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Segment Information
 3 Months Ended
Apr. 27, 2025
Segment Reporting [Abstract]  
Segment Information Segment Information
The Company's Chief Executive Officer functions as the chief operating decision maker ("CODM"). The CODM makes operating decisions and assesses performance based on the net sales and gross profit of the Company's major product lines, which represent its operating segments, to allocate resources (including employees, property, and financial or capital resources) for each segment predominantly in the annual budget and forecasting process. The Company currently has three operating segments—Signal Integrity ("SIP"), Analog Mixed Signal and Wireless ("AMW"), and IoT Systems and Connectivity ("ISC")—that represent three separate reportable segments. The SIP reportable segment consists of a portfolio of optical and copper data communications and video transport products used in a wide variety of infrastructure and industrial applications. The AMW reportable segment provides infrastructure, industrial and high-end customers with high-performance protection devices and a portfolio of specialized radio frequency products. The SIP and AMW reportable segments together constitute our Semiconductor Products business. The ISC reportable segment provides industrial customers with an IoT solutions portfolio that includes a wide range of modules, gateways, routers, and connected services.
The Company’s assets are commingled among the various operating segments and the CODM does not use asset information in making operating decisions or assessing performance. Therefore, the Company has not included asset information by reportable segment in the segment disclosures below.
The Company adopted the provisions of ASU 2023-07 for the year ended January 26, 2025, on a retrospective basis and included enhanced disclosures relating to its reportable segments.
Net sales and gross profit by reportable segment were as follows:
Three Months Ended April 27, 2025
(in thousands)Signal IntegrityAnalog Mixed Signal and WirelessTotal Semiconductor Products IoT Systems and Connectivity
Unallocated(1)
Total
Net sales$73,521$90,623$164,144$86,916$— $251,060
Segment cost of sales25,35734,17859,53556,9933,243 119,771
Segment gross profit$48,164$56,445$104,609$29,923$(3,243)$131,289
Segment gross margin65.5 %62.3 %63.7 %34.4 %
NM(2)
Gross margin52.3 %
Three Months Ended April 28, 2024
(in thousands)Signal IntegrityAnalog Mixed Signal and WirelessTotal Semiconductor Products IoT Systems and Connectivity
Unallocated(1)
Total
Net sales$58,299$75,344$133,643$72,462$— $206,105
Segment cost of sales23,53834,64058,17845,3682,967 106,513
Segment gross profit$34,761$40,704$75,465$27,094$(2,967)$99,592
Segment gross margin59.6 %54.0 %56.5 %37.4 %
NM(2)
Gross margin48.3 %
(1) Unallocated includes share-based compensation, and amortization of acquired technology
(2)Not meaningful
Geographic Information
Net sales activity by geographic region was as follows:
 Three Months Ended
(percentage of total net sales)April 27, 2025April 28, 2024
Asia-Pacific63%64%
North America22%22%
Europe15%14%
100%100%
The Company attributes sales to a country based on the ship-to address. The table below summarizes sales activity to geographies that represented greater than 10% of total sales for at least one of the periods presented:
 Three Months Ended
(percentage of total net sales)April 27, 2025April 28, 2024
China (including Hong Kong)44%43%
United States18%21%
Although a large percentage of the Company's products is shipped into the Asia-Pacific region, a significant number of products produced by these customers and incorporating the Company's semiconductor products are then sold outside this region.