[sci.electronics] Heterodyning -- explained!

john@qip.UUCP (John Moore) (09/12/90)

In article <17660103@hpfcdj.HP.COM> myers@hpfcdj.HP.COM (Bob Myers) writes:
]
]Look, guys, take it to E-mail, OK?  I have no idea why John was so insistent
]on bringing the whole mathematical details up when the original questions -
]"what is a superheterodyne, and what is heterodyning?" were more than
]adequately answered by some simple, short, practical responses, at least on
Very simple, Bob. The only answer I saw at the time I saw the post
was a bizzarre and complex thing about multiplication. I was trying
to give a simple explanation (the trig one), with more details for
those who were interested.
]the level apparently intended by the original questioner.  Perhaps John simply
]enjoys posting mathematical minutiae for us to gaze at.  He IS correct - but
]then, on a practical level, so are those who simply said "Look, it's just
](1 + sin (A)) times sin B, OK?"  There was NO NEED to bring all of this
Hey, Bob - that's essentially what I said, until it was challenged!


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