N Nrets New Member Jan 3, 2009 #1 I'm having trouble understanding how this two NPN transistor circuit works as an inverter: To me, it seems that if pin 7 goes high, then Q1 will switch, causing Q2 to switch also. If pin 7 goes low, I don't see how anything will happen. What am I missing?
I'm having trouble understanding how this two NPN transistor circuit works as an inverter: To me, it seems that if pin 7 goes high, then Q1 will switch, causing Q2 to switch also. If pin 7 goes low, I don't see how anything will happen. What am I missing?