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LUMINANCE_AMPLIFIER

2014-11-16 01:02  
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LUMINANCE_AMPLIFIER
Provides bandwidth of 2 Mc, with 200.v output, for color set having transistors in all except defection and rectifier circuits. Brightness is controlled by shifting base bias voltage of Q12, and contrast by varying ac emitter impedance of Q12.-D. Bray, Solid State Makes Debut in Big-Screen Color Tv, Electronics, 39:8, p 99-105.