[hpsdr] IC wanted: ULN2003A open collector array

Mark J Dulcey mark at buttery.org
Tue Mar 30 11:21:02 PDT 2010


On 3/30/2010 2:01 PM, 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.

If all else fails, there do seem to be some eBay sellers that have them. 
For example see 
http://cgi.ebay.com/10pcs-ULN2003A-Darlington-Transistors-Seven-NPN-Array_W0QQitemZ120550367115QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item1c115c9f8b

 1269973262.0


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