need volume booster schematic

prorms · 25th September 2007, 07:56 PM

need a schematic for volume booster
not just regular volume one that use an opamp
one that doesnt add distortion

jaycee · 25th September 2007, 11:02 PM

I'm guessing what you really mean here is that you want a circuit for an audio compressor, as they use on TV commercials to make them sound 5 times louder than the program you're watching!

anatech · 25th September 2007, 11:52 PM

Hi prorms,
Would you please clarify your needs?

An idea of available power supply may come in handy too.

The only thing I understand from your post is that you don't seem to like op amps and that you think they all add distortion.

-Chris

prorms · 26th September 2007, 02:13 AM

i every time i build volume werer need to increase the output
alot of the time i get distortion wondering what would be a good
design to work with

example 25mV to to 8v

anatech · 26th September 2007, 02:48 AM

Hi prorms,
Alright then, what power supply voltages are available to use? What type of system are you working on?

Quote:

example 25mV to to 8v

25 mV is high and 8 V isn't really a signal level. It's higher.

What are you trying to do?

-Chris

prorms · 26th September 2007, 06:42 PM

+ 7 v
-7 v
i can always change the voltage

jaycee · 26th September 2007, 09:23 PM

you want 8V swings with a 7v supply? no wonder it's distorting - it's probably clipping at around 4-5v.

prorms · 26th September 2007, 10:09 PM

what would be a good way get out of this problem

davidallancole · 26th September 2007, 10:36 PM

More voltage.

prorms · 28th September 2007, 01:11 AM

what would be a good opamp design to use that will not cause distortion????

also is thier ant way to stop clipping beside increase power supply???

25th September 2007, 07:56 PM	#1
prorms diyAudio Member Join Date: Nov 2006	need volume booster schematic need a schematic for volume booster not just regular volume one that use an opamp one that doesnt add distortion

25th September 2007, 11:52 PM	#3
anatech diyAudio Moderator Join Date: Jun 2004 Location: Georgetown, On	Hi prorms, Would you please clarify your needs? An idea of available power supply may come in handy too. The only thing I understand from your post is that you don't seem to like op amps and that you think they all add distortion. -Chris __________________ "Just because you can, doesn't mean you should" © my Wife

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25th September 2007, 11:02 PM	#2
jaycee diyAudio Member Join Date: Apr 2004 Location: Norwich, UK	I'm guessing what you really mean here is that you want a circuit for an audio compressor, as they use on TV commercials to make them sound 5 times louder than the program you're watching!

26th September 2007, 02:13 AM	#4
prorms diyAudio Member Join Date: Nov 2006	i every time i build volume werer need to increase the output alot of the time i get distortion wondering what would be a good design to work with example 25mV to to 8v

26th September 2007, 06:42 PM	#6
prorms diyAudio Member Join Date: Nov 2006	+ 7 v -7 v i can always change the voltage

26th September 2007, 09:23 PM	#7
jaycee diyAudio Member Join Date: Apr 2004 Location: Norwich, UK	you want 8V swings with a 7v supply? no wonder it's distorting - it's probably clipping at around 4-5v.

26th September 2007, 10:09 PM	#8
prorms diyAudio Member Join Date: Nov 2006	what would be a good way get out of this problem

26th September 2007, 10:36 PM	#9
davidallancole diyAudio Member Join Date: Nov 2005	More voltage.

28th September 2007, 01:11 AM	#10
prorms diyAudio Member Join Date: Nov 2006	what would be a good opamp design to use that will not cause distortion???? also is thier ant way to stop clipping beside increase power supply???

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