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try to search on google for "brain wave".
here is a link with all details of circuit and goggles with LED's
http://www.hackcanada.com/homegrown/wetware/brainwave/index.html
hope this helps
kileen
Re: Pulse width modulation
My turn to apologise...I too was on a vacation...
Seveseg...Will a inductor alone offer the necessary reactance for the low pass filter ?
I do have doubts and feel you would need a capacitance at the output side..
Re: Pulse width modulation
I think we are missing the basics here. A higher freq PWM signal has to be passed thru a low pass filter to recover the sine wave info in it. Try it.
sp0256a
i have some old files related to spo256. I don't know much as to where I got them from but I think you may get some from :
ftp://ftp.armory.com/pub/user/rstevew/CTSPO256
curve tracer circuit
check this app note from maxim:
**broken link removed**
it is titled as:
PC Printer Port Controls I-V Curve Tracer
hope this helps
The maximum mechanical output is at electrical resonance frequency.
But, the resonance freq is sharp and because of sharp sides of the response curve mechanical output energy varies with even the slightest variation in driving frequency. I want to know how to flatten the response so that...
These are some links that I had collected some time back for a friend. Check if they are useful:
hxxp://www.muzique.com/schem/projects.htm
hxxp://users.chariot.net.au/~gmarts/ampsmain.htm
hxxp://www.montagar.com/~patj/gindex.htm
hxxp://geofex.com/effxfaq/schemptr.htm...
ups with pic micro
Maybe offtopic but here is a 15kw 3 phase inverter in the design stage...
hxxp://hot-streamer.com/hilo90mhz/electronics/Inverter/inverter2.htm
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