UCD 25 watts to 1200 watts using 2 mosfets

[andrewlebon]

Hi Exflaco
greetings have you tested this design
warm regards
andrew

 

[exflaco]

Andrew similar to working one bridge Triell, but 4vmos no 8 and use same out inductor contrafase (180degree)2 bobins

 

[andrewlebon]

hi exflaco
greetings built this bridged amp but detex design 4 pairs not good for IR2110
WARM REGARDS
andrew

 

[exflaco]

Andrew these design 100 omhs gate irfp250 no problem to ir2110. better design irvynejay totem pole and 4 pairs ofcourse.
These type design poor bass response, but big power and no buss pumping efect.
Wat the problem you know it? Thanks very much i am very happy in this forum, people participate and cooperate ,very nice place

 

[manojtm]

Hi CPX
here i am attaching my old class d amp test report

regards
MANOJ

 

[red_zone003]

full bridge ir2110

Found the pcb based from the attached schematic..hope it will work. Feel free to comment 🙂

 

[CPX]

Hi CPX
here i am attaching my old class d amp test report
regards
MANOJ

You made the test wrong🙁..these figures are too bad...probably you saturated the sound card input...

 

[Tekko]

Not only that, he used a overly poor sound card that is mediocre at best.

 

[manojtm]

You made the test wrong..these figures are too bad...probably you saturated the sound card input...

Hi CPX,

i agreed my sound card not good.when i increase level it shows clip distorted,i can't set to the correct set,and my motherboard inbuilt sound card damaged just now.tomorrow i will purchase a good one
regards
Manoj

 

[manojtm]

Hi all

my digital crossover with limiter (LF & HF)finished.This is for Active Speaker (Bi AMP)

Regards
Manoj

 

[CPX]

Manoj:
What kind of resitive divider you have used?

 

[manojtm]

Manoj:
What kind of resitive divider you have used?

CPX
i used series 4k7 ground 6k8 with 1nF (2) series 4k7 ground 4k7 with 1nF (3) series 10k ground 6k8 with 1nF (4) series 1k ground 6k8 with 1nF

today i directly connected to input with very low volume, unfortunately my sound card damaged.

Regards
MANOJ

 

[CPX]

For initial tests a 1/10 divider with 100 nanofarads to ground is enough.
NEVER connect directly, of course you sound card got damaged.😀
Also never make connectios while both amplifier and computer are on.

 

[exflaco]

Manojtm, schem and pcb 4all diyers please

 

[bogdan91]

???? D-class 1200w.mp4 - YouTube
that is amp in the few posts upper i started him its cool but need delay for good start

 

[manojtm]

Hi CPX

Today i got Yorkville schematic comparing with my circuit its all most same what i did
so i quit THD measure( save my new sound card ) if you need schema i will send you

Regards
Manoj

 

[manojtm]

Hi All
Yorkville ls800 (1500W 18" Sub woofer) using lm311/555/ir2110/ir2110/IRFP31N50 +130V -130V bridge config.

regards
MANOJ

 

[exflaco]

Yorkville free

http://www.yorkville.com/downloads/servman/smls801p.pdfYorkville all model free4all in the web page 145v igbt out non ucd limiter (13600)ocp

 

[CPX]

Manoj:
This in not a solution, THD depends on implementation not on schematics used.🙁.With correct divider and ground connections there is no danger for the sound card.

 

[manojtm]

Hi exflaco

that carrier based class d using fsw=@80KHz Max. IGBT freq. is 150KHz

Regards
Manoj