| Net Sales by Segment |
Net sales and gross profit by reportable segment were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | (in thousands) | July 30, 2023 | | July 31, 2022 | | July 30, 2023 | | July 31, 2022 | | Net sales: | | | | | | | | | | | | | | | | | Signal Integrity Products Group | $ | 46,507 | | | 20 | % | | $ | 87,355 | | | 42 | % | | $ | 88,153 | | | 19 | % | | $ | 166,657 | | | 41 | % | | Advanced Protection and Sensing Products Group | 48,521 | | | 20 | % | | 65,275 | | | 31 | % | | 84,578 | | | 18 | % | | 137,697 | | | 33 | % | | IoT System Products Group | 119,455 | | | 50 | % | | 56,624 | | | 27 | % | | 254,031 | | | 53 | % | | 107,049 | | | 26 | % | | IoT Connected Services Group | 23,889 | | | 10 | % | | — | | | — | % | | 48,149 | | | 10 | % | | — | | | — | % | | Total net sales | $ | 238,372 | | | 100 | % | | $ | 209,254 | | | 100 | % | | $ | 474,911 | | | 100 | % | | $ | 411,403 | | | 100 | % | | Gross profit: | | | | | | | | | | | | | | | | | Signal Integrity Products Group | $ | 27,850 | | | | | $ | 60,226 | | | | | $ | 52,934 | | | | | $ | 116,091 | | | | | Advanced Protection and Sensing Products Group | 27,116 | | | | | 36,165 | | | | | 46,515 | | | | | 73,294 | | | | | IoT System Products Group | 51,209 | | | | | 40,237 | | | | | 110,332 | | | | | 78,490 | | | | | IoT Connected Services Group | 11,903 | | | | | — | | | | | 23,066 | | | | | — | | | | | Unallocated costs, including share-based compensation and amortization of acquired technology | (17,350) | | | | | (1,857) | | | | | (29,173) | | | | | (3,899) | | | | | Total gross profit | $ | 100,728 | | | | | $ | 134,771 | | | | | $ | 203,674 | | | | | $ | 263,976 | | | |
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| Schedule of Revenue from External Customers by Sales Channel |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (in thousands, except percentages) | Three Months Ended | | Six Months Ended | | July 30, 2023 | | July 31, 2022 | | July 30, 2023 | | July 31, 2022 | | Distributor | $ | 151,995 | | | 64 | % | | $ | 184,983 | | | 88 | % | | $ | 296,269 | | | 62 | % | | $ | 364,016 | | | 88 | % | | Direct | 86,377 | | | 36 | % | | 24,271 | | | 12 | % | | 178,642 | | | 38 | % | | 47,387 | | | 12 | % | | Total net sales | $ | 238,372 | | | 100 | % | | $ | 209,254 | | | 100 | % | | $ | 474,911 | | | 100 | % | | $ | 411,403 | | | 100 | % |
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| Net Sales Activity By Geographic Region |
Net sales activity by geographic region was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | (percentage of total net sales) | July 30, 2023 | | July 31, 2022 | | July 30, 2023 | | July 31, 2022 | | Asia-Pacific | 62 | % | | 72 | % | | 57 | % | | 73 | % | | North America | 24 | % | | 16 | % | | 28 | % | | 15 | % | | Europe | 14 | % | | 12 | % | | 15 | % | | 12 | % | | 100 | % | | 100 | % | | 100 | % | | 100 | % |
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