A tube has its cathode connected to ground. The grid of the tube connects to ground through a resistor labeled 10 meg ohms. There are a pair of terminals on the left labeled input. The lower one connects to ground and the upper one connects to the grid of the tube. The plate of the tube connects through a resistor labeled Rb to a point labeled plate supply voltage, E b b. The plate also connects through a capacitor labeled Cc to the upper output terminal. This terminal connects through a resistor labeled Rcf to ground. The lower output terminal is grounded. End of verbal description.
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