Certificates of deposit, or CDs, are fixed income investments that generally pay a set rate of interest over a fixed time period.
When referenced to the local common or ground, a common-mode signal appears on both lines of a two-wire cable, in-phase and with equal amplitudes. Technically, a common-mode voltage is one-half the vector sum of the voltages from each conductor of a balanced circuit to local ground or common.
Note: This common SE term is the origin of common. mode voltage gain. Instrumentation amplifiers typically have several internal. differential pairs, all of which contribute to developing. the final SE output, which includes a net common mode. gain term.