Radio Theory and design

The progression of DBM transformers: The top one is wound on the type core The Chief designer and I used in the original 40/80 receiver. He ...

  You can look the screen shots over and see both RF and AF is passing threw the stages.  This was my original circuit. A quick look at the ...

 We hear about the Q sometimes as though it is impossible to comprehend. I will attempt to help clear some of the allusion. The Q is simple ...

Before we can examine a detector we must define the type - high level or low level? The diode has 3 sections in its characteristic curve. It...

 Just putting this here before I misplace it.   https://www.clooms.com/50-ohm/    

 These scans from the calculator should tell the story. It appears to be a matter of construction. So why 50 OHMs?

 The old saw is to obtain max power transfer you must match the source and load Z. The part that is left out is WHEN Zin = Zout half the pow...