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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| π¨π³China | Free | +50.0% | 50% |
| π²π½Mexico | Free | β | Free |
| π¨π¦Canada | Free | β | Free |
| π©πͺGermany | Free | β | Free |
| π―π΅Japan | Free | β | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as an amplifier IC
Amplifier integrated circuits are under 8542.33; active filters must demonstrate primary filtering role.
If when incorporated into complete audio recorders
ICs integral to finished 8527 apparatus may be classified with the complete machine.
If for use in specific measuring instruments
Parts for instruments of 9030 shift classification if dedicated to that end-use.
Not sure which classification is right?
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Import Tips & Compliance
β’ Label shipments clearly as 'active filter IC' with part numbers matching filter specs
β’ Batch import with volume declarations to optimize duty calculations
Related Products 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.