Posted on July 14, 2013 by jh1oodVertical Gain Checking the voltage at “V1” with both channels. CH2 (yellow) is inverted, and the green trace is CH1-CH2. Checking the voltage at “V2”. The vertical gains of CH1 and CH2 differ 3.34dB. OWON PDS5022S (fs=100MHz, 8-bit, 25MHz BW).