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Pentek Model 7150 software radio |
Quad 200 MHz, 16-bit A/D with Virtex-5 FPGAs PMC/XMC
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Pentek Model 7151 software radio
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Quad 200 MHz, 16-bit A/D, 256 Channel DDC - PMC
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Maxim APPLICATION NOTE 4237
for the MAX2769 GPS receiver (First global navigation
satellite system (GNSS) receiver covering GPS,
GLONASS*, and Galileo navigation satellite systems on a
single chip. This single-conversion, low-IF GNSS receiver
is designed to provide high performance for a wide range
of consumer product development applications, including mobile handsets.) "Universal GPS Receiver Lets You Use a Laptop PC for Soft Baseband Processing",
By: David Weber, Strategic Applications Engineer, and Roger Bremer, Strategic Applications Engineer Excellent Applications note from Maxim for use in Product Development of GPS devices with a "roll your own" approach to processing. |
Also contains a general, overall description of the GPS system, including:
The authors state: "The CPU inside most of today's laptop computers has plenty of performance to meet the real-time decoding needs of software GPS receivers. On a 1GHz Pentium® M system, the average processor load when tracking will be about 6%; on a 2.18GHz Core™ Duo processor, the processor load will typically be below 5% when performing updates every second. With further algorithm development, it is possible to reduce the CPU usage to under 2%."And conclude: "Software GPS techniques provide a high level of flexibility and simplicity for many potential applications. To support these possibilities, the MAX2769 GPS receiver RF front-end provides flexibility in frequency planning for software GPS receivers, as well as traditional hardware implementations. Of course, every solution has its pros and cons—software GPS receivers require a high-performance processor and moderate amounts of memory. However, with software development and the proper selection of clocking and data update rates, memory usage can be minimized." |
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VersaLogic - Cougar AMD LX 800 SBC A mid-performance single board computer offering very low power consumption. AMD LX 800 processor provides fanless extended temperature operation. Dual 10/100 Ethernet, USB 2.0 ports, and RS-232/422/485 COM ports allow the Cougar to target product development applications for military, avionics, homeland security, medical, embedded computing.
OS Compatibility: Windows CE/XP/XPe, Linux, VxWorks, QNX, DOS
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| SiLabs C8051F9xx series of microcontrollers that operate down to 0.9 VDC. Integrated dc-dc converter provides a
fast wake-up time, low active-mode, and ultra-low sleep mode current
consumptions. Capable of full-spec operation down to 0.9 V and up to 3.6 V, enabling single-cell battery operation as well as dramatically increasing battery life for dual-cell applications. Integrated dc-dc converter provides a fast wake-up time, low active-mode, and ultra-low sleep mode current consumptions. |
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The In Hand, Fingertip5, single board computer for product development in the hand-held and portable markets.
Based on the Marvell PXA320 Processor series, which is build on a 90 nm process.
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