@article{HeuermannHillebrandSadeghfam2012,
  author    = {Holger Heuermann and J{\"u}rgen Hillebrand and Arash Sadeghfam},
  title     = {Novel Concept of a Digital SigmaDelta-PLL-Phase-Shift-Modulator / Hillebrand, J{\"u}rgen ; Sadeghfam, Arash ; Heuermann, Holger},
  pages     = {123 -- 126},
  year      = {2012},
}