I think there is a 90-deg phase shift in the osc signal!
There is programmed PAL (16V8B) in the circuit that will be the "div by 4" for the 90 deg phase shift I think.
 
73, pe0fko
 
----- Original Message -----
Sent: Thursday, July 14, 2005 12:29 PM
Subject: [soft_radio] ESS Time Machine

Hi, all concerned:

After further thought, I think the question should have been:

1. Is there any form of image rejection in the circuit, *with* 90-deg
local-oscillator phasing, and *without* the inversions of signals to
the mixers ?

73 and TIA,

Dave, N3HE






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