Design and Development of Wideband Up/Down Converter for Sigint Receiver
|International Journal of Engineering Trends and Technology (IJETT)||
|© 2017 by IJETT Journal|
|Year of Publication : 2017|
|Authors : M.Sowmyasri, S.Aruna, K.Srinivasa Naik, Ch.Viswanadham
|DOI : 10.14445/22315381/IJETT-V52P229|
M.Sowmyasri, S.Aruna, K.Srinivasa Naik, Ch.Viswanadham "Design and Development of Wideband Up/Down Converter for Sigint Receiver", International Journal of Engineering Trends and Technology (IJETT), V52(3),188-195 October 2017. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
A typical ELINT system consists of Antenna subsystem, Receiver subsystem, Processor subsystem and Display subsystem. Receiver measure, the radar parameters in parallel hardware and ensure the entire measured data of radar signals are available within 100ns for further processing. The receiver is built with analog, Radio Frequency, Microwave, digital hardware and software. In current systems, the antenna system is built with an array of antennas, front end RF and microwave components, interface hardware, etc.. The antenna subsystem processes the received signal from antennas and transfers to receiver subsystem for parameter measurements. The processing in antenna subsystem includes reception, front end amplification for SNR improvements, conversion to a suitable frequency range, detection, etc., One of the front end processing is a conversion of the incoming RF frequencies to upper or lower bands. In the present project, the incoming RF signals in the frequency range of 2-18 GHz need to be converted to 8-11 GHz band, i.e. 3 GHz IBW.
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