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Class D Switching Power Amplifiers and Power D/A conversion

Hybrid Hypex UCD
Hybrid Hypex UCD
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Old 14th November 2012, 07:39 PM   #61
Koifarm is offline Koifarm  Netherlands
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It only needs a capacitor if the dac not DC free is. If the dac has a output capacitor it must be DC free. This capacitor must be at least 22uf because of the low input impedance(1k8) of the unbuffered UCD or you will lose some bass.
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Old 12th February 2016, 08:39 PM   #62
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Because of the missing photo's and a lot of people get UCD oem modules, i place my latest schematic with i use with the OEM modules.
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Old 12th February 2016, 08:40 PM   #63
Koifarm is offline Koifarm  Netherlands
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Schematic
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Old 12th February 2016, 08:40 PM   #64
Koifarm is offline Koifarm  Netherlands
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PCB with oem connector.
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Old 12th February 2016, 08:42 PM   #65
Koifarm is offline Koifarm  Netherlands
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The complete amp.
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Old 14th February 2016, 10:08 PM   #66
Koifarm is offline Koifarm  Netherlands
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At request. Connection to ucd180st.
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