Index of /Audio/Circuits/POWER AMPLIFIERS-CLASS-D
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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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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
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Last Accessed Size  File
03-04-15 1763938  120 W x 2 Channel Class D Audio Power Amplifier Using IRS20955 and IRF6645.pdf
03-04-15 80630  1200W Class D Power Amp.pdf
03-04-15 12425  12V Class D amp.pdf
03-04-15 213515  16W+16W Stereo Class-D Amplifier 50W Mono Btl.pdf
03-03-15 1772348  1kW Buffered To220 IRS2092 Class D Amp using modified IRAUDAMP5 rev2d.pdf
03-04-15 558146  A Little Theory Of Class-D Amplifiers.PDF
03-03-15 103424  A Simple Guide To Selecting Power Mosfets.pdf
03-03-15 2046360  Amplifier-Power - Digital 200W - Hip4080.pdf
03-02-15 1572389  Amplifier-Power-Class D - Digital Power Amplifier - Hip4080.pdf
03-02-15 1572389  Amplifier-Power-Class_D_-_Digital_Power_Amplifier - HIP4080.pdf
03-03-15 2046360  Amplifier-Power_-_Digital_200W - HIP4080.pdf
03-04-15 254976  Analog PWM Amplifier.pdf
03-02-15 254976  Analog Pwm Amplifier.pdf
02-22-15 1007682  Assorted Class D stuff.zip
03-02-15 954643  Assorted Class-D Info.ZIP
03-03-15 1572389  Build A 200W Class D Power Amplifier For Your Car.PDF
03-04-15 782839  CLASS D - HUYGENS MCD TECHNOLOGY.xps
03-03-15 5121  CLASS D PWM car amp with no inverter - 7406 Sub.jpg
03-03-15 30686  CLASS D PWM car amp with no inverter - output transormer.jpg
03-04-15 55103  CLASS D PWM car amp with no inverter.jpg
03-04-15 72551  Car Amp 1.pdf
03-02-15 98428  Car Amp 2.pdf
03-02-15 100530  Class D Amp App Note From On Semi.pdf
03-03-15 84093  Class D Amp Development 30 Dev.ZIP
03-04-15 19849  Class D Amp Level Shifter For Half Bridge Operation.JPG
03-04-15 38848  Class D Amp a6rg2.jpg
03-04-15 100530  Class D Amp app note from ON Semi.pdf
03-04-15 12911  Class D Amp design Idea.gif
03-03-15 176397  Class D Amp.ZIP
03-02-15 1664539  Class D Amplification Circa 1965.pdf
03-04-15 13824  Class D Amplifier Calculations - Texas Instruments.xls
03-04-15 90804  Class D Amplifier Discrete Driver Stage.JPG
03-02-15 20480  Class D Amplifier Power Out vs Current.xls
03-04-15 12911  Class D Amplifier with Discrete Level Shifter.gif
03-02-15 168960  Class D Amplifiers - Interactive Simulations.PDF
02-28-15 514054  Class D Amplifiers Fundamentals of Operation and Recent Developments.mht
03-03-15 55307  Class D Amplifiers Provide High Efficiency For Audio Systems.PDF
02-26-15 396689  Class D Audio Amplifier Output Filter Optimization - Maxim.mht
02-19-15 53110  Class D Audio Amplifier Output Filter Optimization.mht
03-02-15 521644  Class D Audio Amplifier Output Filter Optimization.pdf
02-28-15 311700  Class D Audio Amplifier Output Filter Optimization.xps
03-02-15 242688  Class D Audio Amplifier Performance Relationship to MOSFET Parameters.pdf
02-28-15 55762  Class D Audio Amplifiers - Theory and Design.mht
02-17-15 852144  Class D Audio Amplifiers - Theory and Design.xps
03-03-15 277814  Class D Audio Amplifiers - What Why and How.pdf
03-04-15 21504  Class D Design Guide.pdf
02-23-15 52167  Class D Discussion.PDF
03-01-15 230400  Class D For Diy.pdf
03-04-15 77481  Class D IC amps.PDF
03-03-15 77481  Class D Ic Amps.PDF
02-25-15 70015  Class D OEM product FAQ.mht
02-07-15 17231  Class D Oem Product Faq.ZIP
02-19-15 5213  Class D Power Calculator Excel Spreadsheet.ZIP
02-25-15 24576  Class D Power Calculator.xls
02-28-15 253967  Class D Product FAQ.xps
02-19-15 79638  Class D Pwm Amp With No Inverter.ZIP
03-02-15 5121  Class D Pwm Car Amp With No Inverter - 7406 Sub.JPG
03-02-15 30686  Class D Pwm Car Amp With No Inverter - Output Transormer.JPG
03-04-15 55103  Class D Pwm Car Amp With No Inverter.JPG
03-04-15 1656605  Class D Subwoofer Amp.pdf
03-04-15 1409804  Class D Tutorial.pdf
03-02-15 72551  Class D amp with IR Driver Chip.pdf
02-27-15 13824  Class D amplifier Calculations - Texas Instruments.xls
03-01-15 127758  Class D amplifier using TL494.jpg
03-03-15 55307  Class D amplifiers provide high efficiency for audio systems.PDF
02-24-15 225235  Class D amplifiers provide high efficiency for audio systems.xps
02-17-15 283649  Class D amplifiers.xps
03-03-15 168960  Class D audio-power amplifiers - Interactive simulations.pdf
03-04-15 168960  Class D audio-power amplifiers.pdf
02-14-15 52167  Class D discussion.PDF
03-04-15 230400  Class D for DIY.pdf
03-01-15 13703  Class-D Amp 11_mk1-1b-schalt.gif
03-03-15 1664539  Class-D Amplification Circa 1965.pdf
02-26-15 537864  Class-D LC Filter Design.pdf
03-03-15 918783  Class-D Stereo Amplifier (Not in English).pdf
03-02-15 288538  ClassD2.pdf
03-02-15 60697  Combined Power Supply And Audio Amplifier.PDF
03-04-15 112938  Component selection, layout lead to success with Class D audio amps.mht
02-27-15 464502  Component selection, layout lead to success with Class D audio amps.xps
03-02-15 515  Crown Input Board.pdf
03-01-15 515  Crown K series Service Manual.pdf
02-28-15 515  Crown Main Board.pdf
03-03-15 515  Crown Output Module.PDF
03-02-15 97134  D Amp Class D Power Amplifier.PDF
03-04-15 96392  D Amp_.pdf
02-22-15 6653422  DDX Amplifier Stuff.zip
03-04-15 26020  DIY1.pdf
03-01-15 216987  Demand Switched Power Supply for Amplifiers.pdf
02-28-15 11956  Design Of A Car Power Amp.ZIP
03-04-15 505744  Diagnosing Automotive Faults with Class D Audio Amplifiers - Maxim.mht
03-04-15 70245  Digital Amplifiers Challenge Analogue Audiophiles.PDF
03-04-15 503004  Digital Does Analog.pdf
03-02-15 63804  Digital Power Amplification Based On Pulse-Width Modulation And Sigma-Delta Loops.pdf
03-04-15 63804  Digital Power Amplification based on Pulse-Width Modulation and Sigma-Delta Loops.pdf
03-02-15 1572389  Digital Power Amplifier.PDF
03-02-15 122903  Diode Only Audio Power Amplifier.pdf
03-03-15 53773  Direct1.JPG
02-28-15 28095  Discrete Class D Amp Front End V2.JPG
03-04-15 28939  Discrete Class D Amp Front End.JPG
03-02-15 30612  Drive Circuit.pdf
03-02-15 120707  Efficient Pa Amplifier.PDF
03-04-15 57957  Efficient Speech Only Amplifier.PDF
02-17-15 12459  Gain Control Devices, Side Chains, Audio Amplifiers.ZIP
02-25-15 207872  HIP4080A.pdf
02-26-15 13864  HUYGENS MCD TECHNOLOGY.mht
02-07-15 182122  HV Floating MOS-Gate Driver ICs AN-978.pdf
03-04-15 996352  High Efficiency Power Amplifier Design.PDF
02-28-15 996352  High Efficiency Power Amplifier Design.pdf
03-03-15 95250  High Fidelity Switching Power Amplifiers AN1042-D.PDF
03-04-15 1077248  High Power Class D Audio Power Amplifier Using Ir2011S.pdf
03-04-15 1077248  High Power Class D Audio Power Amplifier using IR2011S.pdf
03-04-15 3299564  High Power Class-D Audio Amplifier Using the IR2011S.pdf
02-25-15 1088502  High Power FET Audio Amplifier.pdf
02-28-15 116551  High power, high quality discrete Class D amplifier 75015527.pdf
02-24-15 204800  Hip4080A Class-D Power Amplifier Driver Ic.PDF
03-03-15 207872  Hip4080A.pdf
02-07-15 658062  Hypex Instructions.zip
02-21-15 112937  Hypex Ucd180 Amplifier Connection Diagram.PDF
02-07-15 56795  IR Amp.pdf
02-20-15 1659983  IR Reference Design - Half Bridge.pdf
03-03-15 57290  IR2011 and IRS2011 Comparison.pdf
02-25-15 64921  IRS20954S and IRS20955S Comparison AN-1129.pdf
03-04-15 1660928  Ir Reference Class D Amp Design.PDF
03-03-15 1659983  Ir Reference Design - Half Bridge.pdf
03-03-15 1974045  JBL 1500Array sm.pdf
02-28-15 40328  Jam Technologies Amplifier.PDF
03-01-15 1430749  LM4682 10 Watt Stereo CLASS D Audio Power Amplifier.pdf
03-04-15 114688  LX1720 High-Efficiency Amplifier.pdf
02-24-15 660588  Layout Guidelines for Class D Power Amplifiers.pdf
02-23-15 663545  Layout Guidelines for TPA300x Series Parts.pdf
03-01-15 1244588  Layout Issues for Class D amps.xps
02-21-15 180962  Leapfrog Switching Amplifier Control Loop Design.PDF
02-21-15 130956  Leapfrog Switching Amplifier Control Loop Design.pdf.FILEPART
02-21-15 73728  Leapfrog.pdf
02-26-15 214016  Listening To Class-D.pdf
02-28-15 214016  Listening to Class-D.pdf
02-28-15 199680  Low Power Pwm Circuit And More.PDF
02-13-15 114688  Lx1720 High-Efficiency Amplifier.pdf
03-03-15 2591229  MCD Class D Power Amplifier TECHNOLOGY.xps
02-03-15 44012  MIC5011.PDF
03-02-15 26618  MOSFET Drive.pdf
03-03-15 239616  MOSFET selection guide.pdf
02-03-15 2846296  MUETA􀂮 CLASS-D.zip
02-25-15 451584  Magnatec Class D Amp Application Info.pdf
03-02-15 221184  Magnatec Class D Amp Switching Power Supply.pdf
03-01-15 451584  Magnatec Class D amp application info.pdf
02-12-15 221184  Magnatec Class D amp switching power supply.pdf
03-03-15 1887269  Measuring Switch-mode Power Amplifiers.pdf
02-28-15 18432  Microdesign Amp AUX Supply.pdf
02-25-15 18432  Microdesign Amp Aux Supply.pdf
02-28-15 34816  Microdesign Amp PWM Stage.pdf
02-24-15 17408  Microdesign Amp Pre-Regulator.pdf
02-22-15 34816  Microdesign Amp Pwm Stage.pdf
03-03-15 34816  Microdesign Amp SMPS.pdf
02-28-15 34816  Microdesign Amp Smps.pdf
02-09-15 1207296  Microdesign Amp Thesis.pdf
03-01-15 1310967  Microdesign Class D Amplifier.pdf
02-28-15 193536  Monolithic Audio Mp7530.pdf
03-04-15 10129  Mosfet H-Bridge.GIF
03-02-15 239616  Mosfet Selection Guide.pdf
02-28-15 96256  ON Semi Class D paper.pdf
03-04-15 57344  Off Line Pwm Amplifier - Peavey.pdf
03-03-15 57344  Off line PWM Amplifier - Peavey.pdf
03-03-15 96256  On Semi Class D Paper.pdf
03-03-15 146623  Optimizing Output Filters For Class D Audio Amplifiers.PDF
03-04-15 116299  Output-Filter Optimization For Class-D Audio Amplifiers .PDF
02-06-15 116299  Output-Filter Optimization for Class-D Audio Amplifiers .PDF
03-02-15 1918976  PCM-PWM Conversion with feedback power buffer.pdf
02-25-15 1918976  Pcm-Pwm Conversion With Feedback Power Buffer.pdf
03-04-15 2576384  Philips Class D Amplifier Solutions.pdf
03-04-15 104374  Philips TDA1562Q_Class-H Amplifier.pdf
02-22-15 104374  Philips Tda1562Q Class-H Amplifier.PDF
02-20-15 113835  Philips Ucd Application Note Um10155 1.pdf
03-04-15 17386  Power Amp - Class-D - 100 Watt.GIF
02-18-15 525312  Power Amp Paper.pdf
02-25-15 1081557  Power Amplifiers-Class D2.zip
03-03-15 20430  Power Amplifiers-Class_D_100W-12V.pdf
02-25-15 325379  Power Supply Considerations for Non Feedback Class D Power Amplifiers.pdf
02-25-15 892888  PowerPAD Layout Guidelines.pdf
03-04-15 8548  Proposed High Power Class-D Output Stage.GIF
03-04-15 163840  Pwm Circuit Uses One Op Amp.pdf
02-25-15 1310197  QFN Layout Guidelines.pdf
02-25-15 629084  RC Filter Box for Class-D Output Power and THD+N Measurement.pdf
02-28-15 553512  Reduce EMI from Class D Amplifiers Using New Modulation Techniques and Filter Architectures.mht
02-15-15 1936103  SG Class D amp chips.zip
02-21-15 1918976  STA120 Theory.pdf
03-04-15 6332  Self Oscillating Class D Amplifier 2.GIF
03-04-15 27386  Self Oscillating Class D Amplifier.GIF
03-04-15 13703  Self Oscillating Class D Amplifier.gif
03-02-15 36558  Self Oscillating Class D.ZIP
02-28-15 3086  Self Oscillating Pwm Modulator.GIF
02-28-15 12204  Single Supply H Bridge.PDF
03-02-15 1162512  Smpsu Amplifier.PDF
03-01-15 13659  Sorensen Amp Schematic21.PDF
03-04-15 14654  Sorensen Audio Class D Amp.PDF
02-25-15 13312  Sorenson Amp30.PDF
03-04-15 525312  Switch Mode Multi Level Power Amplifier.pdf
03-04-15 1163264  Switch Mode Power Amp.pdf
03-04-15 350304  TDA7293 120V - 100W DMOS AUDIO AMPLIFIER.pdf
03-04-15 99156  TDA8939_1.pdf
02-21-15 76040  TPA3101D2 Mono Amplifier Configuration.pdf
03-04-15 904314  TPA3120D2.pdf
02-28-15 434101  Tda7293 100W-8 Ohm.PDF
03-03-15 115477  Tda7482 25W Mono Class-D Amplifier.pdf
03-04-15 213515  Tda7490 25W + 25W Stereo Class-D Amplifier.pdf
03-03-15 241335  Testing DDX Digital Amplifers.pdf
02-25-15 241335  Testing Ddx Digital Amplifers.pdf
03-02-15 291796  Texas Class D Modulator Code Examples.pdf
03-01-15 511407  Thermal Considerations for a Class D Amplifier.mht
03-03-15 903356  Tripath3020 1.PDF
02-24-15 457847  Two AA Cells Produce Huge Audio Volume - Maxim.mht
03-02-15 88527  UCD Amplifier.pdf
03-04-15 23630  UCD2 Power Amp with HIP4081.pdf
03-04-15 281447  UcD and IMD, DIM, Slew Rate.pdf
03-03-15 58468  Voltage Gain of the UcD Modules.pdf
02-06-15 183395  Voltage Spike Measurement Technique and Specification.pdf
02-27-15 1108  WS_FTP.LOG
03-04-15 312203  What is a Class D Audio Amplifier by IR.pdf
03-04-15 300523  ZETEX 500W Subwoofer Amp.pdf
03-04-15 38848  a6rg2.jpg
02-28-15 15091  alpha.gif
03-04-15 32958  alpinedrive.gif
03-04-15 98423  class-d_amplifier_v1.1_schematics.zip
02-03-15 436  damp PIC Source files audampctrl1.zip
02-03-15 436  damp audampctrl1.zip
02-22-15 46497  filters_dos.zip
03-04-15 86992  hbmosfet.jpg
03-03-15 94440  hbridge.jpg
03-04-15 50471  interesting.jpg
03-02-15 63716  leapfrog3-4.pdf
02-17-15 41651  leapfrog5.pdf
02-17-15 23834  n-p_driver.pdf
03-04-15 47219  philips_ucd.png

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