Active filters
Electronic integrated circuits; parts thereof: > Electronic integrated circuits: > Other > Active filters
Duty Rate (from China)
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
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 8542.39.00.20
Analog Active Low-Pass Filter IC
This electronic integrated circuit functions as an active low-pass filter, allowing low-frequency signals to pass while attenuating higher frequencies using internal amplifiers and capacitors. It falls under HTS 8542.39.00.20 as an active filter integrated circuit, distinct from passive filters. Commonly used in audio processing and signal conditioning applications.
Digital Active Band-Pass Filter Chip
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.
Programmable Active Filter IC
An FPGA-based IC configurable as various active filters (low-pass, high-pass, notch) for flexible signal processing. Falls under HTS 8542.39.00.20 for its active filter functionality despite programmability. Deployed in test equipment and adaptive systems.
Switched-Capacitor Active Filter Chip
This IC uses switched-capacitor technology for precise active filtering in low-power applications like telecom. Classified in HTS 8542.39.00.20 as an active filter IC with internal clock and amplifiers. Key for anti-aliasing in ADCs.
Notch Active Filter Integrated Circuit
This IC implements active notch filtering to eliminate specific interfering frequencies, such as 50/60Hz hum. It is classified under HTS 8542.39.00.20 for active filters. Used in power line monitoring and biomedical signal processing.
Multi-Channel Active Filter Array IC
A 4-channel active filter IC array for parallel signal processing in automotive ECUs. HTS 8542.39.00.20 covers this integrated active filter. Designed for noise suppression in vehicle electronics.
Low-Noise Active Filter IC
Ultra-low noise active filter IC for precision instrumentation amplifiers. Classified as HTS 8542.39.00.20 active filter. Critical for sensor interfaces in scientific equipment.
Bessel Active Filter Integrated Circuit
IC implementing Bessel response active filters for linear phase preservation in pulse applications. HTS 8542.39.00.20 for active filters. Used in radar and ultrasound systems.
Audio Active High-Pass Filter IC
This integrated circuit provides active high-pass filtering for audio applications, blocking low frequencies like rumble while amplifying mid-to-high ranges. It qualifies for HTS 8542.39.00.20 as an active filter with built-in op-amps. Used in professional sound equipment and consumer hi-fi systems.
Anti-Aliasing Active Filter IC
Dedicated IC for anti-aliasing in data acquisition systems, providing sharp low-pass active filtering before A/D conversion. HTS 8542.39.00.20 applies to this active filter integrated circuit. Essential for accurate sampling in industrial controls.