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SDR: Difference between revisions
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{|class="wikitable" | {|class="wikitable" | ||
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! Device !! Tuner !! Bandwidth || Sample Rates || ADC || | ! Device !! Tuner !! Bandwidth || Sample Rates || ADC || Tune || Xmit? || FPGA? | ||
|- | |- | ||
| RTL-SDRv3 || R820TR2 || 2.4MHz sustained<br/>3.2MHz peak || || 8 || 25--1750MHz || No || No | | RTL-SDRv3 || R820TR2 || 2.4MHz sustained<br/>3.2MHz peak || || 8 || 25--1750MHz || No || No | ||
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| NooElec NESDR<br/>SMArt XTR || E4000 || 2.4MHz || || 8 || 65--1100MHz<br/>1200--2300MHz || No || No | | NooElec NESDR<br/>SMArt XTR || E4000 || 2.4MHz || || 8 || 65--1100MHz<br/>1200--2300MHz || No || No | ||
|- | |- | ||
| HackRF One || || 20MHz || 2--20MHz || 8 || || | | HackRF One || || 20MHz || 2--20MHz || 8 || 1--6000MHz || Half || No | ||
|- | |- | ||
| AirSpy || || 10MHz || || 12 || 24--1800MHz || No || No | | AirSpy || || 10MHz || || 12 || 24--1800MHz || No || No | ||
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| [[BladeRF|BladeRF 2.0 micro]] || AD9361 || 56MHz || 61.44MHz || 12 || 47--6000MHz || 2x || Cyclone V | | [[BladeRF|BladeRF 2.0 micro]] || AD9361 || 56MHz || 61.44MHz || 12 || 47--6000MHz || 2x || Cyclone V | ||
|- | |- | ||
| [[BladeRF|BladeRF x40/x115]] || LMS6002D || 28MHz || 40MHz || 12 || 300--3800MHz || | | [[BladeRF|BladeRF x40/x115]] || LMS6002D || 28MHz || 40MHz || 12 || 300--3800MHz || 1x || Cyclone IV | ||
|- | |- | ||
| Ettus B210 USRP || AD9361 || 56MHz || 61.44MHz || 12 || 70--6000MHz || 2x || Spartan 6<br/>XC6SLX150 | | Ettus B210 USRP || AD9361 || 56MHz || 61.44MHz || 12 || 70--6000MHz || 2x || Spartan 6<br/>XC6SLX150 | ||
|- | |||
| Ettus B200 USRP || AD9361 || 56MHz || 61.44MHz || 12 || 70--6000MHz || 1x || Spartan 6<br/>XC6SLX150 | |||
|- | |- | ||
|} | |} | ||
==Software== | ==Software== | ||
Revision as of 06:14, 6 July 2019
Software-defined radio moves the majority of radio processing into software, facilitating relatively inexpensive wide-band hardware interfaces to the electromagnetic spectrum, especially those frequencies below 3GHz. Pairing advanced SDRs with software-defined antennas yields dynamically optimal cognitive radio. Perhaps most famously, DVB-T television tuners built around the RTL2832U chip, and available in USB form factor for less than $30 (particularly the Rafael Micro R820T2), can reliably provide 2MHz of RX bandwidth anywhere from ~30MHz to ~2GHz (still lower frequencies are supported via direct sampling). For $500, powerful units capable of tremendous bandwidth and range (as well as transmission capabilities) are available, and from there it's not that great a leap to building your own stingray.
Hardware
| Device | Tuner | Bandwidth | Sample Rates | ADC | Tune | Xmit? | FPGA? |
|---|---|---|---|---|---|---|---|
| RTL-SDRv3 | R820TR2 | 2.4MHz sustained 3.2MHz peak |
8 | 25--1750MHz | No | No | |
| NooElec NESDR SMArt |
R820TR2 | 2.4MHz sustained 3.2MHz peak |
225--300kHz .9--2.56MHz |
8 | 25--1750MHz | No | No |
| NooElec NESDR SMArt XTR |
E4000 | 2.4MHz | 8 | 65--1100MHz 1200--2300MHz |
No | No | |
| HackRF One | 20MHz | 2--20MHz | 8 | 1--6000MHz | Half | No | |
| AirSpy | 10MHz | 12 | 24--1800MHz | No | No | ||
| BladeRF 2.0 micro | AD9361 | 56MHz | 61.44MHz | 12 | 47--6000MHz | 2x | Cyclone V |
| BladeRF x40/x115 | LMS6002D | 28MHz | 40MHz | 12 | 300--3800MHz | 1x | Cyclone IV |
| Ettus B210 USRP | AD9361 | 56MHz | 61.44MHz | 12 | 70--6000MHz | 2x | Spartan 6 XC6SLX150 |
| Ettus B200 USRP | AD9361 | 56MHz | 61.44MHz | 12 | 70--6000MHz | 1x | Spartan 6 XC6SLX150 |
