A large voltage is applied from anode to cathode so that electrons will stream from the cathode to the anode (just to be clear, recall that conventional current, I in Amperes that we talked about ...A large voltage is applied from anode to cathode so that electrons will stream from the cathode to the anode (just to be clear, recall that conventional current, I in Amperes that we talked about in the last chapter is labeled to flow in the direction opposite to the electron flow). The original signal is the blue curve but the amplifier has a maximum output of 0.6 V so it clips off any part of the signal above 0.6 V (the red curve).