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</o:shapelayout></xml><![endif]--></head><body lang=PT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal align=center style='text-align:center'><a href="http://www.cqdx.ru/ham/wp-content/uploads/2012/01/droppedImage.jpg"><span style='color:windowtext;mso-fareast-language:PT;text-decoration:none'><img border=0 width=540 height=363 id="Imagem_x0020_4" src="cid:image001.jpg@01CCD11D.57BA0F90" alt="Descrição: http://www.cqdx.ru/ham/wp-content/uploads/2012/01/droppedImage.jpg"></span></a><span lang=EN-US><o:p></o:p></span></p><p class=paragraphstyle><span lang=EN>NetSDR-Option X2<br></span><span class=style11><span lang=EN style='font-size:13.5pt'>In Development!</span></span><span lang=EN><o:p></o:p></span></p><p class=MsoNormal><span lang=EN><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US>Second Coherent Channel Option for NetSDR</span></b><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>The NetSDR Option X2 board adds a second coherent channel input to existing NetSDR radios. The Option-X2 includes a high performance 10 MHz reference input VCO that synchronizes both ADCs to the same reference. This option enables the unused BNC connector on the back of the NetSDR as a second RX input. This board includes a high performance 16 bit ADC, filter bank and separate attenuators. In addition, the new FPGA configuration allows phase adjustments in 32 bit precision of each receiver for beam forming applications. The I/Q data can be formatted as separate I/Q streams for each channel or as a sum or difference of both channels after phase and amplitude adjustment.<o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US><o:p> </o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US>Possible uses:</span></b><span lang=EN-US><br>Polarization control<br>Beam steering<br>Radio Astronomy Interferometers<br>MAP-65 receiver<br>Direction Finding<br>Noise Antenna subtraction<br>Dual band simultaneous reception and recording<o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US><o:p> </o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US>SPECIFICATIONS</span></b><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Frequency Range: 0.01 – 34 MHz x2 32bit<br>Phase Adj. Range: -2pi to +2pi x2 32bit<br>Amplitude Adj. Range: 0 – 1 x2 16bit TBD<br>Synchronization : 10 MHz Reference Input<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Filters: 100 dB 80% Alias Free BW<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Decimation Rate: Variable 40-6400 (in 4 increment)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Output I/Q BW:10 KHz to 800 KHz x2 *NEW*<br>Output I/Q BW:1600 KHz IQ=RX1+RX2,RX1,RX2<o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US><o:p> </o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US>DDC Flatness:</span></b><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Dynamic Range: 104+ dB<br>MDS Preamp Off (500Hz): -129dBm 1.8 – 30 MHz<br>MDS Preamp On (500Hz): -130dBm 1.8 – 30 MHz Analog to Digital Converter: 16bit x2 *NEW*<br>Preselection: 10 Filters<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Attenuators: 0, -10dB, -20dB, -30dB<br>Sample Rate: 80.000 000 MHz<br>Connections Active: 3 x BNC (RF 1, Ext Ref, RF 2) , RS-232, USB Setup, Aux, Ethernet, Power, RX Mute.<o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US><o:p> </o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US>Ethernet Bandwidth Requirements:</span></b><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2.00 MHz Output Sample Rate = 64.0Mb/s*16bit IQ<br>1.00 MHz Output Sample Rate = 48.0Mb/s*24bit IQ 0.50 MHz Output Sample Rate = 24.0Mb/s*24bit IQ 0.01 MHz Output Sample Rate = 0.60Mb/s*24bit IQ<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Price: US TBD<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Fonte: RFSPACE e <span lang=EN-US>SPARKY's Blog</span><o:p></o:p></p></div></body></html>