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Need a avoice or analog delay circuit or chips.

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pico

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Hello,
I need a avoice or analog delay circuit or chips.
Any body can help me please.

Thanks in advance.
 

flatulent

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reticon

EG&G Reticon once made charge coupled device analog delay lines.

Fairchild also makes them.

**broken link removed**

If you want to use a PIC type device, you can ADC, FIFO in memory, and then DAC.
 

johnseven

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Audio delay

As elektrodians suggested, there are many ways to do your project.
Key words: bucket brigade, analog delay line, ...

If you need high quality go 16 bit A/D , FIFO, D/A. Complex.
For medium quality use the much simpler analog delay line.
Those are used in guitar pedal effects. Around US$120.

Look into Radio Shack (and Digikey, etc) website for analog delay line chips.

FIFO s used to be very easy to build with SRAM and FIFO controller chips, now discontinued.

I can explain a little more on how to build a FIFO using SRAMS, if you're interested.
j7
 

MielGibson

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Try DigiKey. Look for MN3008 bucket brigade devices (BBD)made by Matsushita(Panasonic).
 

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