>-----Original Message----- >From: Dwayne Reid [mailto:dwayner@PLANET.EON.NET] >Sent: 05 July 2004 18:26 >To: PICLIST@MITVMA.MIT.EDU >Subject: Re: [OT]: Digital oscilloscope suggestions > > >At 12:50 AM 7/5/2004, Luis Moreira wrote: >>exactly what I am talking about, The Pic ADC is not that fast and you >>have a limit on how fast you can send the data to the PC, >then you have >>to get a program to get that data and display it like an >oscilloscope. >>I think you will find that the use of a system like this is very >>limited... >> >>Luis >> >>>From: Kyrre Aalerud [mailto:kreature@C2I.NET] >>> >>>The pic would run it's ADC as fast as it can, pumping the >data into the >>>paralell port of a PC. That's it. >>>No transforming, no calculations, no work at all. >>> >>>I just wonder if I can sampel fast enough. >>> >>>Kyrre > >Have a look at Dan's approach at > . >He is able to >get the equivalent of 1 MHz sample rate and a >useable 120 KHz response out of an 18f876 running at 20 MHz. > Cicuit Cellar had an article on an alternative method of subsampling using a comparator and PWM. The material that was the basis of the CC article is at http://users.cableaz.com/~cappels/dproj/wfc/wfc.html Regards Mike ======================================================================= This e-mail is intended for the person it is addressed to only. The information contained in it may be confidential and/or protected by law. If you are not the intended recipient of this message, you must not make any use of this information, or copy or show it to any person. Please contact us immediately to tell us that you have received this e-mail, and return the original to us. Any use, forwarding, printing or copying of this message is strictly prohibited. No part of this message can be considered a request for goods or services. ======================================================================= -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads