Special Feature
Mountble) e c a f r a Su le Avasiland o H u r (Th sformer Tran nductors ly I mediate g im Catalo
com o’s full onics. See Pic electr w w w. p
ico
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Key Features
Potential Applications
3U CompactPCI
100 x 160
Compact Size and Weight, Rugged Design
Avionics (such as UAVs), Graphics-Based Ground Applications
ETX
95 x 114
Customizable, Rugged
Avionics, Rugged Computing Platforms (such as UMPCs)
PC/104
90 x 96
Stackability, Passive Cooling
Aircraft Radio and Navigation Systems, Multifunction Displays, Missile Launchers
AdvancedTCA
322 x 280
Fast Bandwidth, Design Flexibility, Open Framework
Next-Generation Carrier-Grade Communications Equipment (such as communication servers)
COM Express
125 x 95
Small, Rugged, Flexible
Unmanned Vehicles, Training Simulators, Portable Tactical Communication Devices
MiniITX
170 x 170
Widespread Availability, Ease of Deployment, Value
Rugged PC Platforms, Network Servers
Audio Transformers
Table 1
Power & EMI Inductors
The small form-factors available for military system designs each combine size, performance, power dissipation and price point variables in different ways, and are suited to different applications.
Impedance Levels 10 ohms to 250k ohms, Power Levels to 3 Watts, Frequency Response ±3db 20Hz to 250Hz. All units manufactured and tested to MIL-PRF-27. QPL Units available.
Ideal for noise, spike and Power Filtering Applications in Power Supplies, DC-DC Converters and Switching Regulators
Pulse Transformers
10 Nanoseconds to 100 Microseconds. ET Rating to 150 Volt Microsecond, Manufactured and tested to MIL-PRF-21038.
Multiplex Data Bus Pulse Transformers Plug-In units meet the requirements of QPL-MIL-PRF 21038/27. Surface units are electrical equivilents of QPL-MIL-PRF 21038/27.
Input voltages of 5V, 12V, 24V And 48V. Standard Output Voltages to 300V (Special voltages can be supplied). Can be used as self saturating or linear switching applications. All units manufactured and tested to MIL-PRF-27.
400Hz/800Hz Power Transformers
0.4 Watts to 150 Watts. Secondary Voltages 5V to 300V. Units manufactured to MIL-PRF-27 Grade 5, Class S (Class V, 1550C available).
Delivery eek one w to k c to s
See EEM or send direct for FREE PICO Catalog Call toll free 800-431-1064 in NY call 914-738-1400 Fax 914-738-8225
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[ 22 ] COTS Journal May 2007
power consumption. As multicore processing platforms become more available, the technology is being integrated into small form-factor boards targeted toward military applications.
Options Abound for Small FormFactor Rugged Systems
DC-DC Converter Transformers
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Form-Factor Size (mm x mm)
5/8/07 9:29:19 AM
Unfortunately, a one-size-fits-all solution does not exist today. A myriad of different form-factors are currently available, each with its own combination of size, performance, power dissipation and price point variables to consider (Table 1). Until recently, VME was the solution of choice for high-end military applications. However, current VME designs are unable to meet some of the new applications’ demands due to high power dissipation, relatively large size and price points that tend to exceed budgets. To satisfy the need for smaller size and lower cost, a number of standards-based, modular, off-the-shelf form-factors have emerged. They are CompactPCI, AdvancedTCA, Embedded Technology eXtended (ETX), COM Express, PC/104 and MiniITX. CompactPCI has thrived in military applications, since the limitations
of VME-based architectures have been unable to keep up with design requirements. The 6U form-factor has quickly replaced VMEbus in large custom designs. But as the pressure to reduce size and weight intensifies, particularly for Unmanned Aerial Vehicles (UAVs) that carry an increasing array of electronics, the smaller, 3U CompactPCI form-factor is gaining popularity. This form-factor also offers ruggedization benefits due to its significantly greater stiffness, making it less susceptible to shock and vibration. AdvancedTCA, with its fast bandwidth and design flexibility, has also made significant inroads into military communication applications that are not deployed in the conflict zone. Targeted to the requirements of next-generation, carrier-grade communications equipment, ATCA incorporates the latest trends in high-speed interconnect technologies and next-generation processors, as well as improved reliability, manageability and serviceability. Embedded Technology eXtended has established itself as a popular, non-backplane form-factor. Targeting customizable embedded requirements,