View Single Post
Old 11-30-2006, 01:35 PM
  #25  
laryboy
My Feedback: (2)
 
Join Date: Jul 2003
Location: wilmington, MA
Posts: 825
Likes: 0
Received 0 Likes on 0 Posts
Default RE: single vs. dual conversion receivers

455 kc is chosen because that is standard that has been around for 75 years and the circuitry for it can be found in the radio engineers hand book. it is a design that has been used in millions of transister radios.