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Old 10th Jan 2005, 12:01 am   #12
AC/HL
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Join Date: Nov 2003
Location: Heckmondwike, West Yorkshire, UK.
Posts: 9,210
Default Re: "Energetica" museum in Amsterdam

Quote:
Originally Posted by Darius
Good idea,
I repaired one for a friend and I remember the ECL80 for the
V- deflection works with the Booster voltage to keep the
current low.

Kind regards,
Darius
As I understand it, the frame circuits in valve receivers used the boost supply to improve linearity. Using the higher voltage enabled them to use only the linear part of the curve instead of having to use it all.
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