Today at 9:37 AM
Hi Bill,
Just listened to your last soldersmoke blog with reference to xtal filter checking using a DDS and scope. What do think of this idea to check filter performance?
Logical, relatively easy to build and NO digital electronics to deal with. 
Best 73
Rick G6AKG
PS keep up the great work, love the Blogs.
Our book: “SolderSmoke — Global Adventures in Wireless Electronics” http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
Very nice! I haven’t seen many PCs without digital electronics though! 😉