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09/04/2010
Ideas for the future of the site -
Here are some ideas I've been brainstorming. I don't think to much of the site should change, because it has been successful all these years with very little change. still nearly 1000 visitors a day to the site!
  • donations - I think it might be time to make some changes to the donations. I would rather see people get a lifetime membership and not have to worry about an expire date. here's an idea, a smaller recurring payment monthly, or 4 times a year, then maybe offer a second option, donate enough to cover the cost of the server for one month and you'll get a lifetime membership that never expires.
  • automated account creation - the membership process should be automated. I rarely hear a complaint about anything, but I don't think people feel so safe emailing me a username and password to set up an account. I think people may feel more safe dealing with an automated system. make a donation, then type your account into right in to the computer and have it set up on the spot.
  • members only forum - the site doesn't seem to need a full forum, but it could still benefit from a single simple board or mailing list, maybe. still optional, but maybe only available to members. non-members wouldn't be able to post on or see the forum. for those who donate to openly communicate.
You can send me your comments in the form above. I'm not putting any work into these changes without getting feedback from you!
If we have any web developers out there, we'd love your help! come on, my birthday's tomorrow!


12/20/2009
Better forum? -
We are currently using vbulletin, but maybe there's a simpler alternative that would better fit the site. What do you think of this one? http://schematicforums.com/seo/ Please let us know what you think, keep vBulletin, or switch to SEO. Comment box is below.


09/29/2009
ideas or comments?
please send us your comments or suggestions or any ideas you might have for the site. this is the easiest way for you to let us know what you think. just type in the box above and send.

Thank you, everyone who has helped support the site over the years. you've done your part, now help me do my part to improve the site with your input.




11/25/2009
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The bandwidth reset time is now set to 20 hours instead of a week. We hope this helps you get what you need without causing any problems with the site.


05/07/2008
new server -
this week, we've moved the website to a bigger faster server. we have doubled the weekly download limit to 20mb and are now allowing hot-linking, so more people can get the documents they're looking for. this new server is still relatively low cost, but is a bit more to pay for each month then the last server. we still need your donations to help with this. thank you all who have supported the site and community!!!


01/24/2008
upload files - upload.schematicsforfree.com If you have files you'd like to add to the site, we'd love to add them. Please don't upload anything illegal, harmful, or copyrighted. We will do our best to screen the files and put them online.


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Folders
 GYRATORS


Last Accessed Size  File
09-03-10 41692  Active Filter - Afilter - Design Software.zip
09-09-10 188269  Active Filter - Analog Filter Design.PDF
09-09-10 15221  Active Filter - Bass Sensualizer.pdf
08-25-10 229984  Active Filter - Filter-Dual Slope.pdf
09-03-10 442709  Active Filter - Filter2.zip
08-20-10 99760  Active Filter - Inverting A Filter's Response Curve.pdf
09-01-10 411081  Active Filter - Scratch & Rumble Filter.pdf
08-31-10 411081  Active Filter - Scratch And Rumble Filter.pdf
09-09-10 97525  Active Filter - Stereo Rumble Filter.pdf
09-03-10 680716  Active Notch Filter Theory.pdf
08-22-10 373232  Analog Filter Design Demystified.pdf
08-22-10 91136  Analysis Of The Sallen-Key Architecture.pdf
09-03-10 872138  Assorted Filter Circuits.zip
08-22-10 173566  Audio Bandpass Filter.gif
09-09-10 43693  Bandpass Filter 2.pdf
09-06-10 18855  Bandpass Filter.pdf
09-06-10 927791  Basic Active Filter Circards.pdf
09-03-10 7942  Bass Beat Extractor.gif
09-03-10 28077  Bass Sensualizer Cad 1990.gif
09-03-10 15307  Bass Sensualizer Hand Drawn 1979.gif
09-09-10 91445  Bass Sensualizer.pdf
08-22-10 112512  Comb Filter Design.pdf
08-25-10 41761  Complementary Twin T FIlter.pdf
09-01-10 348449  Designing & Using Active Filters Part 3.pdf
09-02-10 800931  Designing Active Ac Filters.pdf
08-28-10 348449  Designing And Using Active Filters Part 3.pdf
09-08-10 710275  Designing Transfomer Based Filters Using Analogs.pdf
08-31-10 122692  Digitally Programmed Analog Filter.pdf
09-05-10 24538  Dynamic Noise Filter.pdf
08-28-10 16489  Elliptic Low Pass Filter.pdf
09-03-10 5974  Filter Butterworth 12Db.gif
09-06-10 411166  Filter Design.pdf
09-03-10 23925  Fir Filter Implementation.zip
09-01-10 18354  Girator2.JPG
08-26-10 31255  Hum Stopper.pdf
09-06-10 733703  Low Frequency Filter for your Hi-Fi.pdf
08-22-10 7739  M-B Lp Example.gif
09-03-10 14655  M-B Lp Guide.gif
09-07-10 136021  New Filter Designs of 1968.pdf
08-20-10 159956  Noise And Interference Filter For Short Wave Receivers.pdf
08-22-10 260949  Non Linear Low Pass Filter Rejects Impulse Noise.pdf
08-20-10 59265  Notch Filter - Adjustable Bandwidth.pdf
08-30-10 12073  Notch Filter.pdf
08-31-10 205099  Passive Filter Design Part 2.pdf
07-29-10 324590  Program to compute resonse of RLC networks.pdf
07-29-10 329323  RC Filter Chart.pdf
08-31-10 215453  SR-56 Filter Analysis Program.pdf
09-07-10 55201  Selective Amplifier.pdf
07-29-10 117484  Sinclair Project 60 Active Filter Unit.pdf
08-26-10 49059  Stereo Noise Filter.pdf
09-07-10 334282  Stereo Roto Blender.pdf
09-05-10 282856  Stereo Rumble Filter.pdf
08-26-10 99502  Stereo Simulator.pdf
09-01-10 20375  Subsonic Filter.pdf
08-30-10 69010  Tunable Notch Filter Suppresses Hum.pdf
08-31-10 691524  Two Interference Nullers.pdf
09-08-10 688323  Understanding Active Filters.pdf
08-31-10 35776  Variable Band Pass Filter.pdf
08-30-10 8556  WS_FTP.LOG
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