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Design of a channel board used in an electronic warfare target simulator
Linköping University, Department of Electrical Engineering.
2006 (English)Independent thesis Advanced level (degree of Magister), 20 points / 30 hpStudent thesis
Abstract [en]

A channel board was designed for a DRFM circuit. The DRFM is implemented in a Virtex-4 FPGA from Xilinx. In the future a similar channel board is intended to be used for target echo generation in ELSI which is an electronic warfare simulator at Saab Bofors Dynamics in Linköping.

Besides the DRFM circuit the channel board consists of analog-to-digital converters, digital-to-analog converters, Ethernet plug-in board with a microcontroller, voltage regulators, FPGA configuration memory, voltage amplifiers, current amplifiers, oscillator, buffers/drivers and bus transceivers. The sample rate is 200 MHz and LVDS signalling standard is used between the DRFM circuit and the converters.

The channel board has a JTAG interface which enables in-system programming of the FPGA. This implies that the DRFM can easily be redesigned. An external computer can manage the channel board via Ethernet. Software was developed for the microcontroller on the channel board and for the external computer. The function of the channel board is heavily dependent on the DRFM circuit.

The channel board design resulted in the assembly of a prototype circuit board. Measurements were performed in a lab and the channel board was approved to be integrated in ELSI for further tests.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2006. , 61 p.
Keyword [en]
Saab Bofors Dynamics, Electronic Warfare Simulator, Target echo generation, Circuit board, DRFM, FPGA, Microcontroller, Ethernet
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-7529ISRN: LiTH-ISY-EX--06/3865--SEOAI: diva2:22535
2006-10-02, Nollstället, B-huset, Linköpings universitet, 13:15
Available from: 2006-10-16 Created: 2006-10-16

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