't aligned,
they shouldn't ever overlap. I think their duty cycle is low enough that
this wouldn't be a problem.
(I'm assuming that you mean amateur radio, not an actual walkie-talkie,
"We also briefly discussed having officers replaced by very small shell
scripts." -- Noisebridge meeting notes 2008-06-17
The outer bounds is only the beginning.
On Thu, Mar 18, 2010 at 6:24 PM, Albert Alexander <
albert.alexander at gmail.com> wrote:
> 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?
>> 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
>>> Space mailing list
>>> Space at lists.noisebridge.net
> Space mailing list
> Space at lists.noisebridge.net
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