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Charge-Pump with a Regulated Cascode Circuit for Reducing Current Mismatch in PLLs
Phase-locked loop (PLL) charge-pump phase/frequency detector (PFD) regulated cascode
2010/2/2
The charge-pump circuit is an important component in
a phase-locked loop (PLL). The charge-pump converts Up and Down
signals from the phase/frequency detector (PFD) into current. A
conventional CMO...
Analysis of the Density of Electron-Hole Pairs for Minimal Pump Energy in a Laser Diode with Coherent Feedback
Density of electron-hole pairs laser diode coherent feedback minimal pump energy
2010/12/9
The average value in the time domain of the density of electron-hole pairs in a semiconductor laser with coherent feedback is calculated under conditions of minimal pump energy. This value is found to...