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Showing posts from December, 2006

QuickSilver QS1R Software Defined Receiver Prototype

QS1R Software Defined Receiver:

(Click on picture above for larger version.)


16 bit 130 MSPS ADC
HPF, LPF, RF AMP Switchable Front End
0-31.5 dB Attenuator in 0.5 dB steps
Cyclone II FPGA
Two AD6620 DDC co-processors
USB 2.0 480 Mbps High Speed Interface to PC
0.1 to 33 MHz coverage (0.1 to 65 MHz extended)
RX bandwidths from 33 MHz to 1kHz
Two independent RX channels anywhere in 0.1 to 33 MHz
6.00" X 4.00" board size
Single +12V 1A supply
Open Source Software and Hardware


Projected late January to mid-February 2007

vSound Update

vSound Status

I have been able to get a prototype of the vSound driver to work on Windows Vista beta. I am now waiting until the official release of Vista to continue development on a driver that will work on both XP and Vista. As it looks now, vSound will support Vista and XP only. There will be no support for W2K, NT4, or Win9X/ME operating systems. My main concern is trying to make sure that the vSound driver is compatible with both XP and Vista so I don't have to maintain two different versions based on operating system.

There are a lot of changes being made to driver development under Windows and I have been waiting until it stabilizes a little bit more before releasing a beta driver. My best estimate for availability of vSound beta is early next year after Vista systems hit the streets.

New QuickSilver QS1R Group

Support and discussion group for the new QuickSilver QS1R SDR:

To sign up go Here

Some Interesting Links for Decemeber...


DSPLINKS - great for learning DSP interactively

QUCS- circuit simulator for Linux and Windows

LTC SWCAD - circuit simulator for Windows

Cell Processor - the processor that power the PS3

SciLab- open source numerical computation

Maxima - open source computer algebra system

Octave - open source GNU numerical computation

Mono - open source .NET

Coming Soon!

QuickSilver QS1R SDR Receiver/Scope/Spectrum Analyzer Board
Based on Linear Technology LTC2208 130 MSPS 16 bit ADCCyclone II EP2C8 FPGA for DDC processor
High Speed USB 2.0 ConnectivityTwo DDC Co-processorsExternal Clocking capability6.00" x 4.00" (15.24 x 10.16 cm) board size0.1-65 MHzOpen Source Software