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Building a Low-Cost Frequency/Function Generator

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Max The Magnificent
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Re: Envy?
Max The Magnificent   6/11/2014 4:18:00 PM
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@MeasurementBlues: Are you implying that analog circuit have no accuracy?

Of course not -- I'm saying it out loud

MeasurementBlues
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Re: Envy?
MeasurementBlues   6/11/2014 4:05:41 PM
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@max But I need something that works accuracy :-)

Are you implyingthat analog circuit have no accuracy? Actually, it's called uncertainly.

 

Max The Magnificent
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Re: Envy?
Max The Magnificent   6/11/2014 3:46:50 PM
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@MeasurementBlues: ...He asked for a frequency counter, too...

So you gave him a stopwatch and told him to play a tone through a Bluetooth speaker and start counting...

Max The Magnificent
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Re: Envy?
Max The Magnificent   6/11/2014 3:45:22 PM
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@MeasurementBlues: They have analog circuits for that...

But I need something that works accuracy :-)

MeasurementBlues
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Re: Envy?
MeasurementBlues   6/11/2014 3:40:00 PM
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@Max It's unfortunate that he'd asked for a new lawnmower :-)

He asked for a frequency counter, too.

MeasurementBlues
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Re: Envy?
MeasurementBlues   6/11/2014 3:38:54 PM
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@Max I wanted it as an electrical signal whose voltage amplitude and offset I could control.

They have analog circuits for that, but your a digital guy.

Max The Magnificent
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Re: Envy?
Max The Magnificent   6/11/2014 3:35:10 PM
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@MeasurementBlues: ...I once made an audio oscillator for my father using a 555 timer...

It's unfortunate that he'd asked for a new lawnmower :-)

 

Max The Magnificent
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Re: Envy?
Max The Magnificent   6/11/2014 3:34:07 PM
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@MeasurementBlues: Would you like me to make a video to demonstrate?

Only if you do it in mime! LOL

Max The Magnificent
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Re: Envy?
Max The Magnificent   6/11/2014 3:33:25 PM
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@Measurement blues: ...when you can get a free app for your phone and have it play on a Bluetooth speaker?

I did talk about iPad/iPhone/iPod apps and explained why I decided not to use them (sit up and pay attention man!). Also I don;t want to play the tone through a speaker -- I wanted it as an electrical signal whose voltage amplitude and offset I could control.

MeasurementBlues
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Re: Envy?
MeasurementBlues   6/11/2014 3:29:30 PM
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@Max, I once made an audio oscillator for my father using a 555 timer and then filtering out some of the harmonics.

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