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
06-02-15 1763938  120 W x 2 Channel Class D Audio Power Amplifier Using IRS20955 and IRF6645.pdf
06-02-15 80630  1200W Class D Power Amp.pdf
06-02-15 12425  12V Class D amp.pdf
06-02-15 213515  16W+16W Stereo Class-D Amplifier 50W Mono Btl.pdf
06-02-15 1772348  1kW Buffered To220 IRS2092 Class D Amp using modified IRAUDAMP5 rev2d.pdf
06-02-15 558146  A Little Theory Of Class-D Amplifiers.PDF
06-02-15 103424  A Simple Guide To Selecting Power Mosfets.pdf
06-02-15 2046360  Amplifier-Power - Digital 200W - Hip4080.pdf
06-02-15 1572389  Amplifier-Power-Class D - Digital Power Amplifier - Hip4080.pdf
06-02-15 1572389  Amplifier-Power-Class_D_-_Digital_Power_Amplifier - HIP4080.pdf
06-02-15 2046360  Amplifier-Power_-_Digital_200W - HIP4080.pdf
06-02-15 254976  Analog PWM Amplifier.pdf
06-03-15 254976  Analog Pwm Amplifier.pdf
06-02-15 1007682  Assorted Class D stuff.zip
06-02-15 954643  Assorted Class-D Info.ZIP
06-02-15 1572389  Build A 200W Class D Power Amplifier For Your Car.PDF
06-02-15 782839  CLASS D - HUYGENS MCD TECHNOLOGY.xps
06-02-15 5121  CLASS D PWM car amp with no inverter - 7406 Sub.jpg
06-03-15 30686  CLASS D PWM car amp with no inverter - output transormer.jpg
06-02-15 55103  CLASS D PWM car amp with no inverter.jpg
06-02-15 72551  Car Amp 1.pdf
05-31-15 98428  Car Amp 2.pdf
05-31-15 100530  Class D Amp App Note From On Semi.pdf
06-02-15 84093  Class D Amp Development 30 Dev.ZIP
06-03-15 19849  Class D Amp Level Shifter For Half Bridge Operation.JPG
06-02-15 38848  Class D Amp a6rg2.jpg
05-27-15 100530  Class D Amp app note from ON Semi.pdf
05-31-15 12911  Class D Amp design Idea.gif
06-02-15 176397  Class D Amp.ZIP
06-02-15 1664539  Class D Amplification Circa 1965.pdf
05-28-15 13824  Class D Amplifier Calculations - Texas Instruments.xls
06-02-15 90804  Class D Amplifier Discrete Driver Stage.JPG
05-30-15 20480  Class D Amplifier Power Out vs Current.xls
06-02-15 12911  Class D Amplifier with Discrete Level Shifter.gif
06-01-15 168960  Class D Amplifiers - Interactive Simulations.PDF
05-22-15 514054  Class D Amplifiers Fundamentals of Operation and Recent Developments.mht
06-02-15 55307  Class D Amplifiers Provide High Efficiency For Audio Systems.PDF
05-29-15 396689  Class D Audio Amplifier Output Filter Optimization - Maxim.mht
05-17-15 53110  Class D Audio Amplifier Output Filter Optimization.mht
06-02-15 521644  Class D Audio Amplifier Output Filter Optimization.pdf
05-29-15 311700  Class D Audio Amplifier Output Filter Optimization.xps
06-01-15 242688  Class D Audio Amplifier Performance Relationship to MOSFET Parameters.pdf
05-15-15 55762  Class D Audio Amplifiers - Theory and Design.mht
05-18-15 852144  Class D Audio Amplifiers - Theory and Design.xps
05-27-15 277814  Class D Audio Amplifiers - What Why and How.pdf
06-02-15 21504  Class D Design Guide.pdf
06-02-15 52167  Class D Discussion.PDF
06-02-15 230400  Class D For Diy.pdf
05-31-15 77481  Class D IC amps.PDF
06-02-15 77481  Class D Ic Amps.PDF
05-01-15 70015  Class D OEM product FAQ.mht
05-16-15 17231  Class D Oem Product Faq.ZIP
05-22-15 5213  Class D Power Calculator Excel Spreadsheet.ZIP
05-31-15 24576  Class D Power Calculator.xls
05-21-15 253967  Class D Product FAQ.xps
06-02-15 79638  Class D Pwm Amp With No Inverter.ZIP
06-02-15 5121  Class D Pwm Car Amp With No Inverter - 7406 Sub.JPG
05-29-15 30686  Class D Pwm Car Amp With No Inverter - Output Transormer.JPG
06-02-15 55103  Class D Pwm Car Amp With No Inverter.JPG
06-02-15 1656605  Class D Subwoofer Amp.pdf
06-02-15 1409804  Class D Tutorial.pdf
06-02-15 72551  Class D amp with IR Driver Chip.pdf
05-26-15 13824  Class D amplifier Calculations - Texas Instruments.xls
06-02-15 127758  Class D amplifier using TL494.jpg
05-28-15 55307  Class D amplifiers provide high efficiency for audio systems.PDF
05-26-15 225235  Class D amplifiers provide high efficiency for audio systems.xps
05-22-15 283649  Class D amplifiers.xps
05-31-15 168960  Class D audio-power amplifiers - Interactive simulations.pdf
05-31-15 168960  Class D audio-power amplifiers.pdf
06-01-15 52167  Class D discussion.PDF
06-01-15 230400  Class D for DIY.pdf
06-02-15 13703  Class-D Amp 11_mk1-1b-schalt.gif
06-01-15 1664539  Class-D Amplification Circa 1965.pdf
05-31-15 537864  Class-D LC Filter Design.pdf
05-31-15 918783  Class-D Stereo Amplifier (Not in English).pdf
05-31-15 288538  ClassD2.pdf
05-31-15 60697  Combined Power Supply And Audio Amplifier.PDF
05-26-15 112938  Component selection, layout lead to success with Class D audio amps.mht
06-02-15 464502  Component selection, layout lead to success with Class D audio amps.xps
05-29-15 515  Crown Input Board.pdf
06-02-15 515  Crown K series Service Manual.pdf
05-29-15 515  Crown Main Board.pdf
05-30-15 515  Crown Output Module.PDF
06-03-15 97134  D Amp Class D Power Amplifier.PDF
06-02-15 96392  D Amp_.pdf
05-06-15 6653422  DDX Amplifier Stuff.zip
05-31-15 26020  DIY1.pdf
05-31-15 216987  Demand Switched Power Supply for Amplifiers.pdf
05-18-15 11956  Design Of A Car Power Amp.ZIP
06-02-15 505744  Diagnosing Automotive Faults with Class D Audio Amplifiers - Maxim.mht
05-23-15 70245  Digital Amplifiers Challenge Analogue Audiophiles.PDF
05-31-15 503004  Digital Does Analog.pdf
05-27-15 63804  Digital Power Amplification Based On Pulse-Width Modulation And Sigma-Delta Loops.pdf
05-24-15 63804  Digital Power Amplification based on Pulse-Width Modulation and Sigma-Delta Loops.pdf
05-26-15 1572389  Digital Power Amplifier.PDF
05-31-15 122903  Diode Only Audio Power Amplifier.pdf
05-20-15 53773  Direct1.JPG
06-02-15 28095  Discrete Class D Amp Front End V2.JPG
06-03-15 28939  Discrete Class D Amp Front End.JPG
06-01-15 30612  Drive Circuit.pdf
05-21-15 120707  Efficient Pa Amplifier.PDF
05-31-15 57957  Efficient Speech Only Amplifier.PDF
05-30-15 12459  Gain Control Devices, Side Chains, Audio Amplifiers.ZIP
05-15-15 207872  HIP4080A.pdf
05-20-15 13864  HUYGENS MCD TECHNOLOGY.mht
05-23-15 182122  HV Floating MOS-Gate Driver ICs AN-978.pdf
06-01-15 996352  High Efficiency Power Amplifier Design.PDF
05-21-15 996352  High Efficiency Power Amplifier Design.pdf
06-02-15 95250  High Fidelity Switching Power Amplifiers AN1042-D.PDF
06-02-15 1077248  High Power Class D Audio Power Amplifier Using Ir2011S.pdf
06-02-15 1077248  High Power Class D Audio Power Amplifier using IR2011S.pdf
06-03-15 3299564  High Power Class-D Audio Amplifier Using the IR2011S.pdf
06-02-15 1088502  High Power FET Audio Amplifier.pdf
06-02-15 116551  High power, high quality discrete Class D amplifier 75015527.pdf
06-02-15 204800  Hip4080A Class-D Power Amplifier Driver Ic.PDF
05-31-15 207872  Hip4080A.pdf
05-31-15 658062  Hypex Instructions.zip
06-02-15 112937  Hypex Ucd180 Amplifier Connection Diagram.PDF
06-01-15 56795  IR Amp.pdf
06-01-15 1659983  IR Reference Design - Half Bridge.pdf
06-01-15 57290  IR2011 and IRS2011 Comparison.pdf
06-02-15 64921  IRS20954S and IRS20955S Comparison AN-1129.pdf
05-31-15 1660928  Ir Reference Class D Amp Design.PDF
05-26-15 1659983  Ir Reference Design - Half Bridge.pdf
05-31-15 1974045  JBL 1500Array sm.pdf
05-02-15 40328  Jam Technologies Amplifier.PDF
05-27-15 1430749  LM4682 10 Watt Stereo CLASS D Audio Power Amplifier.pdf
05-28-15 114688  LX1720 High-Efficiency Amplifier.pdf
06-02-15 660588  Layout Guidelines for Class D Power Amplifiers.pdf
06-02-15 663545  Layout Guidelines for TPA300x Series Parts.pdf
05-30-15 1244588  Layout Issues for Class D amps.xps
05-31-15 180962  Leapfrog Switching Amplifier Control Loop Design.PDF
04-24-15 130956  Leapfrog Switching Amplifier Control Loop Design.pdf.FILEPART
05-09-15 73728  Leapfrog.pdf
05-28-15 214016  Listening To Class-D.pdf
05-28-15 214016  Listening to Class-D.pdf
06-01-15 199680  Low Power Pwm Circuit And More.PDF
06-01-15 114688  Lx1720 High-Efficiency Amplifier.pdf
05-26-15 2591229  MCD Class D Power Amplifier TECHNOLOGY.xps
06-01-15 44012  MIC5011.PDF
05-31-15 26618  MOSFET Drive.pdf
05-30-15 239616  MOSFET selection guide.pdf
04-10-15 2846296  MUETA􀂮 CLASS-D.zip
05-30-15 451584  Magnatec Class D Amp Application Info.pdf
05-31-15 221184  Magnatec Class D Amp Switching Power Supply.pdf
05-31-15 451584  Magnatec Class D amp application info.pdf
06-02-15 221184  Magnatec Class D amp switching power supply.pdf
05-31-15 1887269  Measuring Switch-mode Power Amplifiers.pdf
05-31-15 18432  Microdesign Amp AUX Supply.pdf
05-19-15 18432  Microdesign Amp Aux Supply.pdf
06-02-15 34816  Microdesign Amp PWM Stage.pdf
05-11-15 17408  Microdesign Amp Pre-Regulator.pdf
06-02-15 34816  Microdesign Amp Pwm Stage.pdf
05-28-15 34816  Microdesign Amp SMPS.pdf
05-28-15 34816  Microdesign Amp Smps.pdf
05-02-15 1207296  Microdesign Amp Thesis.pdf
05-29-15 1310967  Microdesign Class D Amplifier.pdf
05-27-15 193536  Monolithic Audio Mp7530.pdf
06-02-15 10129  Mosfet H-Bridge.GIF
05-28-15 239616  Mosfet Selection Guide.pdf
05-27-15 96256  ON Semi Class D paper.pdf
05-27-15 57344  Off Line Pwm Amplifier - Peavey.pdf
05-29-15 57344  Off line PWM Amplifier - Peavey.pdf
05-27-15 96256  On Semi Class D Paper.pdf
06-01-15 146623  Optimizing Output Filters For Class D Audio Amplifiers.PDF
05-26-15 116299  Output-Filter Optimization For Class-D Audio Amplifiers .PDF
05-29-15 116299  Output-Filter Optimization for Class-D Audio Amplifiers .PDF
05-29-15 1918976  PCM-PWM Conversion with feedback power buffer.pdf
05-26-15 1918976  Pcm-Pwm Conversion With Feedback Power Buffer.pdf
06-02-15 2576384  Philips Class D Amplifier Solutions.pdf
05-30-15 104374  Philips TDA1562Q_Class-H Amplifier.pdf
05-30-15 104374  Philips Tda1562Q Class-H Amplifier.PDF
06-02-15 113835  Philips Ucd Application Note Um10155 1.pdf
06-02-15 17386  Power Amp - Class-D - 100 Watt.GIF
05-26-15 525312  Power Amp Paper.pdf
05-21-15 1081557  Power Amplifiers-Class D2.zip
06-02-15 20430  Power Amplifiers-Class_D_100W-12V.pdf
06-02-15 325379  Power Supply Considerations for Non Feedback Class D Power Amplifiers.pdf
05-13-15 892888  PowerPAD Layout Guidelines.pdf
06-02-15 8548  Proposed High Power Class-D Output Stage.GIF
05-28-15 163840  Pwm Circuit Uses One Op Amp.pdf
05-08-15 1310197  QFN Layout Guidelines.pdf
05-14-15 629084  RC Filter Box for Class-D Output Power and THD+N Measurement.pdf
05-15-15 553512  Reduce EMI from Class D Amplifiers Using New Modulation Techniques and Filter Architectures.mht
05-26-15 1936103  SG Class D amp chips.zip
06-01-15 1918976  STA120 Theory.pdf
05-27-15 6332  Self Oscillating Class D Amplifier 2.GIF
05-17-15 27386  Self Oscillating Class D Amplifier.GIF
05-16-15 13703  Self Oscillating Class D Amplifier.gif
05-24-15 36558  Self Oscillating Class D.ZIP
06-01-15 3086  Self Oscillating Pwm Modulator.GIF
05-25-15 12204  Single Supply H Bridge.PDF
06-02-15 1162512  Smpsu Amplifier.PDF
06-02-15 13659  Sorensen Amp Schematic21.PDF
06-02-15 14654  Sorensen Audio Class D Amp.PDF
05-31-15 13312  Sorenson Amp30.PDF
06-01-15 525312  Switch Mode Multi Level Power Amplifier.pdf
06-02-15 1163264  Switch Mode Power Amp.pdf
05-30-15 350304  TDA7293 120V - 100W DMOS AUDIO AMPLIFIER.pdf
05-27-15 99156  TDA8939_1.pdf
05-29-15 76040  TPA3101D2 Mono Amplifier Configuration.pdf
05-29-15 904314  TPA3120D2.pdf
06-01-15 434101  Tda7293 100W-8 Ohm.PDF
05-12-15 115477  Tda7482 25W Mono Class-D Amplifier.pdf
05-29-15 213515  Tda7490 25W + 25W Stereo Class-D Amplifier.pdf
05-28-15 241335  Testing DDX Digital Amplifers.pdf
05-19-15 241335  Testing Ddx Digital Amplifers.pdf
05-24-15 291796  Texas Class D Modulator Code Examples.pdf
05-19-15 511407  Thermal Considerations for a Class D Amplifier.mht
05-31-15 903356  Tripath3020 1.PDF
05-27-15 457847  Two AA Cells Produce Huge Audio Volume - Maxim.mht
05-26-15 88527  UCD Amplifier.pdf
05-26-15 23630  UCD2 Power Amp with HIP4081.pdf
05-28-15 281447  UcD and IMD, DIM, Slew Rate.pdf
05-27-15 58468  Voltage Gain of the UcD Modules.pdf
05-27-15 183395  Voltage Spike Measurement Technique and Specification.pdf
05-11-15 1108  WS_FTP.LOG
05-30-15 312203  What is a Class D Audio Amplifier by IR.pdf
06-02-15 300523  ZETEX 500W Subwoofer Amp.pdf
06-01-15 38848  a6rg2.jpg
05-28-15 15091  alpha.gif
06-03-15 32958  alpinedrive.gif
06-02-15 98423  class-d_amplifier_v1.1_schematics.zip
05-30-15 436  damp PIC Source files audampctrl1.zip
05-21-15 436  damp audampctrl1.zip
06-02-15 46497  filters_dos.zip
05-29-15 86992  hbmosfet.jpg
06-01-15 94440  hbridge.jpg
06-02-15 50471  interesting.jpg
05-29-15 63716  leapfrog3-4.pdf
05-29-15 41651  leapfrog5.pdf
05-31-15 23834  n-p_driver.pdf
05-31-15 47219  philips_ucd.png

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