[opendtv] Re: France bids farewell to SECAM
- From: Olivier Houot <olho_avatar_i@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Sun, 11 Dec 2011 05:00:44 +0100
Peter Wilson:
> The mixers were in fact component at the beginning in the 60's, long
> before it was reinvented in the 80's.
>
> The reason it was lost for a while was trying to get stability from
> Germanium transistors for diff gain, phase general stability etc.
>
> The mixers were a total nightmare to maintain and line up.
I stand corrected (and instructed).
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