This document introduces Circuit Note CN-0241 Circuits from the Lab™ reference circuits, which are engineered and tested for quick and easy system integration to help solve today’s analog, mixed-signal, and RF design challenges. The document describes the devices connected/referenced, including ADA4096-2 30 V, Micropower, Overvoltage Protection, Rail-to-Rail Input/Output Amplifier, AD7920 250 kSPS, 12-bit, 250 kSPS ADC in 6-Lead SC70, and ADP3336 High Accuracy Ultralow IQ 500 mA anyCAP® Adjustable Low Dropout Linear Regulator.