[R-390] Good technical reference books.

[Perry Sandeen]

   GM List,

     Here are 3 sources of chee
 I mean "thrifty" tech books for us BA enthusiasts.  They have
both basics and up to the esoteric math explinations. 

1.  Bill Orr Handbooks.  Found on Ebay.  Search by his name.  Usually $10-$20.

2.  ARRL Handbooks.  Mid 70’s. Also found on Ebay.  Search by name.  Usually $10-$20. In this age
range they still have tube theory and info on using dual gate MOSFETS so we can SS our R-390 and
other BA receivers.  In this era you didn’t have to be a MIT EE graduate to understand the
explanations.

3.  Communications Receivers by Ulrich L. Rohde, Jerry C. Whitaker, and T. T. N. Bucher (Hardcover
- Jan 15, 1997).  Found on Amazon.com.  Search using Ulrich L. Rohde.  Usually can be purchased
used for $25-$30.  Rhode is a ham and THE AUTHORITY on receivers.  Practical as well as all the
math you could ever handle.  He wrote for years for Ham Radio magazine. WARNING:  Extensive use of
SAND STATE!  Ludites should avoid this one.

Regards, Perrier


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