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NetSDR

Wideband Digital Radio

User’s Guide

Firmware Revision 1.07 & 1.08

FPGA Revision 3 & 4

                                                                                                                                                                           1

Jan 2012

 

            RFSPACE, Inc.

   NetSDR Wideband Digital Radio User’s Guide

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Summary of Contents for NetSDR

Page 1: ...NetSDR Wideband Digital Radio User s Guide Firmware Revision 1 07 1 08 FPGA Revision 3 4 1 Jan 2012 RFSPACE Inc NetSDR Wideband Digital Radio User s Guide Type to enter text ...

Page 2: ...recautions 5 Hardware 6 Introduction 7 Front Panel 8 Rear Panel 9 Installation 10 SDRNetFinder Software 12 SDR Radio Software 13 CuteSDR Application 14 Interface Specifications 15 Compliance 16 2 Jan 2012 RFSPACE Inc NetSDR Wideband Digital Radio User s Guide ...

Page 3: ...are defect arises and a valid claim is received within this Warranty Period at its option and to the extent permitted by law RFSPACE will either 1 repair the hardware defect at no charge using new or parts equivalent to new in performance and reliability 2 exchange the product with a product that is new or equivalent to new in performance and reliability and is at least functionally equivalent to ...

Page 4: ...ies The NetSDR ships with a universal multi plug power supply ethernet cable and SpectraVue software installation CD The user guide is included in the CD 4 Jan 2012 RFSPACE Inc NetSDR Wideband Digital Radio User s Guide ...

Page 5: ...ver transmit into the antenna input connector or transmit into adjacent antennas This might cause damage to the sensitive front end circuitry When using adjacent antennas make sure an RF limiter or relay is installed on the RF input port CAUTION Never operate the receiver with wet hands Make sure antenna does not touch high voltage power lines WARNING Do not store or operate the device at temperat...

Page 6: ...g Dither off Preselector on 10 MHz 129 dBm Typ Input IP3 All Spacings 34 dBm Typ Preselection 9 Bandpass Filters 1 Lowpass Filter Bypass option Attenuators 0dB 10dB 20dB 30dB Memory for Real Captures 65536 x 16 bits RBW 1 221 KHz min External Radio Control Built in RS 232 port Debug Port USB Serial Port Internal Speaker IP Address and Port Announcement Dimensions 9 x 1 5 x 7 Power 5 volts DC 1 5 A...

Page 7: ...eir own applications RFSPACE supplies a fully documented protocol for communicating with the hardware as well as an open source starter application for MacOS Windows and Linux There is no need to calculate the downcon verter DSP parameters The NetSDR just needs the center frequency attenuator and preselector filter settings output sample rate and mode to begin streaming data The NetSDR utilizes st...

Page 8: ...adically activate with impulse noise Busy LED Shows connection status and operating mode Steady blinking indicates the active capture of radio signals using the ext 10 MHz reference optional Four blink pattern indicates radio operation with the internal reference oscillator Steady yellow indicates a TCP IP socket is connected and radio is in idle state A 25 Hz pattern indicates an PLL error in the...

Page 9: ...connected directly to a computer or router The polarity will be automatically selected so a crossed cable is not required SERIAL RS 232 port used to connect the NetSDR to external radios like the Icom IC R8500 or AOR AR 5000 receivers It can be left unconnected in normal operation Grounding pin 9 of the RS 232 connector will replace all I Q data with zeros This will have the effect of muting the r...

Page 10: ...he NetSDR and the ethernet connector on the PC The PC will have to be config ured with a manual IP address like 192 168 1 2 and the NetSDR with a manual IP address like 192 168 1 3 To change the IP address of the NetSDR in a non DHCP environment the user will have to manually add an IP address to the computer like 192 168 1 2 and then change the IP of the NetSDR using the SDRNetFinder appication t...

Page 11: ...equest a DHCP ad dress from the router SpectraVue will have to be configured to access the NetSDR at IP Address 192 168 1 3 and Port 50000 Pressing the find button will look for the NetSDR on the network Make sure the Windows or other firewall is not blocking the SpectraVue application or the port being used 11 Jan 2012 RFSPACE Inc NetSDR Wideband Digital Radio User s Guide ...

Page 12: ...resent on the network After pressing the Find SDR s but ton a list of connected SDRs will be shown Double clicking on a radio will open a setup window This window can be used to change tthe IP Address and other setting When using direct PC to NetSDR connection no router inline uncheck the Use DHCP 12 Jan 2012 RFSPACE Inc NetSDR Wideband Digital Radio User s Guide ...

Page 13: ...e NetSDR over the internet with full spectrum display and demodulated audio The spectrum display data and audio are transmitted using compressed data with less than 10 KB s bandwidth requirements The latest version of the SDR Radio application is available at www sdr radio com 13 Jan 2012 RFSPACE Inc NetSDR Wideband Digital Radio User s Guide ...

Page 14: ...n using the QT framework and will compile for MacOS Windows and Linux operating systems This soft ware is supplied with a free licence to be used by RFSPACE customers wishing to create their own ap plications more information at http groups yahoo com group CuteSDR 14 Jan 2012 RFSPACE Inc NetSDR Wideband Digital Radio User s Guide ...

Page 15: ...Interface Specifications Please contact info rfspace com for the latest version of the NetSDR Interface Specification Document 15 Jan 2012 RFSPACE Inc NetSDR Wideband Digital Radio User s Guide ...

Page 16: ...g the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is con nected Consult the dealer or an experienced radio TV technician for help ...

Page 17: ...17 Jan 2012 RFSPACE Inc NetSDR Wideband Digital Radio User s Guide ...

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