Type IV secretion systems (T4SSs) comprise 12 protein components, VirB1–VirB11 and VirD4. VirB2 forms a pilus and is co-purified with VirB5. VirB4, VirB11 and VirD4 are ATPases powering pilus assembly ...
Abstract: A 6 GHz Type-I fractional-N PLL with noise-cancelling DAC and discrete-time sample and hold loop-filter is presented. The 1 MHz bandwidth PLL utilizes an inherently linear PFD and ...
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