66 U8903A User’s Guide
3 Instrument Configuration
Output Settings
The U8903A generator output settings can be configured
using selectable output connections and impedances as
shown in the figure below.
Figure 3-12 Output settings
Output type
The output connection can be set to Balanced, Unbalanced,
or Common mode.
Balanced outputs a pair of differential signals which are
equal in amplitude but 180 out of phase on the XLR
positive and negative pins.
Unbalanced outputs a signal referenced to ground on the
BNC output connector.
Common mode outputs a pair of equal amplitude and
in- phase signals on the XLR positive and negative pins.