Quote:
Originally Posted by Zenith26kc20
Was looking thru the RCA tube manual and saw the 6BJ7 listed as a triple diode used in color TV as a dc restorer.
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The GE data sheet says that each section is like a section of a 6AL5. You might be able to use this 3 diode tube as a ratio detector for the FM sound demodulator, and the 3rd diode to detect the video. But most TV makers used quadrature detectors for the FM sound, and silicon or geranium diodes for video detectors, when this tube came out.