(under subclass 157) Subject matter wherein the signal output is coupled form the cathode electrode of the preceding vacuum tube amplifier device of the two cascaded amplifying devices, to the input of the following amplifier device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
70+, for series energized vacuum tube amplifiers which may have an output circuit from the cathode.
88, and 91, for cascaded vacuum tube amplifying devices with signal feedback from the cathode.
89, for amplifiers having adjacent cascaded stages with cathode-cathode coupling.
117, for amplifiers with unbalanced-to-balanced coupling including phase splitters with cathode output coupling.
119, for push-pull amplifiers with coupling from the cathode. 153, for plural stage cascaded vacuum tube amplifying devices with different coupling between stages including a cathode follower stage.
156, for bootstrap coupling.
168, for interstage transformer coupling from the cathode.
193+, for amplifier output coupling networks from the cathode of the amplifying device (cathode followers) see the notes and search notes thereunder.
250+, for semiconductor amplifiers having emitter output analogous to cathode follower output.
