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Class D Switching Power Amplifiers and Power D/A conversion

Class D high frequency output transformer
Class D high frequency output transformer
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Old 19th January 2006, 05:38 PM   #1
Bazukaz is offline Bazukaz  Lithuania
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Class D high frequency output transformer
Default Class D high frequency output transformer

Hello ,
I am interested in using a D class amp with a high frequency output transformer to drive ESL loadspeakers.
Is it possible ?
I have tried this with TD7480 , but it didn't work well, thought some sound was coming out.I used 1:1 turns ratio with a regular loadspeaker for testing , ~ 50 turns wound on a feritte toroid.

Regards ,
Lukas
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Old 21st January 2006, 04:24 AM   #2
MOER is offline MOER  United States
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Default Class D with O/P transformer

Not possible as the filtering on the secondary would be very difficult. Remember the voltage on the secondary is high.
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