1. Bob Pease made this prototype of the Philbrick P45 op amp back in the 1960s. The top-side of the board looks like a production PCB.

What’s the right PCB to implement for your device? One must weigh various factors, including layer structure, materials used such as copper-clad laminate, and, of course, circuit ...

For your first circuit board, one goal is to keep the circuit single sided so you can etch using single sided copper clad. This will allow you to gain some experience before moving on to double-sided.