Notice: This document contains references to Agilent.
Please note that Agilent’s Test and Measurement busi-
ness has become Keysight Technologies. For more in-
formation, go to www.keysight.com.
Keysight E8257D/57N/67D and E8663D
PSG Signal Generators Add Option UNX
(Ultra-Low Phase Noise Performance)
Kit Part Numbers:
E8251-60417, E8251-60980, and E8251-60991
Installation Note
P
art Number E8251-90309
Printed in USA August 2014