Hi, I am attempting to figure out how an FM transmitter I'm building works. I was wondering if anyone had some suggestions on a resource for transistor circuits or just has some ideas of how to go about figuring it out. If anyone is interested, here is the schematic. http://www.uoguelph.ca/~antoon/circ/fmt5.html I believe that if I understand the 4 mini circuits built around each transmitter that would serve my purposes. I tried building the first stage (the 3904 on the left) by itself and I do not understand its output. It actually seems to be reducing the gain of the input signal. I don't know if its purpose is for some sort of oscillation. The second one looks like a common emitter amplifier. The 7001 stages I am completely unfamiliar with. Thanks for any suggestions. I really just want to understand what I'm building and I do not have much experience with circuits.