Dear Sir, I am writing to you either as a registered user of one of Systolix free DSP design tools (FilterExpress, FilterSim, FilterWizard), or because you have expressed an interest in our products. As part of our development activities we occasionally survey our software users for feedback on their ongoing DSP and software requirements. We are currently developing our next generation of DSP processors and tools, and would be grateful if you could take a minute to answer 4 simple questions. Your answers will help to ensure our future products meet your requirements. This information is purely for marketing purposes, no sales approaches will be made as a result of your response. To complete the survey, simply reply to this message with your answers typed below the question. 1. What single feature would you most like to see included in future releases of FilterExpress, FilterSim or FilterWizard? 2. What are your current DSP requirements for filtering application (Sample Rates, Datawidth, Filter Type, Number of taps/Order)? 3. Have you considered using Analog Devices AD7725 converter in your application? 4. What hardware solution do you currently use for digital signal conditioning functions and what is your target cost? Many thanks for your cooperation. For more information on Systolix and it's product please visit our web site at www.systolix.com. FilterExpress, our filter synthesis tool is currently undergoing a major update, look out for an announcement soon. Regards Gareth Jones Marketing Director - Systolix Limited