Rev 3079 Rev 3103
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18 This paper describe a design of Software Defined Receiver suitable for radioastronomy purposes. The receiver which has been developed in this project replacing old analog constructions such as RadioJOVE and others. 18 This paper describe a design of Software Defined Receiver suitable for radioastronomy purposes. The receiver which has been developed in this project replacing old analog constructions such as RadioJOVE and others.
19 \end{abstract} 19 \end{abstract}
20   20  
21 \begin{figure} [htbp] 21 \begin{figure} [htbp]
22 \begin{center} 22 \begin{center}
23 \includegraphics [width=80mm] {SDRX01B_Top_Big.JPG} 23 \includegraphics [width=80mm] {./img/SDRX01B_Top_Big.JPG}
24 \end{center} 24 \end{center}
25 \end{figure} 25 \end{figure}
26   26  
27 \begin{figure} [b] 27 \begin{figure} [b]
28 \includegraphics [width=25mm] {SDRX01B_QRcode.png} 28 \includegraphics [width=25mm] {./img/SDRX01B_QRcode.png}
29 \end{figure} 29 \end{figure}
30   30  
31 \newpage 31 \newpage
32 \tableofcontents 32 \tableofcontents
33   33  
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36 \begin{table}[htbp] 36 \begin{table}[htbp]
37 \begin{center} 37 \begin{center}
38 \begin{tabular}{|c|c|p{5cm}|} 38 \begin{tabular}{|c|c|p{5cm}|}
39 \hline 39 \hline
40 \multicolumn{1}{|c|}{Parameter} & \multicolumn{1}{|c|}{Value} & \multicolumn{1}{|c|}{Note} \\ \hline 40 \multicolumn{1}{|c|}{Parameter} & \multicolumn{1}{|c|}{Value} & \multicolumn{1}{|c|}{Note} \\ \hline
41 Powering voltage for analogue part & $\pm$12 V 100mA \footnote{First devices manufactured before 1.8.2011 may be equipped by 10 V tatal capacitors onl thus cannot by longly stressed by $\pm$12 V power voltage } & Typical current draw 30 mA \\ \hline 41 Power voltage for analog circuits & $\pm$12 V 100mA \footnote{First devices manufactured before 1.8.2011 may be equipped by 10 V tatal capacitors onl thus cannot by longly stressed by $\pm$12 V power voltage } & Typical current draw 30 mA \\ \hline
42 Powering voltage for digital part & +5V & 300mA \\ \hline 42 Powering voltage for digital part & +5V & 300mA \\ \hline
43 Bias of optional LNA & up to +20V max 500mA & Fused by 750mA on board \\ \hline 43 Bias of optional LNA & up to +20V max 500mA & Fused by 750mA on board \\ \hline
44 Frequency range & 0,5 - 200 MHz & With populating by chosen parts even up 450MHz \\ \hline 44 Frequency range & 0,5 - 200 MHz & With populating by chosen parts even up 450MHz \\ \hline
45 IIP3 & $>$ 0dB & Preliminary \\ \hline 45 IIP3 & $>$ 0dB & Preliminary \\ \hline
46 Gain & 40-60dB & Selectable by jumper \\ \hline 46 Gain & 40-60dB & Selectable by jumper \\ \hline