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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

9

Summary of Contents for L4445A

Page 1: ... that controls external switches and attenuators With its small size and Ethernet connectivity the switch attenuator driver can be placed wherever your application needs it The Agilent L4445A provides digital outputs to control switches attenuators and other devices that are typically used to route signals in a high frequency system Many of the most popular microwave switches and attenuators are s...

Page 2: ...945EXT and are used to route the power and control signals from the driver to the switches using user supplied cables This enables simple connections to the external switches without a lot of complicated wiring The following microwave switches and attenuators are supported with the Y1150A Y1155A distribution boards N181x U9397x series SPDT switches 8762 3 4 series SPDT switches screw terminals 876...

Page 3: ...CPI commands Define and execute switch sequences View error queue Get status reports on relay cycle counts firmware revisions and more Additionally since the Web server is built into the instru ment you can access it on any operating system that supports the Web browser without having to install any special software Password protection and LAN lockout are also provided to limit access for addition...

Page 4: ...ce switching wherever your application needs it Power button Status LEDs 9 pin cable Y1150A Y1155A distribution boards ordered separately User supplied switches and cables 34945EXT extender holds 4 distribution boards ...

Page 5: ...x 0 8 V Hi input voltage min 2 5 V Input resistance 100 kΩ Vin 5 V 20 kΩ Vin 5 V Maximum input voltage 30 V 34945EXT switch drive power supply 34945EXT powered by 34945A Voltage 24 V nominal external power supply required for switches needing different voltages Current 100 mA continuous 200 mA 15 ms pulse 25 duty cycle 34945EXT external power connection Voltage range 4 75 V to 30 V Current limit 2...

Page 6: ...ng Environment Full accuracy for 0 C to 55 C Full accuracy to 80 R H at 40 C Storage environment 40 C to 70 C Dimensions H x W x L 40 9 x 212 3 x 379 3 mm 1 61 x 8 36 x 14 93 in 34945EXT dimensions 38 1 x 114 3 x 284 5 mm 1 5 x 4 5 x 11 2 in with distribution boards installed Weight 3 6 kg 8 0 lbs Safety conforms to CSA UL IEC EN 61010 1 EMC conforms to IEC EN 61326 1 CISPR 11 Warranty 1 year 6 Pr...

Page 7: ...00BaseTx Optional IEEE 488 2 GPIB Software driver support for programming languages Software drivers IVI C and IVI COM for Windows NT 2000 XP LabVIEW Compatible with programming tools and environments Agilent VEE Pro T M Toolkit reqs Visual Studio NET National Instruments TestStand Measurement Studio LabWindows CVI LabVIEW Switch Executive Microsoft Visual Studio NET C C Visual Basic 6 1 Load I O ...

Page 8: ...itches qty 8 N1810UL DC 20 GHz SPDT Switches qty 1 L4445A Switch Attenuator Driver when ordering the L4445A the 34945EXT is automatically added for controlling switches qty 2 Y1152A Distribution Boards qty1 Y1150A Distribution Board Either build own cables using off the shelf parts or order qty 1 Y1159A 16 to 16 pin connect kit supplies for 2 cables and qty 2 Y1157A 9 to 10 pin cable kit supplies ...

Page 9: ... 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 b...

Page 10: ... assistance onsite education and training as well as design system integration and project management For more information on repair and calibration services go to www agilent com find removealldoubt www agilent com For more information on Agilent Technologies products applications or services please contact your local Agilent office The complete list is available at www agilent com find contactus...

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