A 40-Gb/s Clock and Data Recovery Circuit in 0.18-um CMOS ...
A 40-Gb/s Clock and Data Recovery Circuit in 0.18-um CMOS ...
A 40-Gb/s Clock and Data Recovery Circuit in 0.18-um CMOS ...
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<strong>Clock</strong> <strong>and</strong> <strong>Data</strong> <strong>Recovery</strong> Build<strong>in</strong>g Blocks V to I converter– Not switch every phase comparison Free from dead-zone Dead-zone cause of Charge p<strong>um</strong>p (Every phase switch<strong>in</strong>g for current flow<strong>in</strong>g) Dead-zoneBang-bang PD ga<strong>in</strong>I<strong>Data</strong><strong>Data</strong><strong>Clock</strong>Dead-zoneΔɸupdownCK0 CK45 CK90HighupLowHighdownLow
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