[hpsdr] IC wanted: ULN2003A open collector array

[Scott Burris]

How about Jameco?

Says they are in stock.

http://www.Jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&pa=193826&productId=193826&cid=findchips

Scott

On Mar 30, 2010, at 11:01 AM, John Petrich wrote:

> ***** High Performance Software Defined Radio Discussion List *****
> 
> Ron Cox, W9KFB, and my self are both looking this IC for Penelope to replace defective ones.  (don't ask)  The usual suppliers, Allied, Mouser, and DigiKey, are all out of stock.  The IC is the open collector driver for the DB-25 output pins on Penelope, a ULN2003A is specified as the open collector array.  This IC is the tiny 16 pin SOIC that is located physically adjacent to the DB-25 connector on the Penelope board.
> 
> Does anyone have a few of these IC's  for sale, or know of a supplier who might have some in stock?
> 
> Would anyone know if it would be possible to substitute the ULN2004A, for the ULN2003A?  The ULN2004A is specified to link directly with CMOS devices that supply 6 to 15 volts.  Is there enough drive from our 5 volt bus to make the ULN2004A change state?
> 
> I'm leaving town for Easter, but Ron will be watching the reflector.  Any help is appreciated.
> 
> Regards,
> John Petrich, W7FU 
> _______________________________________________
> HPSDR Discussion List
> To post msg: hpsdr at openhpsdr.org
> Subscription help: http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org
> HPSDR web page: http://openhpsdr.org
> Archives: http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/