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Rocky...A simple SDR RX/TX software from DX Atlas

Rocky...A simple SDR RX/TX software from DX Atlas | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

Here is a simple compact software that supports SSB modulation and PSK31 digital mode, in RX as well as TX mode. Panscope uses Polyphase FFT, a very efficient FFT method.

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Low cost Software Defined Radio (SDR) Panorama
A panorama of available low cost SDR solutions
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Nuand | bladeRF : a new LMS6002D based SDR platform

Nuand | bladeRF : a new LMS6002D based SDR platform | Low cost Software Defined Radio (SDR) Panorama | Scoop.it
bladeRF - low-cost, professional USB 3.0 Software Defined Radio

bladeRF is a Software Defined Radio (SDR) platform designed to enable a community of hobbyists, and professionals to explore and experiment with the multidisciplinary facets of RF communication. By providing source code, thorough documentation, easy to grasp tutorials, and a place for open discussion modern radio systems will be demystified by covering everything from the RF, analog, and digital hardware design to the firmware running on the ARM MCU and FPGA to Linux kernel device drivers.

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USB 3.0 interfaced through a Cypress FX3 ARM9 microcontroller.

An Altera Cyclone IV FPGA provides the interface between the FX3 and RF transceiver. This FPGA has single-cycle access embedded memory, hard 18x18 multipliers for dedicated DSP and many general logic elements ready to be programmed.

Fully bus-powered USB 3.0 SuperSpeed Software Defined Radio300MHz - 3.8GHz RF frequency rangeIndependent RX/TX 12-bit 40MSPS quadrature samplingOn-board 200MHz ARM9 with 512KB embedded SRAM (JTAG port available)On-board 15KLE or 115KLE Altera Cyclone 4 E FPGA (JTAG port available)
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LMS6002D from Lime Microsystems

LMS6002D from Lime Microsystems | Low cost Software Defined Radio (SDR) Panorama | Scoop.it
Lime Microsystems - configurable 3G & 4G transceivers
Christophe Fourtet's insight:

Here is an highly configurable RF, well suited for reasonable perf/cost ratio SDR projects, coming in a 9x9 mm 120 pins aQFN. It covers 300 to 3800 MHz, with I/Q channels programmable from 1.5 to 28 MHz. 12 bits ADC and DAC are integrated. Not bat. But remember to decimate in order to gain few bits, if you want to have quite high dynamic...12 bits is just enough in many cases.

The 2.4 Hz resolution Frac-N synthesizer presents a phase noise roughly around -100 dBc at 800 MHz and -93 dBc in the 2 GHz region. Not bad for a low cost wide band device.

Noise figure and IP3 are acceptable.

Output power is annouced at 6 dBm CW in the datasheet.

datasheet is there : http://www.limemicro.com/download/LMS6002Dr2-DataSheet-1.2r0.pdf

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ASRP3 from Agile Solutions

ASRP3 from Agile Solutions | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

Here is an interesting low cost SDR "thing" (Thank you Akash !)

ASRP3 is based on a classical I/Q direct conversion architecture using ADL5380 I/Q demod chip from Analog Device, as well as their famous AD9262 10 MHz 16 bits sigma delta ADC.

The AD9262 presents 87 dB dynamic over the 10 MHz range, due to the 16 bits...Which is good for the price !

Indeed, final dynamic will not be 87 dBs due to input stages, but we should obtain pretty good results from this device anyway...And you can still implement clever decimation to increase dynamic on a reduced bandwidth.

This being said, this receiver will tune its 10 MHz SDR window from 400 to 4400 MHz, which opens a bunch of possibilities.

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Angilberto Muniz's comment, May 7, 2013 1:15 PM
Its a shame...
Angilberto Muniz's comment, May 7, 2013 1:16 PM
Whish I could get my money back...
Christophe Fourtet's comment, July 25, 2013 3:41 PM
Thank you Angilberto for this feedback....Hope something happened...
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Announcing the FUNcube Dongle Pro+ | FUNcube Dongle

Announcing the FUNcube Dongle Pro+ | FUNcube Dongle | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

Here we are, the new version is coming, and maybe already available. Same principle than original FunCube Dongle (A "TV tuner like" radio in front of a low cost 16 bit soundcard -> USB chipset).

But this time, sampling rate is 192 KSamp/s, and thus SDR coverage is close to 2 x 96 KHz which means 192 KHz.

And probably more important for potential users : RF coverage starts from 150 KHz to 240 MHz as well as 420 to 1900 MHz, bringing Shortwave capability in top of most used V-UHF spectrum capability.

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OH2NLT Experimental Direct Digital HF receiver

OH2NLT Experimental Direct Digital HF receiver | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

This was one of the first direct sampling project based on AFEDRI8201 IC.

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AFEDRI SDR

AFEDRI SDR | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

AFEDRI SDR is a direct sampling receiver, based on the AFEDRI8201 IC from Texas Instrument.

It covers 0.1 to 30 MHz in normal mode, and can be extended to 150 MHz with some hardwave filtering modifications and some obvious performance compromises.

The native oversampling rate is 76.8 MHz @ 12 bits. The 192 KSamp/s I/Q output is a 16 bit audio equivalent on USB, compatible with most of the SDR software.

A specific control software is used in parallel to the SDR software in order to control the radio.

Specification of the AFEDRI8201 can be found here : http://4z5lv.net/index.php/downloads/category/2-documentation?download=7:afedri8201pbf-datasheet

 

Bloc diagram will be found here : http://4z5lv.net/index.php/afedri-sdr?showall=&start=1

And full schematics here : http://4z5lv.net/index.php/downloads/category/2-documentation?download=3:afedri-sdr-schematic

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SpectraVue™ Software...From RFSpace

SpectraVue™ Software...From RFSpace | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

When I presented you the well-known RF-Space company   http://www.rfspace.com  ... I definitely forgot to mention their SDR receiving Software "SpectraVue".

It has indeed been designed for their Harware, but it will work with many other Hardware, particularly common I/Q systems ... And it is 100% free ... And it is working exceptionally well under Windows platforms ! Try it, and adopt it !

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Giacomo's comment, July 14, 2012 5:20 AM
Another site using SDRs all over the world for intelligence purposes can be seen here: www.hfintelligence.com
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SDR-ONE.....A new little bird from RFSPACE ?

SDR-ONE.....A new little bird from RFSPACE ? | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

The SDR-ONE is a low cost, high performance transmit / receive module for experimentation and integration into products. The module can be used stand alone or plugged into other products. It offers very high performance with the use of a 14 bit ADC/DACs. The SDR-ONE RX/TX module offers 48,96 and 192 KHz receive bandwidths over I2S, optical audio (S/PDIF) and IQ analog out. In addition, up to 40 KHz of BW can be transmitted at a 48 Khz sample rate. The SDR-ONE sets the RX sample rate of the sound-card when using the S/PDIF or I2S outputs. In TX, I/Q signal is received via the IQ analog input or the I2S master port. The FPGA and flash memory can be reprogrammed over the built in USB port in seconds without the need of a special programming cable. The FPGA UCF file and code examples are supplied for those willing to write their own code.

 

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Perseus Software 4.00b Released

Perseus Software 4.00b Released | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

PERSEUS SDR software version 4.00b is released.

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baudline signal analyzer...FFT spectrogram for Linux

baudline signal analyzer...FFT spectrogram for Linux | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

Baudline is a time-frequency browser designed for scientific visualization of the spectral domain. Signal analysis is performed by Fourier, correlation, and raster transforms that create colorful spectrograms with vibrant detail. Conduct test and measurement experiments with the built in function generator, or play back audio files with a multitude of effects and filters. The baudline signal analyzer combines fast digital signal processing, versatile high speed displays, and continuous capture tools for hunting down and studying elusive signal characteristics.

 

Source code is available.

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Giacomo's comment, July 14, 2012 5:18 AM
Christopher - great site! There is even more interesting software for SDRs ---> www.krytpto500.com

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µWSDR...SDR design for µWave purposes

µWSDR...SDR design for µWave purposes | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

The aim of this project is to create a family of software defined radios (SDRs) for the microwave bands.

 

The digital backend of this transceiver system, is based on :

-The Asahi-Kasei's AK5394A A2D    http://www.asahi-kasei.co.jp/akm/en/product/ak5394a/ak5394a.html

-The Ti's PCM1740 D2A   http://www.ti.com/product/pcm1740

-And an ATMEL ARM7 µC

 

Communication to and from the PC is ensured through 100 Mb/s Ethernet link.

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QS1R...A direct sampling short-wave SDR receiver

QS1R...A direct sampling short-wave SDR receiver | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

QS1R from Software Radio Laboratory LLC, is a direct sampling SDR receiver covering 10 KHz to 62.5 MHz. It is based on LTC2208 16 bits 130 MS/s A2D associated to a Cyclone III FPGA.

Connected to a PC through its USB 2.0 interface, it can be operated with its software companion "SDRMAX"   http://www.srl-llc.com/qs1r_latest/index.html   or with HDSDR or Winrad (see previous articles for those softwares).

It has to be noticed that SDRMAX source code is available...

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DSPRX from Michael Keller - DL6iAK - One of the first SDR software

DSPRX from Michael Keller - DL6iAK - One of the first SDR software | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

DSPRX was designed by Michael Keller in 2001, and as such, was one of the first SDR software available on internet !

I and Q signals are classically fed into right/left channel of a soundcard.

DSPRX is realy simple, and will run on a 500MHz AMD !

Amplitude balance and constant time delay between right/left channel can be trimmed.

 

DSPRX software + TinySDR hardware + 500 MHz AMD PC...Probably the cheapest SDR setup you can imagine !!!

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SDR# | A Software Defined Radio in C#

SDR# | A Software Defined Radio in C# | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

SDR# (read SDR Sharp) is a high performance Software Defined Radio application. It is written in C# with both object design correctness and performance in mind. The project started as a simple proof of concept program to get hands into DSP techniques and has evolved to what it is today: A fully featured SDR capable of handling samplerates from kHz level soundcards up to multi hundred MHz dedicated samplers, thanks to its multi-core architecture.

Christophe Fourtet's insight:

To me, not as convenient as HDSDR (and no TX), but definitely interesting with high performances !

But the biggest cherry on the cake is that source code is available (for educational purpose).

 

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SDR from Myriad-RF

SDR from Myriad-RF | Low cost Software Defined Radio (SDR) Panorama | Scoop.it
Myriad – RF   Created by Azio - order a board ($299) - download KiCAD file The Myriad – RF board is a multi-band, multi-standard RF module, based on the state of the art LMS6002D transceiver IC by ...
Christophe Fourtet's insight:

Here is an interesting RF SDR platform from Myriad-RF. Based on LMS6002D transceiver chip from Lime Microsystems, it covers 300 to 3800 MHz with a pretty wide I/Q baseband interface from 0.75 to 14 MHz.

Have a look at manual here : http://myriadrf.org/wp-content/uploads/2012/10/Myriad-RF-Development-Kit_1.0r3.pdf

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EasySDR Dongle

EasySDR Dongle | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

EasySDR is an other "FunCube Dongle like" device. Characteristics and performances are very similar...If not the same.

It is compatible with most well known SDR software.

Specification:
- 64 MHz - 1700 MHz frequency range,
- 48 kb/s audio bandwidth,
- DLL interface for HDSDR application,
- small device size: 37x22x78 mm

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An other project based on AFEDRI8201...

An other project based on AFEDRI8201... | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

And finally...An other project based on AFEDRI8201 and an FPGA and USB interface based on a low-cost board from Digilent Inc. The version used (Nexys2) employs a 1.2M gate Spartan III FPGA from Xilinx. The board provides USB 2.0 (480 Mbps) via a chip from Cypress semiconductor.

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AFEDRI SDR-Net description

AFEDRI SDR-Net description | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

This can be considered as a new version of AFEDRI SDR, allowing to send I/Q samples on IP network in addition to local USB.

Performances are the following :

-0.1 to 30 MHz (default)

-0.1 to 70 MHz with performance compromises

-80 MHz oversampling rate @ 12 bits

-Received BW up to 1225 MHz on ethernet

-Received BW up to 230 KHz on USB

 

For the rest : same functionalities than AFEDRI SDR.

 

Block diagram here : http://4z5lv.net/index.php/afedri-sdr-net-description?showall=&start=1

Full schematics here : http://4z5lv.net/index.php/downloads/category/2-documentation?download=56:afedri-sdr-net-schematic

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Software defined radio from a USB TV capture card - Hack a Day

Software defined radio from a USB TV capture card - Hack a Day | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

With a simple digital TV USB capture card, you can build your own software defined radio or spectrum analyzer. While it may not be as cool as [Jeri Ellsworth]'s SDR, it's still very useful and only requires $20 in hardware.

However, be carefull, you have what you get for 20 $...I/Q interface is 8 bits which means around 48 dB maximum dynamics. This is OK for a single signal, isolated from others by physical filtering (TV signal indeed !), but not enough for narrowband multisignal handling (14 to 16 bits being a minimum).

A solution is to oversample your baseband, and then decimate to increase the effective number of bits. For example, if you oversample by 128 around 4 Msamp/s, you will obtain an effective sampling rate of around 31 Ksamp/s, thus a combined I/Q bandwidth of 31 KHz after digital filtering, with an effective number of bits of 8+3,5=11,5 bits (70 dB dynamic).

Analyze of the used Realtek chipset shows analog I/Q signal if fed to digital A/D-USB chip via 4 capacitors (I/Q differential interface). It is then possible, through HW modifications, to interpose 2 differental analog baseband filters in order to improve the system in addition to oversampling...

 

In conclusion, an interesting solution, close to the "funcube dongle" concept, already presented here. But the funcube has more dynamic, by design.

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SDR MK1.5 Radio 'Andrus'...A shortwave Receiver with Network Interface

SDR MK1.5 Radio 'Andrus'...A shortwave Receiver with Network Interface | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

SDR MK1.5 Radio 'Andrus' is a shortwave Receiver covering 5KHz to 30 MHz with Network Interface. It is based on the National Semi LM97593 Dual ADC / Digital Tuner / AGC chip.

Datasheet here : http://www.national.com/pf/LM/LM97593.html#Overview

 

Here are some of its characteristics :

 

-5kHz to 30MHz frequency range

-0.02Hz tuning resolution

-123dB total dynamic range with AGC (80dB with AGC off)

-64MHz internal sampling rate

-User Programmable AGC (automatic gain control) with enhanced Power Detector

-48kHz/16-bit Ch A and Ch B simultaneous USB audio output, 196kHz output sample rate for single channel (A or B or diversity) in SDR-IQ protocol mode

-10/100Base Ethernet interface for 400kHz sample rate through network (NetSDR protocol mode)

-Max current consumption 800mA

-Open software and hardware design for DIY development, filter upgrades etc.

 

It is effectively an open design, so in case you want to customize the firmware of the radio for your own purpose, it is perfectly doable! As the schematic and layout for the radio is also available,

it may also serve as the platform for your own integration project. The on-board Atmel 32-bit AT32UC3B0512 processor development GNU tools (C/C++, asm) with really nice Microsoft Visual Studio version 10 IDE are freely available from Atmel and there is an extension connector on-board with RS232TTL UART, I2C and GPIO pins dedicated for add-on hardware and user development. There is also a simplistic analog audio output on-board (24kHz/16-bit mono), that can be used for whatever it could be useful for, and a small prototyping area (space originally dedicated for custom PoE (power-over-ethernet) circuit development).

 

Complete schematics are here : http://files.uvb-76.net/SDR_MK1.5/SDR_MK1.5_Schematic_v1.0_col.pdf

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PM-SDR Home Page

PM-SDR Home Page | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

PM-SDR offers an excellent coverage/performance/cost compromise, for various 0.1 to 55 MHz SDR receive applications.

It is a sum of 'little tricks" that leads to this point of optimisation.

In addition, it is built in a small packaging.

Based on I/Q principle, it delivers an analog I/Q interface. Thus final performance is, as usual, partially dependant on your A/D's quality and dynamics (noise floor as well as linearity...Etc). If you use a sound card for such a purpose, be carefull with "ugly" chipsets and/or designs. Potentially prefer an external high end one, like EMU0204...  See RFHam site :  http://www.rfham.com/c80.html

 

PM-SDR is compatible with a large variety of SDR software.

You can buy PMSDR here : http://www.rfsystem.it/shop

 

 

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"My First Software Defined Radio (SDR) Receiver"

"My First Software Defined Radio (SDR) Receiver" | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

An experimental SDR receiver using the Conexant Fusion Bt878  A2D chip, working at 896 KS/s.

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FFTW...A free high performance C written FFT subroutine

FFTW...A free high performance C written FFT subroutine | Low cost Software Defined Radio (SDR) Panorama | Scoop.it
A fast, free C FFT library; includes real-complex, multidimensional, and parallel transforms. Benchmarked against many other FFTs.
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HPSDR - High Performance Software Defined Radio

HPSDR - High Performance Software Defined Radio | Low cost Software Defined Radio (SDR) Panorama | Scoop.it
High Performance Software Defined Radio design group, open source design, uses FPGA...
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SAQrx VLF Receiver - by SM6LKM...Just a sound card and that's it !

SAQrx VLF Receiver - by SM6LKM...Just a sound card and that's it ! | Low cost Software Defined Radio (SDR) Panorama | Scoop.it

Well, here is an other simple setup for VLF : An average "sound card", SAQrx sofware, some wire connected to the soundcard, and you are ready to receive VLF.

Particularly the 17 KHz SAQ transmiter ( http://www.alexander.n.se or http://en.wikipedia.org/wiki/Grimeton_VLF_transmitter )

Important point, source code available here : http://sites.google.com/site/sm6lkm/saqrx/saqrx06_source.zip?attredirects=0&d=1

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