scancapecod said:
... but USB3 and up to 56 MHz of bandwidth seems pretty nifty.
What's the max you can look at for bandwidth with the USRP1 and WBX daughterboard? Am I correct in that about 16 MHz might be it?
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Gig Ethernet is the way to go, supports remote access and the box will only have it IF it NEEDS it (unless it is poorly designed, (rare), or partially overspeced).
To answer your question:
The USRP1's WBX has a 40 Mhz bandwidth, the ADC can digitize at 64 MS/s, and the USB 2.0 Interface does 8 MS/s (Half Duplex). That means a sweep of that bandwidth with so slow an ADC will make for a slow sweep time, hope you do not retrieve much Data (and you WILL) since you need to shove your 'answer' through USB 2.0 .
The USRP1 would be overkill if DSD is all it will ever be used for and likely unsatisfying IF you later get serious about the Hobby.
IE: I would buy one of the USB 3.0 Devices instead of a USB 2.0 Device, just because the USB 3.0 Interface is EIGHT times faster (and thus somewhat useful). Even a 100M Ethernet Device will be somewhat futureproof (for you, I presume, (too much?)), since you may not want a 1GE Box, and the massive expense of pro equipment.
Note: The actual streaming performance will depend on the processing capability of the host computer, the complexity of the application/DSP, and other factors.
Waiting always brings better stuff for less:
Gig Ethernet is the way to go, supports remote access and the box will only have it IF it NEEDS it (unless it is poorly designed, (rare), or partially overspeced).To answer your question: Ettus Research - Support: Knowledge Base , there are 'three parts' to the 'Black Box' (much like your Computer) where "Bandwidth" comes into play, if you skimp in one area you get a (you know this word) bottleneck (same as in your Computer); so choose each individual Component to match your intended use.The USRP1's WBX has a 40 Mhz bandwidth, the ADC can digitize at 64 MS/s, and the USB 2.0 Interface does 8 MS/s (Half Duplex). That means a sweep of that bandwidth with so slow an ADC will make for a slow sweep time, hope you do not retrieve much Data (and you WILL) since you need to shove your 'answer' through USB 2.0 .The USRP1 would be overkill if DSD is all it will ever be used for and likely unsatisfying IF you later get serious about the Hobby.IE: I would buy one of the USB 3.0 Devices instead of a USB 2.0 Device, just because the USB 3.0 Interface is EIGHT times faster (and thus somewhat useful). Even a 100M Ethernet Device will be somewhat futureproof (for you, I presume, (too much?)), since you may not want a 1GE Box, and the massive expense of pro equipment.: The actual streaming performance will depend on the processing capability of the host computer, the complexity of the application/DSP, and other factors.Waiting always brings better stuff for less: http://avnetexpress.avnet.com/conte...s/Avnet ZedBoard Brochure English Version.pdf . The Mfg (Ettus) even suggests that the USRP1 is outdated and recommend a newer model. For the price of their other Model you can get this: http://www.zedboard.org/product/zynq-sdr-ii-eval (or any number of other newer Devices from various places). OTOH Ettus is much cheaper than NI (who makes their stuff and seems to have similar Devices for a much higher price).
Software Defined Radios for Any Use Case
NI USRP devices are software defined radios (SDRs) that combine host-based processors, FPGAs, and RF front ends to help you rapidly design, prototype, and deploy wireless systems. The USRP product line offers a wide breadth of SDRs ranging from lower-cost options with fixed FPGA personalities to high-end radios with large, open FPGAs and up to 160 MHz of instantaneous bandwidth. USRP SDRs are ideal for developing and prototyping complex wireless designs.
After you design and simulate your digital signal processing (DSP) algorithms, you need to prototype in a real-world environment to ensure you deliver high-quality technology to market on time. The powerful processing capability of onboard FPGAs is especially beneficial for applications that require processing wide bandwidths of data in real time.
USRP SDRs are also well suited for applications like spectral monitoring and direction finding because of their wide bandwidths and flexible RF front ends. On select models, an onboard x86 processor creates a complex yet powerful USRP that you can use as a stand-alone radio.
Highmesh contains other products and information you need, so please check it out.
Key Features of the USRP-:
The USRP- contains a GPS-disciplined oscillator (GPSDO), which enables you to lock the internal clocks to a GPS reference signal, synchronize using GPS timing information, and query GPS location information.
Contact us to discuss your requirements of usrp price. Our experienced sales team can help you identify the options that best suit your needs.
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