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Class D Switching Power Amplifiers and Power D/A conversion

Class D Amp with LM566,LM393 and 2XIRF530
Class D Amp with LM566,LM393 and 2XIRF530
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Old 2nd December 2017, 02:04 PM   #1111
protech1104 is offline protech1104  Tunisia
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Quote:
Originally Posted by thimios View Post
Are these mods for Apex D200?
Can you post a modified schematic diagram?
i don't have schematic now. this modification is for all class d with ir2110. the problem for irs900 is power supply 12v at cd4069. 99% uir2110 is a copy or fake. with fake ir2110 mosfet get warm 2side or one side or explode or not work.with copy 90% of ir2110 it work great but with more consumption at high in and low in than original part. with 5v it's stable but with 12v not like irs900 1500
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Old 2nd December 2017, 02:11 PM   #1112
thimios is offline thimios  Greece
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Quote:
Originally Posted by protech1104 View Post
i don't have schematic now. this modification is for all class d with ir2110. the problem for irs900 is power supply 12v at cd4069. 99% uir2110 is a copy or fake. with fake ir2110 mosfet get warm 2side or one side or explode or not work.with copy 90% of ir2110 it work great but with more consumption at high in and low in than original part. with 5v it's stable but with 12v not like irs900 1500
If it's a fake parts problem then it doesn't matter the class D
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Old 2nd December 2017, 03:11 PM   #1113
protech1104 is offline protech1104  Tunisia
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Quote:
Originally Posted by thimios View Post
If it's a fake parts problem then it doesn't matter the class D
if you have original part only. 99% are fake!!!! do you have original? they are extremely expensive and hard to find
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Old 3rd December 2017, 04:01 PM   #1114
stewin is offline stewin  Kenya
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Quote:
Originally Posted by stewin View Post
hi all. has anyone bridged this amp with success?,
also has anyone tried to remove the load/speaker while the amp is playing loud??
apex ,protech ???
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Old 5th December 2017, 12:57 AM   #1115
protech1104 is offline protech1104  Tunisia
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Quote:
Originally Posted by stewin View Post
apex ,protech ???
yes i do. all aop used for preamplifier or inversor phase must have a low pass filter < 30khz. input ground of preamplifier must be isolated from chassis and decoupled with 10- 100 ohm resistor that work as an inductor from gnd of input amplifier
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Old 5th December 2017, 01:02 AM   #1116
protech1104 is offline protech1104  Tunisia
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Last edited by protech1104; 5th December 2017 at 01:05 AM.
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Old 23rd December 2017, 05:34 PM   #1117
I love the sound is offline I love the sound  Romania
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How many amps consumes the amplifier at full power with +-75V? I want to make a smps for auto to use this amplifier for subwoofer in car.
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Old 25th January 2018, 11:21 PM   #1118
masood251 is offline masood251
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Dear Apex plz.make this amplifier and show its video and also publish its pcb.thanks regard
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Old 26th January 2018, 12:56 AM   #1119
masood251 is offline masood251
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dear apex audio i want to make d2000 igbt class d will you help me thanks
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Old 26th January 2018, 01:38 AM   #1120
andrewlebon is offline andrewlebon  India
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Default D2000 IGBT

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