Can you help me find an AGC IC

karthikrajg · 5th November 2005, 03:18 PM

Hi,

Can you guys suggest some Automatic Gain Controller IC for Audio (not Video). I saw one from National - LM4918. But the issue is that it comes in a LQ package, which makes it impossible to hand solder.

Please help me people!!!

Regards,
Karthik

gamma · 5th November 2005, 08:25 PM

Very hard to find anything!!

Well...this link may give you some help to BUILD an AGC...

http://www.winbond-usa.com/products/isd_products/chipcorder/applicationbriefs/an_4a.pdf

head_spaz · 6th November 2005, 08:45 PM

NE-571
NE-572
They are older chips, hard to find.

karthikrajg · 7th November 2005, 07:24 AM

Hi,

Thanks for taking your time to reply.

I found a Compander IC from On Semi which can be used for an Level Control Application. The part number is SA572N.

Has anybody used this before? Just wanted to know its performance.

Regards,
Karthik

5th November 2005, 03:18 PM	#1
karthikrajg diyAudio Member Join Date: Jul 2005 Location: Bangalore	Can you help me find an AGC IC Hi, Can you guys suggest some Automatic Gain Controller IC for Audio (not Video). I saw one from National - LM4918. But the issue is that it comes in a LQ package, which makes it impossible to hand solder. Please help me people!!! Regards, Karthik

6th November 2005, 08:45 PM	#3
head_spaz diyAudio Member Join Date: Mar 2004 Location: Arkansas	z NE-571 NE-572 They are older chips, hard to find. __________________ Writing is good exercize for the texticles!

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5th November 2005, 08:25 PM	#2
gamma diyAudio Member Join Date: Jun 2005 Location: Jönköping	Very hard to find anything!! Well...this link may give you some help to BUILD an AGC... http://www.winbond-usa.com/products/isd_products/chipcorder/applicationbriefs/an_4a.pdf

7th November 2005, 07:24 AM	#4
karthikrajg diyAudio Member Join Date: Jul 2005 Location: Bangalore	Hi, Thanks for taking your time to reply. I found a Compander IC from On Semi which can be used for an Level Control Application. The part number is SA572N. Has anybody used this before? Just wanted to know its performance. Regards, Karthik

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