Digital Active Band-Pass Filter Chip from China
A CMOS integrated circuit implementing a digital active band-pass filter for selecting specific frequency bands in DSP applications. Classified under HTS 8542.39.00.20 due to its active filtering capability via programmable logic and amplification. Ideal for wireless communication and instrumentation.
Duty Rate — China → United States
50%
Rate breakdown
9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide frequency response curves from datasheet to customs, demonstrating band-pass active filtering
• Declare as digital IC; watch for reclassification if firmware makes it resemble a microcontroller
• Ensure RoHS compliance certification for electronics imports to avoid delays