View credits, reviews, tracks and shop for the Cassette release of "Untitled" on Discogs. Auf Discogs k├Ânnen Sie sich ansehen, wer an Cassettevon Untitled mitgewirkt hat, Rezensionen und Titellisten lesen und auf dem Marktplatz nach der. TRIODE-PENTODE. 6BH8. ET-T Page 1. Electronic. TUBES. DESCRIPTION AND RATING. BASING DIAGRAM. The 6BH8 is a general-purpose miniature tube which. Planar triode for use as microwave amplifier, mixer and oscillator at frequencies of about Mc. High transconductance gives the tube a superior figure of. The 6GH8-A is a miniature tube which contains a sharp-cutoff pentode and a medium-mu triode. Each section has a separate cathode and is electrically. Triode valve is a vacuum tube having three electrodes namely plate, cathode and grid inside evacuated glass tube. It works on the principle of thermionic. sidered and prepared, modifications were made to the triode oscillator and Various parts of the triode cavity were re-made, including the tuning. control grid of a triode A negative voltage is trans mitted from terminal 51 to the control grid of triode 59 when it is desired to lower the set point. Federal's Type F-7C25 is a three electrode tube designed for use in industrial applications. The relatively wide spac- ing between the elements. Miniature dual frode pin # | Electrode name. Plate of 2 triode. Grid of 7 triode. Cathode of 2n triode. 4,5,9 Heater. Plate of 7 triode. Grid of 1 triode.