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PRELIMINARY
QF1D512-DK
SavFIRe ? Development Kit
Hardware
The development board interfaces to a host PC via a USB connection. This connection supplies power to the board, although there is
also provision to supply power from an external 5 – 9V source. A bridge circuit on the board converts from the native SPI interface of
the QF1D512 to USB. Through configuration software, the QF1D512 devices can receive input from the ADC circuit, the expansion
interface, or from data loaded from the PC. Either or both QF1D512 devices can be run on the incoming data.
The analog input connects to the supplied ADC converter circuit, allowing the user to provide an analog sensor input. With the
expansion connectors and the prototyping area, alternative ADC devices, custom user circuits, and processors can be connected to
the QF1D512 devices, as well as other third party emulation platforms, allowing for full system emulation without a custom board
design.
Software
There are three main software functions provided by the included Quickfilter software:
1. Filter design. A variety of different filter types can be designed and simulated, including low-pass, notched low-pass, high-pass,
band-pass, dual band-pass, band-stop, and dual band-stop. Currently available filter algorithms include Parks-McLellan and
Windows Sync. Desired frequencies, slope and attenuation can be input and the theoretical results observed. Completed
designs can be saved as filter files for future use.
2. Chip configuration. Various filter types can be assigned to the two QF1D512 devices available. Custom ADC interface formats,
pin configurations, and averaging / decimation are programmed individually for each device. When complete, the
configurations are downloaded to the devices on the development board. It is also possible to interrogate the various on-chip
control registers and save configurations for future use.
3. Evaluation. Once the QF1D512 devices has been configured, analog signals can be introduced to the board, with the digital
data routed to the devices, and the software will produce and display an FFT of the filter response. A white noise source file is
provided as a convenient method to drive the input from a PC and observe the filter characteristics.
Development Kit Contents expansion
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Development Board
CD containing Quickfilter software, documentation and install files.
USB cable (board to PC)
Signal cable (BNC to 3.5mm phone plug)
Quickstart Guide
Contact and Ordering Information:
Quickfilter Technologies, Inc.
1024 South Greenville Avenue, Suite 100
Allen, TX 75002
Email: sales@quickfilter.net
Phone: 214-547-0460
? 2006 Quickfilter Technologies, Inc. All rights reserved. Quickfilter, the Quickfilter logo and combinations thereof, are trademarks of Quickfilter Technologies, Inc. Other product names used in
this publication are for identification purposes only and may be trademarks of their respective companies. Windows is a registered trademark of Microsoft Corp.
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