IMG_8470
Before heterodyne. (i.e. no 455KHz IF filter, Local oscillator and mixer) - 3 separate tunable RF amplifying stages.
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Uploaded on February 21, 2009
Taken on February 21, 2009
IMG_8470
Before heterodyne. (i.e. no 455KHz IF filter, Local oscillator and mixer) - 3 separate tunable RF amplifying stages.
141
views
0
faves
0
comments
Uploaded on February 21, 2009
Taken on February 21, 2009