On tests and homework in my electronics class, I have big problems trying to figure out how to analyze circuits to get information about various values such as Vout and Vin based on the specific circuit given in the problem. The questions we get are such that I need to draw a Vout vs Vin graph given a circuit, and that circuit could be anything. It could have diodes, capacitors, resistors, transistors, etc, and unless it's exactly like a circuit I've seen before, I can't figure out how to do it. Basically, I'm not knowledgeable enough about circuits and how the circuit elements behave in a circuit to be able to analyze the circuit to calculate the voltage or current values it will have at certain points. Does anyone know of any online resources that could teach me this sort of thing? The book I have isn't helping me. Thanks.