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Newsletter - Issue 2, July 2016
FWSDR - A firmware for turning the high-end digitizer ADQ14 into a Software Defined Radio

In this issue SP Devices is pleased to announce the new firmware which turns the high-end, multi-channel digitizer ADQ14 into a Software Defined Radio.


1. Software Defined Radio
2. Phase noise measurements
3. Zero-IF receiver
4. Low-IF receiver



The FWSDR firmware includes complex mixer for I and Q signals which in combination with decimation selects the frequency band of interest. The decimation factor can be set from 2 up to 2^32 to match the bandwidth of the input signal, and higher order decimation is perfect for accurate noise analysis. The high image suppression of 125 dB enables frequency selection with high precision.


DC-coupled ADQ14 models can be used with FWSDR in order to implement a zero-IF receiver and for such configurations the digitizer is directly connected to a wideband IQ demodulator IC.


For best linearity at higher frequency which is suitable for a high IF-receiver, AC-coupled models can be used. The FWSDR also includes a complex filter for implementing equalization and IQ-balancing functions. The powerful Software Development Kit (SDK) makes it easy to implement streaming applications with up to 3.2 Gbytes/s data transfer rate. Using the SDK any radio standard is easy to implement.

For more information please visit and do not hesitate to contact us if you have questions.


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Read previous issues online:

Issue #1, 2016 : ADQ14-FWPD pulse detection firmware for data driven acquisition
Issue #5, 2015 : Comparison of Digitally-Enhanced GS/s Analog-to-Digital Converters
Issue #4, 2015 : ADQ214-DCLN - New digitizer optimized for low noise
Issue #3, 2015 : ADQ10GBE - 10 Gbit Ethernet card in PXIe format
Issue #2, 2015 : ADQ14 - 14-bit, 2 GSPS digitizer platform, 2-4 channels, open Kintex-7 FPGA
Issue #1, 2015 : Achieving 8 GS/s with 12-bit digitizer ADQ412-4G
Issue #3, 2014 : Digitizers optimized for pulsed-data capture
Issue #2, 2014 : New digitizer with DC-coupled and programmable front-end (ADQ412DC)
Issue #1, 2014 : Unique Performance Advantages with ADX
Issue #1, 2013 : PCIe x8 Gen2 and SAR Recording System
Issue #1, 2012 : SP Devices Introduces High-Performance MTCA.4 µTCA Products
Issue #3, 2011 : Signal generation capabilities added to our latest product
Issue #2, 2011 : SP Devices and LeCroy collaborate on new products
Issue #1, 2011 : PCI Express Interface Added to Our Most Powerful Digitizers
Issue #2, 2010 : Release of our Latest 14-bit ADC Evaluation Module Which Features 1.6 GS/s
Issue #1, 2010 : Ultra High-Speed Digitizers with Xilinx Virtex 6 FPGAs

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