[AudioI] Microphone Input impedance?

[Matt]

Great to have confirmation. thanks

On 1/5/20 1:19 am, Ron via People wrote:
>
> Hi Matt,
>
> Just a follow up for you and folks reading this thread.   After 
> researching how electret microphone elements work,  I found that most 
> computer type headsets use an electret microphone element. A standard 
> computer type headset works fine when attached to MIC and PHONES 
> connections on the zero.
>
> 73,
> Ron / W4MMP
> On 4/22/2020 01:35, Matt via People wrote:
>>
>> Right, looks good.
>>
>> For the mic. Ground goes to the terminal with the solid white 
>> silkscreen paint around it. The Red "Microphone" connection goes to 
>> the other terminal next to it which has the "+" sign.
>>
>> On 22/4/20 1:16 am, Ron via People wrote:
>>>
>>> Hi Matt,
>>>
>>> We will be wiring the audio hat to a TRRS female connector for the 
>>> headset to plug into.  We will use the MIC holes and the phone holes.
>>>
>>> On 4/21/2020 06:28, Matt via People wrote:
>>>> Ok, I think it is an electret microphone.
>>>>
>>>> Do you have a connector on the headset ? Do you have a link to an 
>>>> image ?
>>>>
>>>> On 18/4/20 1:55 pm, Ron via People wrote:
>>>>> Hi Matt,
>>>>>
>>>>> When I say real microphone,  I mean a microphone of the type that 
>>>>> is used in a headset.  Should I use the RCA port or the MIC port?
>>>>>
>>> -- 
>>> 73,
>>> Ron / W4MMP
>>>
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>
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