Re: gEDA-user: [OFF] high current amplifier

[Dave McGuire <mcguire@xxxxxxxxxxxxx>]

On May 20, 2009, at 11:17 AM, John Griessen wrote:
>>    I believe this is commonly referred to as a "Class D" amplifier.
>> It is basically a switching regulator with a loop response time that
>> is fast enough to handle audio frequencies.
>
> Sure.  and he says to operate "around 50 Hz", which I take as 35 to  
> 65 Hz...fog horn.

   Sounds plausible.  And fun. :)

> With a limited required response the digital amp version can be
> simplified.  To simplify to meet a spec is good design.

   Agree 100%.

         -Dave

-- 
Dave McGuire
Port Charlotte, FL



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