Other
Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof: > Parts and accessories: > Other: > Printed circuit assemblies: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 9030.90.68.00
Spectrum Analyzer Signal Processing PCA
A printed circuit assembly housing RF downconverters and digital signal processors for spectrum analyzers that measure frequency spectra of electrical signals. Classified under HTS 9030.90.68.00 as a part for apparatus measuring electrical quantities of heading 9030. Essential for FFT calculations and spectrum display in lab-grade analyzers.
Radiation Detector Preamplifier PCA
Low-noise printed circuit assembly amplifying signals from scintillation detectors in gamma radiation survey meters. Classified HTS 9030.90.68.00 as part for ionizing radiation detection apparatus of heading 9030. Essential for portable radiation monitoring devices.
Frequency Counter Timebase PCA
OCXO-based printed circuit assembly providing stable 10 MHz reference for universal frequency counters measuring signal periods. Classified HTS 9030.90.68.00 as part for electrical quantity measuring instruments. Oven-controlled crystal ensures ppm accuracy.
Signal Generator IQ Modulator PCA
Direct digital synthesis printed circuit assembly for arbitrary waveform generators measuring signal fidelity through generation. HTS 9030.90.68.00 as part for electrical signal checking apparatus. Supports complex modulation for test signal creation.
Vector Network Analyzer VNA Calibration PCA
Printed circuit assembly handling TRL calibration algorithms for VNAs measuring S-parameters of RF networks. Under HTS 9030.90.68.00 as part for complex electrical impedance measuring apparatus. Processes error correction for accurate scattering parameters.
Data Acquisition Front-End PCA
Multichannel printed circuit assembly with MUX, PGAs, and ADCs for DAQ systems measuring multiple electrical signals. HTS 9030.90.68.00 classification as part for heading 9030 electrical measuring instruments. Modular design for instrumentation chassis.
EMC Pre-Compliance Scanner PCA
Near-field probe interface printed circuit assembly for EMC scanners detecting radiated emissions. Classified HTS 9030.90.68.00 as part for electrical quantity checking apparatus. Processes magnetic/electric field measurements for compliance testing.
Battery Impedance Tester PCA
AC injection printed circuit assembly for battery testers measuring internal impedance and conductance. HTS 9030.90.68.00 as part for electrical quantity measuring instruments of heading 9030. Supports EV and industrial battery health assessment.
Oscilloscope Printed Circuit Board Assembly
This printed circuit assembly (PCA) serves as the core signal processing module for digital oscilloscopes used to measure electrical waveforms. It falls under HTS 9030.90.68.00 as a specialized part for instruments measuring electrical quantities, specifically designed for oscilloscopes in heading 9030. The assembly includes analog-to-digital converters and FPGA chips tailored for waveform capture.
Multimeter Calibration Reference PCA
Printed circuit assembly containing precision voltage references and DACs for calibrating digital multimeters that measure voltage, current, and resistance. Falls under HTS 9030.90.68.00 as a part for 9030 electrical measuring instruments (excluding 9028 panel meters). Ensures measurement accuracy in benchtop test equipment.
Logic Analyzer Protocol Decoder PCA
This PCA features high-speed serializers and protocol decode firmware for logic analyzers measuring digital signal timing and state. Classified in HTS 9030.90.68.00 as a component of electrical quantity checking apparatus under heading 9030. Used in debugging complex digital systems.
Power Analyzer Harmonic Analysis PCA
Printed circuit assembly with DSP chips for real-time harmonic distortion analysis in power quality analyzers measuring AC electrical parameters. Under HTS 9030.90.68.00 as a part for heading 9030 electrical measuring instruments. Critical for industrial power monitoring applications.
LCR Meter Impedance Bridge PCA
Precision printed circuit assembly implementing auto-balancing bridge circuitry for LCR meters measuring inductance, capacitance, and resistance. HTS 9030.90.68.00 classification as part for electrical quantity measuring instruments. Used in component testing applications.
Hipot Tester High Voltage PCA
High-voltage printed circuit assembly for dielectric withstand testers (Hipot) that check electrical insulation integrity. Falls under HTS 9030.90.68.00 as part for apparatus checking electrical quantities of heading 9030. Generates test voltages up to 5kV.
RF Power Meter Sensor Interface PCA
Printed circuit assembly interfacing thermistor or diode sensors in RF power meters measuring forward/reverse power. HTS 9030.90.68.00 as part for heading 9030 electrical measuring apparatus. Supports frequencies from HF to microwave bands.