CHRISTOPHE F4DAN
SDR : SOFTWARE
DEFINED RADIO
SWR : SOFTWARE RADIO
Type Ia
SDR projects
(sampling by a soundcard of the audio output of a traditional TRX)
HamDream
WinDRM
An adaptation
of the DRM standard for ham channel bandwidths (2.5 kHz), using as
bases the sources of the DREAM project.
Hamdream is not maintained any longer : its replacement is WinDRM.
Works both on emission and reception.
R1x-x-xx Type SDR
projects
(sampling by a mono
soundcard of an IF around 12 kHz)
DREAM DRM
The
free software DREAM (DRM receiver)
IFDSP
R1L-N-IN
The
IK2CZL realization. Downconversion of the standard 455 kHz IF of a
traditionnal receiver around 13 kHz, ans sampling by a sound card.
Windows. Source code not available.
JI3GAB
R1L-N-IN
The
JI3GAB realization. Downconversion of the
standard 455 kHz IF of a traditionnal
receiver around 13 kHz, ans sampling by a sound card. Linux. Source
code available. Works also on emission.
G8JCF
The
G8JCF software. Windows. Source code not available.
FDM77
640 euros
An italian SDR, designed by ELAD and
distributed in France by Intertechnologies. Receive
only.
DiRABox DRB30
DiRABox DRB32
R1F-H-IP
This "black box" converts any frequency
between 30 kHz and 30 MHz around
a 10 kHz IF (bandwidth = 15 kHz). Remote control by parallel PC port
(USB converter also available). Double conversion, DDS.
The DRD32 is an improved-performance version.
SAQrx
R1N-H-IN
This software made by
Johan SM6LKM is for VLF reception (0-22 kHz). Antenna is directly
connected to soundcard input. Windows source code available.
Winradio WR-G30x
R1P-N-UU
The low-cost version of Winradio (digital channel selection not possible, sampling by a mono soundcard).
See WR-G31x for the professional version.
Q1x-x-xx Type SDR
projects
(sampling by a stereo
soundcard of an audio I/Q IF)
SDR-1000 / SDR-5000
Q1A-H-IP
2800 US$
An
SDR with available source code. Described in the QEX article series :
"Software Defined Radios for the Masses"
SoftRock-40
Gnurockr
(nouveau lien)
KB9YIG
JavaGUI
Q1L-H-IN
A
"small" version of the SDR-1000 (Rx Only), powered by USB port, and
working in the 40 meters band for the initial design. Several softwares
work with this hardware.
With Gnurockr, VU3RDD wrote a Gnuradio module allowing to control the
softrock.
KB9YIG's site describes several SoftRock flavours.
JavaGUI is a small GUI under Linux for DttSP (the core of the softrock
and SDR-1000).
WSE
Hardware developped by Leif SM5BSZ, first described in the
QEX articles "Linrad
: New Possibilities for the Communications Expermienters". These hardwares have 2 RF channels giving 2 I/Q pairs
GW4DGU
Slides
describing the design of a SDR used for high frequencies (GHz). I/Q
frequency converison is done with on-the-shelf chipsets (example
: LT5515, LT5516, LT5517, AD8347,
AD8348).
Time
Machine
135 US$ (kit)
A
very original project : this board allows to record a spectral band
with a traditionnal stereo recorder (MP3 walkman, laptop, audio tape,
...), and to replay it later !!
DT1 DT2 DR1 DR2
R1L-H-IN
Q1L-H-IN
The
YU1LM SDR realizations (Rx + Tx). Hardware with SDR-1000 like I/Q
conversion, but more simple. Software with SDRADIO among others. PDF
describe precisely the performance of this transceiver.
NORCAL NC2030
A
CW transceiver with amazing performances (IP3, dynamique range, ...),
that can be used to make a SDR Fron-End. This project was made by Dan
Tayloe N7VE, and uses of course a Tayloe I/Q mixer...
Firefly SDR
Q1L-H-IN
75 US$ (kit)
The new design from Dan Tayloe N7VE, a bit like the Softrock.
Fixed local oscillator for 30m and 40m band receiving. Works also in
transmit mode, using a traditional VXO (no SDR)
SDR-X
Designed by I0CG, this project allows to convert the HF
spectrum (0-30 MHz + 6 meters band) around an I/Q I/F that cans be
digitized by a sound card. The programmable oscillator is realized with
an AD9951 DDS. Preselection filters are automatically activated with
the requested frequency. Attenuators and low noise programmable
amplificators are also present.
SDRZero
Q1L-H-IN
35 US$ (kit)
A softrock like SDR,
realized by PY2WM and N1VTN/PU1JTE. Mainly in Portugues language,
but some pages in English. A kit is available for sale.
KDG-SR100
Q1A-H-IP
700 euros
An SDR-1000 like realization, working both on receive and transmit, and using a DDS for LO
NCSASDR
NCSASDR_PDF
This university develops a SDR based on a
GnuRadio core, and a specific RF front-end for the 900 MHz band.
Some advanced subjects are covered, like : communication protocol with
the SDR, security and cognitive radio.
The PDF is particularly interesting.
TinySDR
M1L-H-IN
A very simple SDR for HF
bands, by LY1GP. Mixing is done with a home-made diode-based
mixer, and there is no amplifier (sound card only). I/Q LO is generated
with a VFO and 90° phase offset is obtained with a simple
capacitor and resistor.
Elektor
Q1P-H-IU
100 euros
A RX SDR for HF
bands, with USB frequency control. Uses a PLL VFO for frequency tuning
(CY27EE16) and a FT232R USB chipset.
Genesis Radio
Q1L-H-IN
150 US$ (kit)
A transceiver SDR for the
40m band, that works with classical I/Q softwares (PowerSDR, ...). Uses
classic through hole components (no surface mount)
PMSDR
(alt. site)
Q1P-H-IU
195 euros
A SDR for the HF band (RX only), that works with classical I/Q softwares (PowerSDR, winrad, ...). Uses a Si570 DSPLL for frequency tuning. Delivered as a pre-assembled kit.
Soft66AD new
Q1A-H-IU
115 US$ (assembled)
85 US$ (kit)
A SDR for the HF band (RX only), that works with classical I/Q softwares (Rocky, SDRadio, winrad, ...). Uses a AD9831 DDS, and a USB frequency control
Lazy Dog LD-1 new
Q1A-H-IU
218 US$
A SDR for the HF band (RX only), that works with classical I/Q softwares (Rocky, SDRadio, winrad, ...). Uses a DDS, and a USB frequency control
Q2x-x-xx Type SDR
projects
(sampling by a dedicated
stereo audio ADC of an I/Q IF)
PA3FWM
Q4P-H-EE
This
OM uses the same I/Q downconverter as the SDR-1000, but uses a
dedicated stereo audio ADC (and not a sound card) : the PCM1804 at 192
kHz on 24 bits. Transfert toward PC is done through Ethernet. Rx only.
Since early 2006, PA3FWM tries with a faster ADC (AD7760
at 2,5 Msamp/s), and uses an FPGA to build Ethernet frames.
WB6DHW SDTCV
Q2A-H-UU
This
OM uses the same I/Q
downconverter as the SDR-1000, but
uses a dedicated stereo audio ADC (and not a sound card) at 192 kHz on
24 bits. Transfert toward PCand control is done through USB.
LO is realized with a 4 channels DDS AD9959, wich
has the
advantage to allow simultaneous Rx of several channels, with an
eventual phase synchronization between them.
Rx / Tx up to 200 MHz without any other LO than the DDS.
µ WSDR
D2P-H-EE
Beautiful
site ! Clear and informative !
I/Q analog mixing with an AD8337 for RX and AD8346 fot TX. Front-ends
are planned for 13cm, 23cm and 4m bands.
Analog I/Q IF digitized by a Cirrus
CS4272, audio stereo DAC/ADC
24 bits 192 kHz .
Ethernet communication. ARM7 CPU.
PC software based on SDR-1000 DSP core.
RT2
Q2F-H-??
KC2MFS's
project. Dedicated stereo audio ADC (PCM4202 : 24 bits, 192 ksamp/s). DDS realized not with an ASIC but with a FPGA.
CIAO RADIO
Q2A-H-UU
Interesting SDR project,. The only connection with PC is USB port.
Uses a PCM2904 audio ADC : this chipset has an integrated USB interface : very smart !
Uses a AD9851 DDS.
OH2NLT Cheap DSP
Q2A-N-NL
A stand-alone SDR (no
external PC or laptop needed), using a QSD and a dedicated stereo
ADC/DAC (TLV320AIC23B). I/Q samples processing is done onboard with an
dsPIC30F6014 chip. Very detailed information on the site with
schematics, PCB drawings, and DSP code...
Very fine enclosure also.
Also works in TX.
VK3GJZ Simple DSP Receiver
Q2L-N-NL
A stand-alone SDR (no
external PC or laptop needed), using a QSD and an Alesis/wavefront DSP
chipset for sampling and I/Q samples processing.
R3x-x-xx Type
SDR projects
(sampling of a "direct antenna
output" RF signal by a "off-the-shelf"
acquisition board)
DOMENECH
R3N-H-IN
Sampling of the
RF signal (directly out from the antenna) by a TV tuner board with
BT878 chipset (Fsamp = 896 ksamp/s)
LORAN-C
R3N-H-IN
An SDR project for VLF reception of the
localisation system Loran-C (90 to 110 kHz).
Uses an Adlink PCI acquisition board.
R2x-x-xx Type
SDR projects
(sampling by a dedicated
RF ADC of an analog IF)
F1OAT
M2P-N-ES
F1OAT's
SDR. Based on DSP EZ-KIT ADSP 21061
(floating point), and DDS (AD7008)
DSP-10
R2P-N-NS
ARRL's
SDR. Available source code (assembly code). Based on DSP EZ-KIT
ADSP 2181 (16 bits fixed point,
AD1847 ADC/DAC).
Winradio WR-G31x
R2P-H-UU
The professional version of Winradio (digital channel selection possible in the PC software, sampling by a dedicated ADC).
See WR-G30x for the low-cost version.
OpenSDR or OpenSDR
The
openSDR project. This is in fact the Gnuradio project.
Modular
Software Radio
Modular
Software Radio (Ecole Polytechnique Fédérale de
Lausanne). Emission / reception of an UMTS signal (bandwidth 5 MHz @
2.4-2.48 GHz). Sampled IF at 90 MHz
Wireless3g4free
A
project from the EURECOM school. Emission /
reception of an UMTS signal.
AMSAT SDR
The
AMSAT SDR project. The page "design concept" contains interesting
information about design of this (future) SDR.
R4x-A-xx Type
SDR projects
(sampling by a
dedicated RF ADC of a "direct antenna output" RF signal, and ASIC based
DDC)
Rfspace SDR-IQ
R4N-AH-UU
500 US$
The new RFSPACE RIG. Still based on an ASIC DDC (AD6620) and USB for samples transfert. 66 MHz 12-bits sampling with AD9245
ADAT HB9CBU
R4N-A-NL
ADT-200A is a stand-alone
SDR (no external PC required), RX and TX. Receive part uses an AD6645
14 ADC and 4 channels AD6624A DDC. Transmit part uses AD9754 DAC
and AD6623 DUC. I/Q samples are processed with a ADSP-21363
SHARC.
R4x-F-xx Type
SDR projects
(sampling by a
dedicated RF ADC of a "direct antenna output" RF signal, and FPGA based
DDC)
PERSEUS
R4N-F-UU
A direct sampling HF
receiver. Uses an LTC2206 14 bits 80 Msamples/s ADC, and an XC3S250E
FPGA for downconversion. Control through USB.
Announced output digital bandwidth : 800 KHz (with 1 M complex samples per second).
Quicksilver QS1R
R4N-FH-UU
850 US$
This project uses an ADC LTC2208 16 bits 130 Msamples/s, and a FPGA
Altera Cyclone III EP3C25 for the DDC function. Rx from 15 kHz to
55 MHz.Control and I/Q samples transfert through USB, with a software called SDRMAX, based on the DttSP library.
Open-source firmware and software.
A TX version (QS1T) is under design.
Project by Phil Covington N8VB
W1QG
R4N-F-NN
A SDR based on a
Lyrtech Signal Master board. The FPGA is programmed with the
Xilinx system generator developement kit.
RTG003
Not an amateur, but professionnal realization. Expensive.
Dxx-S-xx Type
SDR projects
(sampling by a specialized IF chipset with both ADC and DDC functions)
OH2NLT HF Receiver
D5N-S-NL
This project uses a TI AFREDI8201 specialized chipset with both ADC and DDC functions.
This is a stand-alone SDR (no
external PC or laptop needed), RX only.
Online SDR
WebSDR
An online SDR, very efficient and very fluid. The first realization of this type. Must absolutly be seen !!!
Samples processing softwares
Rocky
A
small software using original methods for FFT computation (polyphase
FFT), and filtering (time-frequency
surface re-parameterization)
Winrad
Same author as SDRADIO. Linrad was used as
model for some parts of this software.
SDRADIO
A software (Windows) used to demodulate
I/S samples coming from a sound card
DSPRX
DL6IAK software. Very simple
Erlink-sr
"A software defined radio
that can be distributed at a fine granularity across multiple
platforms". Looks very original - G3UKB project.
Known before as "smalltalk SDR".
QUISK
Linux software by Jim
N2ADR with source code provided. Works with the SDR-IQ, softrock, or it
can use the PC sound card for other hardware.
SDRMAX
The open-source software (Linux + windows) used for the QuickSilver QS1R project (see above).
Linrad
Software from Leif
SM5BSZ, that runs under Linux and Windows. Linrad is compatible with
several hardwares : the author's hardware (WSE) or third-party
hardwares (softrock+soundcard, SDR-14, SDR-IQ, ...)
RF Front-End
(RF Front Ends : or how to convert a signal down to an IF that
can be sampled)
Quadrature-less realizations
ELEKTOR
Description
A
programmable RF tuner (IF output @ 12 kHz), published in march 2004 in
Elektor. Distributed by Modul-bus.
The second link (in German) describes the design more precisely.
N2DS Schmarder
An
original "old-fashioned" project for DRM signal reception. Direct
conversion with a lamp oscillator !
JOGIS
Two
other Front-Ends for DRM reception (around 6 MHz). One with a tube, the
other with a NE612 (in German).
WSE (SM5BSZ + SM7UFW)
A
collection of boards used to convert HF signals (1,8 to 14 MHz) or VHF
signals (144 MHz) around an audio IF, that can be digitized by a sound
card. Simultaneous conversion of 2 channels.
PA0SIM
Jan realized a 2 phase coherent receiver. One antenna is connected on each way, to form an array of 2 antennas.
Smart digital signal processing is then used to achieve noise and interference reduction, and directivity.
Detailed principles of this project have been published in a QEX article
Quadrature realizations
OH2GHR
A
project based on AD9854 DDS. Mixing with an AD831 or a Tayloe
detector.
GW4DGU
How to
use off-the-shelf components (example : LT5515,
LT5516, LT5517,
AD8347, AD8348) to realize a direct I/Q conversion.
SDR Références
Technical
Références (DSP)
DSPrelated.com
A
collection of "posts" from the comp.dsp forum. Keyword research
capability
Private Companies
SharedSpectrum
Cette
société, financée par le
Département de la Défense américain,
conçoit des transceivers et des algorithmes permettant une
utilisation rationnelle du spectre (radio cognitive)
COMBLOCK
Radio
module for quick prototyping. These block could be used in SDR
projects.
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