On Tuesday 17 February 2004 10:59 am, Martin McCormick wrote: > Someone recently suggested using a NE570/571 compander chip > for building an audio AGC circuit. This chip has been around for > about 25 years or so and has seen wide-spread use.
They are very hard to come by, I was looking recently. > Is it still considered a good choice if one needs level > compression or expansion or is there a more state of the art chip? http://www.thatcorp.com/ is state of the art. Lots of good application notes there. I'm particularly fond of the non-linear capacitor... :-) They have a couple of job openings for anyone in the Boston area of the world. -- � � � � � � � � � � http://www.softwaresafety.net/ � � � �http://www.unusualresearch.com/ http://www.bpaddock.com/ -- Author: Bob Paddock INET: [EMAIL PROTECTED] Fat City Hosting, San Diego, California -- http://www.fatcity.com --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
