I'm wrong.  80Vp-p @ 50 Ohms is actually 16W!
If the output goes to +40V or -40V and stays there, the power would be 32W.

Kerry


Kerry Wentworth wrote:
> It ain't?  Correct me if I'm wrong, but 80Vp-p @ 50Ohms is 64W, is it not=
?
> And you could eliminate the capacitor and add a pot to adjust the=20
> offset.  But if the minimum frequency is 30Hz, why would it need to be=20
> DC coupled?
> It is unlikely that you will find EXACTLY what you want already designed=
=20
> for you, but something close that can be easily adapted might be possible=
..
>
>
> Kerry
>
>
>
> Electron wrote:
>  =20
>> Thanks a lot.. but the input is not DC coupled, I think I could cope
>> with it but just to make sure I'd prefer a DC coupled version, if anyone
>> has this. Moreover, 80W ain't just enough for my application. :(
>>
>>
>> At 16.08 2011.08.15, you wrote:
>>  =20
>>    =20
>>> Electron wrote:
>>>    =20
>>>      =20
>>>> Hello,
>>>> I have a signal generator which can output 10Vpp.
>>>>
>>>> I need 80Vpp @ 50 ohm or less, so I need a 150+ W power amp,
>>>> preferably DC coupled. Frequency response can be in the audio
>>>> range, of course the more the better, but right now for my
>>>> project I only need 30..700 Hz.
>>>>
>>>> Can You please suggest me a schematics and/or IC? I need it in
>>>> a hurry so I don't have the time to design it.. I just need it
>>>> to work for now, but I plan to make a real good one later, as
>>>> I've been wanting a power amp after my signal generator for
>>>> ages, but I'm now in the moment when I really need it bad.
>>>>
>>>> Greets,
>>>> Mario
>>>>
>>>>  =20
>>>>      =20
>>>>        =20
>>> Try this:
>>>
>>> http://sound.westhost.com/project3a.htm
>>>
>>> Kerry
>>>    =20
>>>      =20
>
>  =20

--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.