Adjust Bandpass Filters Digitally

This tunable bandpass circuit--consisting of a dual filter, dual op amp, and dual DAC--can maintain a constant 500-Hz bandwidth over a range of center frequencies from 5 to 20 kHz.

About the Author

Staff

Articles, galleries, and recent work by members of Electronic Design's editorial staff.

Sign up for our eNewsletters
Get the latest news and updates

Comment About the Article

To join the conversation, and become an exclusive member of Electronic Design, create an account today!