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Old 30th Dec 2017, 11:37 am   #34
ENGLISH VICTOR
Hexode
 
Join Date: Feb 2008
Location: Sydney, Australia
Posts: 356
Default Re: Vintage Television Technology.

Hi All,
The ECL80 that was used in the V4 series of sets as mixer/oscillator employed the then popular I.F. of Vision 16.00 MHz. Sound 19.5MHz, not the later Brema frequencies of about twice the frequency.
Victor
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