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Revenues (Tables) | 12 Months Ended
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Dec. 28, 2019
Revenues |
Schedule of disaggregation of revenue by product category | The Company groups its revenues into four categories, based on the markets and applications in which its products may be used. The following disaggregates the Company's revenue by product category (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Year Ended
​ |  | December 28, |  | December 29, |  | December 30,
​ | ​ | 2019 | ​ | 2018 | ​ | 2017(1)
Internet of Things | ​ | $ | 488,156 | ​ | $ | 463,838 | ​ | $ | 395,012
Infrastructure | ​ |  | 183,189 | ​ |  | 199,478 | ​ |  | 152,158
Broadcast | ​ |  | 114,899 | ​ |  | 141,412 | ​ |  | 152,980
Access | ​ |  | 51,310 | ​ |  | 63,539 | ​ |  | 68,717
​ | ​ | $ | 837,554 | ​ | $ | 868,267 | ​ | $ | 768,867
(1) | Under the modified retrospective method, amounts prior to fiscal 2018 have not been adjusted.
Schedule of disaggregation of revenue by sales channel | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Year Ended
​ |  | December 28, |  | December 29, |  | December 30,
​ |  | 2019 |  | 2018 |  | 2017(1)
Distributors | ​ | $ | 610,410 | ​ | $ | 618,989 | ​ | $ | 547,419
Direct customers | ​ |  | 227,144 | ​ |  | 249,278 | ​ |  | 221,448
​ | ​ | $ | 837,554 | ​ | $ | 868,267 | ​ | $ | 768,867
(1) | Under the modified retrospective method, amounts prior to fiscal 2018 have not been adjusted.

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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