Keysight Technologies L4490A, User Manual

Page: 43 / 160

Keysight L4490A/L4491A User’s Guide 43
Hardware Configuration
In summary, quiescent current calculations must include the quiescent current of
the 34945EXT, plus the quiescent current requirement of each switch connected
to the module.
Similarly, switching current calculations must include the quiescent currents of
the EXT module and the switch, plus the switching (actuation pulse) current.
Keysight Switch/Attenuator Configuration
This section contains pin definitions and orientation to assist in connecting the
Keysight switches/attenuators listed in Table 1-2 to their corresponding Y115x
distribution boards.
Only general information is provided. Refer to the reference documents listed in
Table 1-2 for more information on the individual switches. Refer also to Table 1-2
for the number of switches allowed per distribution board.