User manual
Ordering information (Continued)
L4445A Microwave Switch/ 
Attenuator driver 
Includes User’s guide on CD,
test report, power cord, and
Quick Start package
Option -GPIB
Adds GPIB interface
Option 0B0
Deletes printed manual set, 
full documentation included 
on CD ROM
Option ABA
English printed manual set 
L4445A Accessories
Distribution boards are required
for control of external switches.
One 34945EXT external driver
required for each 64 coils –
holds 4 distribution boards
per 34945EXT extender
Y1150A
34945EXT distribution board
for 8 N181x SPDT switches
Y1151A
34945EXT distribution board
for two 87104x/106x multiport
or 87406B matrix switches
Y1152A 
34945EXT distribution board
for one 87204x/206x or 87606B
switch and two N181x switches 
Y1153A 
34945EXT distribution board
for two 84904/5/6/7/8 or
8494/5/6 step attenuators 
Y1154A 
34945EXT distribution board
for two 87222 transfer switches
and six N181x SPDT switches
Y1155A 
34945A distribution board 
w/ generic screw terminals 
for driving 16 switch coils 
Cable kits for connecting 
switches to distribution boards:
Y1157A 
9-to-10 pin cable kit for
Y1150A, Y1152A, Y1154A - 
supplies to build 4 cables
Y1158A 
10-to-10/10-to-14 pin cable kit
for Y1153A, Y1154A - 
supplies to build 2 cables
Y1159A 
16-to-16 pin cable kit for
Y1150A/51A/52A/53A/54A/55A-
supplies to build 2 cables
Other accessories
Y1160A 
Rack mount kit for 
L4400 series instruments-
racks 2 instruments side-by-side
with sliding tray
For additional information
please visit: 
http://www.agilent.com/find/L4445A
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