There are topologies very useful for placing poles where you want them, such as the Sallen-Key. Keep in mind when using these that capacitors don't have great tolerances, so avois designs that require precision capacitances. http://en.m.wikipedia.org/wiki/Active_filter

There are topologies very useful for placing poles where you want them, such as the Sallen-Key. Keep in mind when using these that capacitors don't have great tolerances, so avoid designs that require precision capacitances. http://en.m.wikipedia.org/wiki/Active_filter