Low frequency multiplier... Suggestions/info needed.

[HankMcSpank]

Thanks Henrik... I'm not sure on the precision until I actually try the results on a guitar.... but at a guess I'd need measure the input 82Hz through 1500hz to say 0.1% accuracy .....and then multiply the output upto a top frequency 3000Hz at a similar accuracy.

but as you rightly say, rather than muddy this one, I'll start a new thread!

[kellyseye]

Would it be off-course to suggest you use discrete circuitry to detect the rising and falling edges of the squarewave and output a pulse at the detection of each?

[mackrackit]

Would it be off-course to suggest you use discrete circuitry to detect the rising and falling edges of the squarewave and output a pulse at the detection of each?

That would be like asking someone to blink a LED without using a MCU... What nerve