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Old 10th January 2013, 09:48 AM   #3191
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i dont see potansiometer for adjust the frequences !!!
i want use NJU7307 for EQ

Last edited by Hadighorbani; 10th January 2013 at 09:57 AM.
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Old 10th January 2013, 09:49 AM   #3192
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sorry
it was NUJ7307 maybe
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Old 10th January 2013, 10:31 AM   #3193
akraj is offline akraj  Bangladesh
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Quote:
Originally Posted by Hadighorbani View Post
sorry
it was NUJ7307 maybe
Why this used? Advantage? Only one channel!
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Old 10th January 2013, 10:47 AM   #3194
akraj is offline akraj  Bangladesh
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Originally Posted by manojtm View Post
Hi Raj,

it is a frequency equalizer(audio band) for class d amp

regards
manoj
Hi Manoj: Is this like equalizer? But this schematic shows one channel only. What is the advantage of this board?

And I have sent a PM, if possible please reply
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Old 10th January 2013, 11:29 AM   #3195
manojtm is online now manojtm  India
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Quote:
Hi Manoj: Is this like equalizer? But this schematic shows one channel only. What is the advantage of this board?

And I have sent a PM, if possible please reply
Hi Raj,

yes it is a equalizer, wired a second order butter worth for HF,MF and LF all together tied to one out. it is for one channel only.connecting EQ with AUD600 the quality of the sound will be increased.

Regards
MANOJ
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Old 10th January 2013, 11:33 AM   #3196
akraj is offline akraj  Bangladesh
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Quote:
Originally Posted by manojtm View Post
Hi Raj,

yes it is a equalizer, wired a second order butter worth for HF,MF and LF all together tied to one out. it is for one channel only.connecting EQ with AUD600 the quality of the sound will be increased.

Regards
MANOJ
Wow great! I will try to make one if get that IC locally.

Have you managed see my PM?

Thanks again

Raj
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Old 10th January 2013, 03:03 PM   #3197
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Default Hi Friend

Quote:
Originally Posted by akraj View Post
Why this used? Advantage? Only one channel!
this ic is stereo 11 band EQ.
i can control that with micro controler and can control every chanell one by one.
it is beter for me in car amp
have nice time
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Old 10th January 2013, 03:07 PM   #3198
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i can not find this ic in my towne
this ic is the fast op amp ic
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Old 10th January 2013, 04:01 PM   #3199
akraj is offline akraj  Bangladesh
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Quote:
Originally Posted by Hadighorbani View Post
i can not find this ic in my towne
this ic is the fast op amp ic
Wow great! Can you post schematic? It would be really great to have a 11 band EQ! Really amazing :-)
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Old 10th January 2013, 05:26 PM   #3200
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schematic and pcb can not work without aplication program
PT2322 project near the end
i replace new ic with PT soon
when complete the project i share that with you friend.
what about AUD600 ?
compelet that ?
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