Sponsored By
Efika 5200B Project
A high performance Software Defined Radio (SDR)in category Hardware
proposed by greg19606 on 22nd February 2006 (accepted on 20th March 2006)
Project Summary
My Idea is s Software Defined Radio for use on the amateur radio bands. It will incorporate many functions. Including multi carrier modulation and demodulation. And also allows remote operation.This Radio is different from the current art in that it does all of the signal processing in software not analog hardware.
This system is ideal for local clubs for use in a club station or during emergency events because you only need one antenna and radio with multiple controllers
Project Blog Entries
Well as the actual production specs for the efika has been announced I have been able to make some selections on what hardware will be used.
In the proposed architecture a wide spectum of radio signals are digitized by a high speed Analog to Digital converter. Currently the plan is to use a
AD6636
for this purpose
This is then followed by a coprocessor in this case an AD9446 to tak the data at a rate of aproxamatly 100 million samples per second and reduce it to a more managable 15k samples per second which is passed on to an fpga connected to the PCI interface on the EFIKA
Currently the transmit section is the recieve section in reverse but the actual hardware is still being selected
After the EFIKA has processed the data into an audio signal it formats it into a UDP packet for transmission to the user terminal via a 802.11g connection.