Segment Information - Revenue by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2021	Jul. 26, 2020	Aug. 01, 2021	Jul. 26, 2020
Revenue from External Customer [Line Items]
Net sales	$ 185,004	$ 143,660	$ 355,376	$ 276,362
Signal Integrity
Revenue from External Customer [Line Items]
Net sales	73,087	71,645	139,782	131,574
Wireless and Sensing
Revenue from External Customer [Line Items]
Net sales	62,593	38,830	121,100	71,788
Protection
Revenue from External Customer [Line Items]
Net sales	$ 49,324	$ 33,185	$ 94,494	$ 73,000
Net sales | Product Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Net sales | Signal Integrity | Product Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	39.00%	50.00%	39.00%	48.00%
Net sales | Wireless and Sensing | Product Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	34.00%	27.00%	34.00%	26.00%
Net sales | Protection | Product Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	27.00%	23.00%	27.00%	26.00%