Spectrum Analyzer Reference Oscillator PCB from Japan
Precision printed circuit assembly with oven-controlled crystal oscillator (OCXO) for oscilloscope timebase, ensuring <1ps jitter. Classified under HTS 9030.90.25.00 for its principal use in subheading 9030.10 oscilloscopes' timing circuits.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Phase noise and aging specs must match oscilloscope datasheet requirements
• Include thermal compensation circuit diagrams proving scope-specific design
• Avoid 8543 classification by documenting timebase trigger synchronization functions