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
11-20-17 51561  12V 3W standby PS.pdf
11-22-17 22684  12V ATX Power supply.htm
11-20-17 1553863  12V-5V Standby Power Supply Design - Complete.pdf
11-22-17 15851  13_8 V - 15 A from a PC Power Supply.htm
11-21-17 39767  13_8 V - 15 A from a PC Power Supply.mht
11-22-17 27555  1KW Off Line +-70V SMPS.pdf
11-20-17 476441  1kwflybacksmpsse2.jpg
11-18-17 294734  200 Watt Modified PC Power Supply 13_5 Volt 14 Amps.mht
11-18-17 75142  200W ATX PC POWER SUPPLY.mht
10-31-17 304128  240W off line PS with PFCf.pdf
11-18-17 18977  500w_220v_inverter_corrected__th.jpg
11-22-17 83696  500w_220v_inverter_corrected__th.png
11-23-17 63089  5V 5W standby PS.pdf
11-03-17 10662  5V Switching Power supply.pdf
11-15-17 715217  A New Approach to Switching Regulators.pdf
11-22-17 102463  A simple guide to selecting power MOSFETs.pdf
11-23-17 392601  AN-4106 Multiple Output SMPS using Fairchild Power Switch IC.pdf
11-19-17 153600  ATX PS Design Guide.pdf
11-18-17 46563  ATX Power Supply.gif
11-06-17 290069  ATX Power Supply.jpg
11-19-17 909076  ATX Power supply.mht
11-03-17 415043  Application Note 288 System-Oriented DC-DC Conversion.pdf
11-19-17 472692  Assorted Power Supply Circuits.mht
11-22-17 412031  Audio Noise Suppression Techniques.pdf
11-14-17 496947  Ban Looms for External Transformers.pdf
11-06-17 19201  Best Manufacturing PracticesGuideline DocumentsStdMenu Navy Power Supply Reliability Design and Manufacturing Guidelines.htm
10-26-17 32642  Bi-Polar Power Supply With LM386.gif
11-23-17 88639  Bi-Polar Power Supply With LM386.jpg
11-23-17 89018  Building a DC-DC Power Supply that Works.pdf
11-22-17 210113  Charge Pump Inverters.sch
11-18-17 1196363  Common Mode Filter Inductor Design.zip
11-16-17 24825  DC Inductor Design Examples.mht
11-20-17 136583  DC-DC Converter Tutorial.pdf
11-18-17 59392  DC-to-DC Converter Combats EMI.pdf
11-21-17 41985  Design of Switch Mode Power Supplies.mht
11-07-17 13863  Design of switch power supplies.htm
11-11-17 583088  Designing Multi output power supplies - an22.pdf
11-18-17 249424  Designing Ventilation Grilles.pdf
11-08-17 30090  EDN Access--03_14_97 Spreadsheet simplifies switch-mode power-supply flyback-transformer design.htm
11-14-17 106245  Flyback Transformer Design for Topswitch.pdf
11-19-17 147648  Frequently Asked Questions About MAGNETICS Materials.pdf
10-25-17 163540  Glossary of Electronic and Engineering Terms; Voltage Quadrupler.mht
11-20-17 43948  Half-Bridge Push-Pull Converter Design Tool.mht
11-23-17 30932  Help for Half-Bridge Push-Pull Converter Design Program.mht
11-18-17 16902  Help for Half-Bridge Push-Pull Converter.htm
11-18-17 33893  High-V DC-DC Converter Is Ideal for MEMS.pdf
11-22-17 267962  Implementing Flyback Transformer Design for Continuous Mode.mht
11-03-17 1131440  Inverter Core Selection.pdf
11-23-17 55284  Iron Powder Cores.mht
11-22-17 967327  KA5L0380R 3A 800V Power Switch.pdf
11-06-17 364515  Large capacitor charge controllers - Car Audio.pdf
11-18-17 74530  Lvps.gif
11-07-17 24155  Lvps.jpg
11-06-17 6189  Lvps.txt
11-21-17 198656  MC44603 in a 110W Output SMPS Application.pdf
11-19-17 26618  MOSFET Drive.pdf
11-20-17 253734  Making Voltage Doublers and Multipliers - Electric Circuit.mht
11-17-17 111664  Navy Power Supply Reliability Design and Manufacturing Guidelines - Index.mht
11-23-17 31076  One 9V battery gives +18, +25, +33V.pdf
11-22-17 35547  Output Transformer Design and Winding.mht
11-21-17 493690  PC Main PS.pdf
11-06-17 13211912  PI Expert Power Supply Design Software Ver 4.0.4.exe
11-21-17 25825  PSSchematic.gif
11-21-17 140186  PSSchematic.jpg
11-22-17 267251  Power Supply Design 4.2 DESIGN FOR RELIABILITY.xps
11-18-17 266219  Power Supply Design 4.5 MANUFACTURING CONSIDERATIONS.xps
11-06-17 37084  Power Supply Instability.mht
11-12-17 391168  Power supply design techniques for EMI and Safety.pdf
11-22-17 15894  Power_Supply_Balanced_Microphone_Preamplifier_Circuit_Diagram.jpg
11-03-17 38498  Power_Supply_Balanced_Microphone_Preamplifier_Circuit_Diagram.png
11-18-17 6642  RECYCLING OBSOLETE COMPUTER POWER SUPPLIES.mht
11-19-17 35600  Reverse Engineering an Output Transformer - Nondestructively.mht
11-22-17 81688  SB-Projects PC PSU Repair Tips.mht
11-20-17 2671898  Simple power supply voltage splitters based on audio amplifiers - Part 3.mht
10-21-17 130796  Soft-Start Circuit For Power Amps.mht
11-18-17 144504  Spectro-202-scamp-BW.gif
11-19-17 52364  Spectro-202-scamp-BW.jpg
11-23-17 65822  Spreadsheet simplifies switch-mode power-supply flyback-transformer design.mht
11-21-17 8726  Suppy Rail Splitter.gif
11-19-17 30584  Suppy Rail Splitter.jpg
11-01-17 2884122  TI Power Reference Design Cookbook.pdf
11-13-17 1119808  TLE2426 20mASupply Rail Splitter IC.pdf
11-22-17 252615  TOPSwitch Tips, Techniques & Troubleshooting Guide.pdf
11-20-17 3475  Topswitch SWPS.htm
11-02-17 211178  Transformer Construction.pdf
11-07-17 247020  Transformer Design Consideration for off-line Flyback Converters AN-4140.pdf
11-04-17 115100  Transient suppression techniques.pdf
11-22-17 496524  UN61.pdf
11-22-17 255971  UN61_Schaltschema.pdf
11-13-17 40202  USB-Powered Bipolar Supply.pdf
11-21-17 32315  Underestimating Complexity of Power Supply Design.mht
11-08-17 2029099  Virtual Ground (regulated!) - and Rail Splitter Circuits!.mht
11-18-17 103897  Virtual Ground Circuits.mht
11-18-17 6208  Voltage Doubler.gif
11-23-17 29980  Voltage Doubler.jpg
11-20-17 1361407  Voltage Multiplier and Voltage Doubler Circuits.mht
11-10-17 32958  alpinedrive.gif
11-23-17 88034  alpinedrive.jpg
11-20-17 381417  chfsdltw.pdf
11-22-17 46052  ckt.jpg
11-20-17 72115  ckt2.jpg
11-22-17 27519  ckt3.jpg
11-20-17 27245  ckt4.jpg
11-11-17 86406  core ZR-42915-TC.pdf
11-03-17 25887  hgw_smps_in_e.pdf
11-16-17 4359434  ipc4spsi.pdf
11-20-17 14283  klz1250418274p.jpg
11-02-17 77687  new.jpg
11-21-17 25650  newsch.jpg
11-03-17 248098  ocpcmic.pdf
11-22-17 63791  phan_supp.jpg
11-21-17 28428  phantsch.gif
11-22-17 194551  phantsch.jpg
11-21-17 75124  powersupli2.gif
11-22-17 205012  powersupli2.jpg
11-22-17 54538  powersupli3.gif
11-01-17 128241  powersupli3.jpg
11-21-17 61563  powersupli4.gif
11-18-17 161846  powersupli4.jpg
11-04-17 88965  powersupli5.gif
11-19-17 271187  powersupli5.jpg
11-22-17 25971  pr_05f_cta_pwm_2.GIF
11-16-17 145388  pr_05f_cta_pwm_2.jpg
11-18-17 29285  rfi_cap_voltage.pdf
11-22-17 82364  switchmodecoreloss.pdf
11-20-17 20497  tl494.jpg
11-05-17 125642  tl494alternatefb1ln.jpg
11-14-17 891769  ucc37322.pdf
11-02-17 32064  untitled.gif
11-22-17 74348  untitled.jpg

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