Connect a 470 nF capacitor between UTS Black Box 1 terminal 4 and terminal 3.
Connect the DSO as shown in Figure LT1-5-1. 
Show the DSO waveforms to a Lab Tutor.
Using the DSO Measure functions, record the DC value of 𝑉43, the peak-to-peak ripple voltage of  𝑉43 and the ripple frequency of  𝑉43.
Figure LT1-5-1
Show the DSO waveforms and measurements to a Lab Tutor.