<transcript><audio_87>it right in the center we'll have maximum usage of that load line okay and we'll get the biggest possible signal so in other words I want</transcript><caption><image_88>The image is a whiteboard with a hand holding a black marker and writing on it. On the whiteboard, there are several diagrams and equations written in black marker. The equations appear to be related to an AC load line, which is a type of electrical circuit.

The diagrams are arranged in a grid-like pattern, with each diagram representing a different component of the circuit. The first diagram is labeled "AC Load Line" and shows a series of lines connecting different components, such as resistors, capacitors, and inductors. The second diagram is titled "Class A" and has a label that reads "Class B". The third diagram is labelled "Class C" and is labeled as "Class D". The fourth diagram is a line graph with a red arrow pointing to the right side of the image, indicating the direction of the load line. The fifth diagram has a blue arrow pointing towards the left side, indicating that the load is moving towards the right. The sixth diagram has an arrow pointing downwards, indicating a downward trend. The seventh diagram has two lines, one labeled "C" and the other labeled "D", which are connected by a series line. 

Overall, the image appears to be a visual representation of a circuit</caption><transcript><audio_89>these two halves in these two equations to be the same but I want them to literally be halves in other words if we have a centered Q point if the Q point is in the center then it would have to</transcript><transcript><audio_90>be true that I see Q equals V CEQ divided by RC plus re or if you prefer you can look at it this way and say V CEQ would have to equal I see Q times</transcript><transcript><audio_91>the quantity RC plus re or you could even look at it as you know sort of a resistive relationship right you could say that V CEQ over I CQ would have to</transcript><caption><image_92>The image is a whiteboard with a diagram and some notes written on it. The diagram appears to be a circuit diagram with various components such as resistors, capacitors, and transistors. 

The diagram is divided into two sections. The left side of the diagram shows the circuit with the resistors and capacitors connected to it. On the right side, there is a line graph with a red arrow pointing to the left and a blue arrow pointing towards the right. The line graph is labeled "AC Load Line" and shows the current and voltage levels of the circuit.

There are also some notes and diagrams written on the whiteboard, which appear to be related to the circuit diagram. The notes are written in black marker and are likely related to physics or mathematics.</caption><transcript><audio_93>equal RC plus r e are these three I think this middle one is the most useful as you will see it's the most</transcript> it right in the center we'll have maximum usage of that load line okay and we'll get the biggest possible signal so in other words I want these two halves in these two equations to be the same but I want them to literally be halves in other words if we have a centered Q point if the Q point is in the center then it would have to be true that I see Q equals V CEQ divided by RC plus re or if you prefer you can look at it this way and say V CEQ would have to equal I see Q times the quantity RC plus re or you could even look at it as you know sort of a resistive relationship right you could say that V CEQ over I CQ would have to equal RC plus r e are these three I think this middle one is the most useful as you will see it's the most
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