Fifty Nifty Variations of Two-Transistor Circuits: A tribute to the versatility of MOSFETs

We present a compendium of two-metal-oxide-semiconductor (MOS)-transistor circuits, which span the range from simple standard configurations to ingenious arrangements. Using these building blocks, circuit designers can assemble a vast array of complex analog functions. This (incomplete) collection shall serve as a reference and inspiration to junior circuit designers and hopefully contains at least one unexpected example for professional engineers.