26.5 GHz Multiplexers, SPDT Relays, and Transfer Switches
NI PXI-2596, NI PXI-2597, NI PXI-2598, NI PXI-2599
• 26.5 GHz bandwidth
electromechanical relays
Operating Systems
• Windows 2000/NT/XP
• 50
Ωcharacteristic impedance
Recommended Software
• NI Switch Executive
• LabVIEW
• LabWindows/CVI
• Measurement Studio
• Onboard relay counting
• Fully software programmable
• Configurations
• PXI-2596 – dual 6x1 unterminated
multiplexer (SP6T)
• PXI-2597 – 6x1 terminated
multiplexer (SP6T)
Other Compatible Software
• Visual Basic
• PXI-2598 – dual transfer switch
• C/C++
• PXI-2599 – dual SPDT
(Form C) relays
• Modules designed using microwave
relays from Radiall
Driver/Services Software
(included)
• NI-SWITCH
• NI-DAQmx
Overview and Applications
Software
The National Instruments PXI-2596, PXI-2597, PXI-2598, and PXI-2599
multiplexers, SPDT relays, and transfer switch modules route RF or
microwave signals in automated test applications. While designed to
operate with less than 1 dB insertion loss up to 26.5 GHz, they appear
almost invisible to signals at much lower frequencies as well. Use the
NI PXI-2597 terminated multiplexer when high-power signal reflections are
All National Instruments PXI switch modules are shipped with NI-SWITCH,
an IVI-compliant driver offering complete functionality for all switch
modules. For additional assistance in configuring, programming, and
managing higher-channel-count switching systems, NI Switch Executive
software offers an easy-to-use, intelligent switch management and visual
routing environment. With the latest version of NI Switch Executive, you
can store calibration information for your RF/microwave switch routes on a
per-path basis. Use the NI-SWITCH Soft Front Panel for simple relay
a concern and 50
Ωterminations are required. The PXI-2596 offers a
higher-density, unterminated option with dual 6x1 multiplexer banks in the
same module. The PXI-2598 and PXI-2599 operate as transfer switches and operations or debugging switch code/execution.
SPDT relays, respectively, for basic signal routing or inserting and
removing components in a signal path. These modules are also well-suited
for passing high-order harmonics from RF upconverters such as the
NI PXI-5670 2.7 GHz RF vector signal generator or routing multiple sources to
RF downconverters such as the NI PXI-5660 2.7 GHz RF vector signal analyzer.
Ordering Information
NI PXI-2596............................................................................778572-96
NI PXI-2597............................................................................778572-97
NI PXI-2598............................................................................778572-98
NI PXI-2599............................................................................778572-99
Includes NI-SWITCH and NI-DAQmx driver software.
Relay Count Tracking
The switches count relay closures on each of their individual relays.
Relay counts are incremented each time a relay is actuated. You can
programmatically retrieve the counts, stored on board the modules, and use
them for predictive maintenance to reduce unexpected system downtime.
Accessories
SMA male-male cable (semirigid)
0.15 cm..........................................................................…763443-01
0.45 cm..............................................................................763444-01
NI Switch Executive
Signal Connectivity Options
Development system ........................................................778546-01
Deployment engine ..........................................................778548-00
The PXI-2596, PXI-2597, PXI-2598, and PXI-2599 all use standard SMA
connectors for signal connections. National Instruments offers two semirigid
SMA cables (0.15 and 0.45 cm) that are acceptable for many RF/microwave
signals. There are also many custom cable vendors on the market that can
meet your exact cable length, performance, and connector requirements.
Please visit ni.com/switches for a list of third-party cable vendors.
BUY NOW!
For complete product specifications, pricing, and accessory information,
call (800) 813 3693 (U.S.) or go to ni.com/switches.
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