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Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Unlike Most Books On Filters, Analog And Digital Filter Design Does Not Start From A Position Of Mathematical Complexity. It Is Written To Show Readers How To Design Effective And Working Electronic Filters. The Background Information And Equations From The First Edition Have Been Moved Into An Appendix To Allow Easier Flow Of The Text While Still Providing The Information For Those Who Are Interested.The Addition Of Questions At The End Of Each Chapter As Well As Electronic Simulation Tools Has Allowed For A More Practical, Userfriendly Text.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
