Index of /Power Electronics/Power Supplies
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03/06/2014
Still online, we are. The code for this website is getting old, but still works well as far as I've seen. I may update it with new code and new features eventually, one day when I have both free time and focus. Until then, the content is still useful, I'm keeping it online. Comments and donations are welcome, but include your email address if you want a reply.


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.


<-- Old News -->


[To Parent Directory]

Folders
 12V ATX Power supply_files
 13_8 V - 15 A from a PC Power Supply_files
 Best Manufacturing PracticesGuideline DocumentsStdMenu Navy Power Supply Reliability Design and Manufacturing Guidelines_files
 Circuits
 Design of switch power supplies_files
 EDN Access--03_14_97 Spreadsheet simplifies switch-mode power-supply flyback-transformer design_files
 Help for Half-Bridge Push-Pull Converter_files
 IR Reference Design
 Navy Power Supply Reliability Book
 Parts
 Phantom
 Products
 Switch Mode Power Supplies
 Switching Power Supplies
 Topswitch SWPS_files


Last Accessed Size  File
09-23-17 51561  12V 3W standby PS.pdf
09-25-17 22684  12V ATX Power supply.htm
09-24-17 1553863  12V-5V Standby Power Supply Design - Complete.pdf
09-23-17 15851  13_8 V - 15 A from a PC Power Supply.htm
09-25-17 39767  13_8 V - 15 A from a PC Power Supply.mht
09-25-17 27555  1KW Off Line +-70V SMPS.pdf
09-23-17 476441  1kwflybacksmpsse2.jpg
09-20-17 294734  200 Watt Modified PC Power Supply 13_5 Volt 14 Amps.mht
09-13-17 75142  200W ATX PC POWER SUPPLY.mht
09-25-17 304128  240W off line PS with PFCf.pdf
09-24-17 18977  500w_220v_inverter_corrected__th.jpg
09-25-17 83696  500w_220v_inverter_corrected__th.png
09-25-17 63089  5V 5W standby PS.pdf
09-24-17 10662  5V Switching Power supply.pdf
09-23-17 715217  A New Approach to Switching Regulators.pdf
09-25-17 102463  A simple guide to selecting power MOSFETs.pdf
09-24-17 392601  AN-4106 Multiple Output SMPS using Fairchild Power Switch IC.pdf
09-24-17 153600  ATX PS Design Guide.pdf
09-23-17 46563  ATX Power Supply.gif
09-24-17 290069  ATX Power Supply.jpg
09-13-17 909076  ATX Power supply.mht
09-23-17 415043  Application Note 288 System-Oriented DC-DC Conversion.pdf
09-24-17 472692  Assorted Power Supply Circuits.mht
09-25-17 412031  Audio Noise Suppression Techniques.pdf
09-24-17 496947  Ban Looms for External Transformers.pdf
09-13-17 19201  Best Manufacturing PracticesGuideline DocumentsStdMenu Navy Power Supply Reliability Design and Manufacturing Guidelines.htm
09-23-17 32642  Bi-Polar Power Supply With LM386.gif
09-25-17 88639  Bi-Polar Power Supply With LM386.jpg
09-23-17 89018  Building a DC-DC Power Supply that Works.pdf
09-13-17 210113  Charge Pump Inverters.sch
09-25-17 1196363  Common Mode Filter Inductor Design.zip
09-25-17 24825  DC Inductor Design Examples.mht
09-25-17 136583  DC-DC Converter Tutorial.pdf
09-25-17 59392  DC-to-DC Converter Combats EMI.pdf
09-17-17 41985  Design of Switch Mode Power Supplies.mht
09-24-17 13863  Design of switch power supplies.htm
09-24-17 583088  Designing Multi output power supplies - an22.pdf
09-24-17 249424  Designing Ventilation Grilles.pdf
09-24-17 30090  EDN Access--03_14_97 Spreadsheet simplifies switch-mode power-supply flyback-transformer design.htm
09-25-17 106245  Flyback Transformer Design for Topswitch.pdf
09-24-17 147648  Frequently Asked Questions About MAGNETICS Materials.pdf
09-25-17 163540  Glossary of Electronic and Engineering Terms; Voltage Quadrupler.mht
09-20-17 43948  Half-Bridge Push-Pull Converter Design Tool.mht
09-20-17 30932  Help for Half-Bridge Push-Pull Converter Design Program.mht
09-25-17 16902  Help for Half-Bridge Push-Pull Converter.htm
09-25-17 33893  High-V DC-DC Converter Is Ideal for MEMS.pdf
09-13-17 267962  Implementing Flyback Transformer Design for Continuous Mode.mht
09-24-17 1131440  Inverter Core Selection.pdf
09-24-17 55284  Iron Powder Cores.mht
09-24-17 967327  KA5L0380R 3A 800V Power Switch.pdf
09-25-17 364515  Large capacitor charge controllers - Car Audio.pdf
09-25-17 74530  Lvps.gif
09-23-17 24155  Lvps.jpg
09-25-17 6189  Lvps.txt
09-24-17 198656  MC44603 in a 110W Output SMPS Application.pdf
09-24-17 26618  MOSFET Drive.pdf
09-24-17 253734  Making Voltage Doublers and Multipliers - Electric Circuit.mht
09-24-17 111664  Navy Power Supply Reliability Design and Manufacturing Guidelines - Index.mht
09-24-17 31076  One 9V battery gives +18, +25, +33V.pdf
09-25-17 35547  Output Transformer Design and Winding.mht
09-24-17 493690  PC Main PS.pdf
09-25-17 13211912  PI Expert Power Supply Design Software Ver 4.0.4.exe
09-24-17 25825  PSSchematic.gif
09-20-17 140186  PSSchematic.jpg
09-24-17 267251  Power Supply Design 4.2 DESIGN FOR RELIABILITY.xps
09-25-17 266219  Power Supply Design 4.5 MANUFACTURING CONSIDERATIONS.xps
09-19-17 37084  Power Supply Instability.mht
09-23-17 391168  Power supply design techniques for EMI and Safety.pdf
09-25-17 15894  Power_Supply_Balanced_Microphone_Preamplifier_Circuit_Diagram.jpg
09-25-17 38498  Power_Supply_Balanced_Microphone_Preamplifier_Circuit_Diagram.png
09-14-17 6642  RECYCLING OBSOLETE COMPUTER POWER SUPPLIES.mht
09-24-17 35600  Reverse Engineering an Output Transformer - Nondestructively.mht
09-20-17 81688  SB-Projects PC PSU Repair Tips.mht
09-25-17 2671898  Simple power supply voltage splitters based on audio amplifiers - Part 3.mht
09-25-17 130796  Soft-Start Circuit For Power Amps.mht
09-23-17 144504  Spectro-202-scamp-BW.gif
09-25-17 52364  Spectro-202-scamp-BW.jpg
09-24-17 65822  Spreadsheet simplifies switch-mode power-supply flyback-transformer design.mht
09-24-17 8726  Suppy Rail Splitter.gif
09-24-17 30584  Suppy Rail Splitter.jpg
09-24-17 2884122  TI Power Reference Design Cookbook.pdf
09-25-17 1119808  TLE2426 20mASupply Rail Splitter IC.pdf
09-23-17 252615  TOPSwitch Tips, Techniques & Troubleshooting Guide.pdf
09-25-17 3475  Topswitch SWPS.htm
09-25-17 211178  Transformer Construction.pdf
09-24-17 247020  Transformer Design Consideration for off-line Flyback Converters AN-4140.pdf
09-24-17 115100  Transient suppression techniques.pdf
09-25-17 496524  UN61.pdf
09-25-17 255971  UN61_Schaltschema.pdf
09-24-17 40202  USB-Powered Bipolar Supply.pdf
09-24-17 32315  Underestimating Complexity of Power Supply Design.mht
09-16-17 2029099  Virtual Ground (regulated!) - and Rail Splitter Circuits!.mht
09-17-17 103897  Virtual Ground Circuits.mht
09-25-17 6208  Voltage Doubler.gif
09-24-17 29980  Voltage Doubler.jpg
09-21-17 1361407  Voltage Multiplier and Voltage Doubler Circuits.mht
09-19-17 32958  alpinedrive.gif
09-25-17 88034  alpinedrive.jpg
09-25-17 381417  chfsdltw.pdf
09-25-17 46052  ckt.jpg
09-24-17 72115  ckt2.jpg
09-25-17 27519  ckt3.jpg
09-24-17 27245  ckt4.jpg
09-24-17 86406  core ZR-42915-TC.pdf
09-23-17 25887  hgw_smps_in_e.pdf
09-25-17 4359434  ipc4spsi.pdf
09-25-17 14283  klz1250418274p.jpg
09-18-17 77687  new.jpg
09-15-17 25650  newsch.jpg
09-23-17 248098  ocpcmic.pdf
09-23-17 63791  phan_supp.jpg
09-23-17 28428  phantsch.gif
09-25-17 194551  phantsch.jpg
09-21-17 75124  powersupli2.gif
09-24-17 205012  powersupli2.jpg
09-24-17 54538  powersupli3.gif
09-24-17 128241  powersupli3.jpg
09-20-17 61563  powersupli4.gif
09-23-17 161846  powersupli4.jpg
09-25-17 88965  powersupli5.gif
09-24-17 271187  powersupli5.jpg
09-24-17 25971  pr_05f_cta_pwm_2.GIF
08-28-17 145388  pr_05f_cta_pwm_2.jpg
09-25-17 29285  rfi_cap_voltage.pdf
09-23-17 82364  switchmodecoreloss.pdf
09-23-17 20497  tl494.jpg
09-24-17 125642  tl494alternatefb1ln.jpg
09-25-17 891769  ucc37322.pdf
09-23-17 32064  untitled.gif
09-24-17 74348  untitled.jpg

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