4-Channel Analog Front-End PCA for Benchtop Scopes from China
Multi-channel printed circuit assembly with track/hold amplifiers and 12-bit ADCs for 4-channel benchtop oscilloscopes up to 500MHz. HTS 9030.90.25.00 classification for dedicated oscilloscope (9030.10) analog signal conditioning.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0125%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]
Import Tips
• CMRR and crosstalk specs must align with target oscilloscope performance
• Include channel synchronization circuit documentation
• Risk of 8537 if marketed as general test fixture—specify scope integration