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| Class D Switching Power Amplifiers and Power D/A conversion |
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#1 |
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diyAudio Member
Join Date: Nov 2005
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500W@4 OHMs,1kHz,THD+N<1%
Min THD+N:0.05% BW:20-20,000Hz |
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#2 |
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diyAudio Member
Join Date: Dec 2003
Location: Sweden--> Here
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Nice.
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#3 | |
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Account Disabled
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Quote:
What dat??? First Mueta??? MUETAAAA!!!!!!!!!!!!! No really, tell us about it would ya? Schematic? |
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#4 |
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diyAudio Member
Join Date: Nov 2004
Location: Missouri
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Looks like a Hip4080 design.
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#5 |
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diyAudio Member
Join Date: Nov 2005
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The topology is different from orthers.
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#6 |
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diyAudio Member
Join Date: Nov 2005
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THe module plug into main board is named DR500FB. The schematic is in secrecy. Demo of DR500FB will be delivered.
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#7 |
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diyAudio Member
Join Date: Jan 2005
Location: Sonoma, California
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Let's see. It's not class-D, not class-AD, not class-BD, as well as all other classes as tabulated by Karsten Nielsen.
Class-D is dead. Long live class-Zhuang!
__________________
Koolkid |
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#8 | |
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Account Disabled
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Quote:
Heh.... I think he just meant to say it differs from the as seen on the data sheet hip4080. Not so sure it uses that at all either. From google translator: Overview : DR500 Providing high-quality D Type power amplifier required preparation and control functions, external hard disk power MOSFET Configuration flexibility to meet 500W The different power output. Features : Escape PWM Preparation, frequency 250kHz In response to the bands Single power supply, wide voltage range of work 3A Driven currents THD+N F 0.2% Efficiencies : 92%@250W C 8 @ Island 88%@500W C 4 @ Island Export direct current spaces - 1 4 feet separate plug-ins module Guozaibaohu Applications : Active box amplifier Vehicle-mounted power amplifier Bass amplifier Broadcasting system @ Quotations : 1000PCS at : 32 yuan RMB Reference design model unit : 210 Yuan RMB http://translate.google.com/translat...language_tools |
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#9 | |
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diyAudio Member
Join Date: Nov 2005
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Quote:
The topic is "500W CLASS D". There is't class-Zhuang. IS it clear? |
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#10 | |
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Account Disabled
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Quote:
Sooo you're saying it's a class Z?? Why not tell us what makes class Z unique? We don't need ze schematic. |
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