[AudioI] zero soundcard with phantom power

[Francois Dion]

Behringer PS400 is about $30 street price and does the job. Provides about
30mA on 48V. Can also power phantom 12V.


Francois Dion, Chief Data Scientist
Dion Research LLC | Analytics, Data Science & Visualization
dionresearch.com | @DionResearchLLC | PO BOX 12786 | WINSTON-SALEM NC 27117



On Sat, Sep 19, 2020 at 12:02 PM Randy Reichenbach via People <
people at lists.audioinjector.net> wrote:

> That would be nice, right?  You could certainly add phantom power to a
> Zero card, but understand that Pro mics like the NT5 require 48VDC phantom
> power, and the Pi and AI Zero just have 5v and 3.3v onboard.
>
> So, you could add a separate phantom power supply.  Plenty of examples of
> that if you google.
>
> Or you could use a buck/boost converter to take the 5V and boost it to
> 48.  Mics only require single digits of mA, so the power requirement is
> actually rather low.
>
> Here's an example of a 9v to 48v.
> https://www.electronics-lab.com/project/9v-to-48v-dc-dc-converter/
>
> The spec for that regulator:
> https://www.sparkfun.com/datasheets/IC/MC34063A.pdf
>
> suggests it'll work down to 3v, so there you go.
>
> OR it's likely that AudioInjectors Preamp board would have you covered,
> though strangely, it doesn't mention phantom power.  As much as I love my
> AI cards, I find the available info about them to be rather lacking.
> http://www.audioinjector.net/xlr-preamp
>
>
>
> On Sat, Sep 19, 2020 at 1:55 AM Serge Ortega via People <
> people at lists.audioinjector.net> wrote:
>
>> Hi everybody
>>
>> I would like to know if it is possible to use a standard electret
>> microphone (like Rode NT5 for instance) with a zero soundcard ?
>> Is the power like a phantom ?
>>
>> Thanks for your answer
>> Sergio
>>
>>
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>>
>
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