Title :
Equivalent rise time for resonance in power/ground noise estimation
Author :
Salman, Emre ; Friedman, Eby G. ; Secareanu, Radu M. ; Hartin, Olin L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Rochester, Rochester, NY
Abstract :
The non-monotonic behavior of power/ground noise with respect to the rise time tr is investigated for an inductive power distribution network with a decoupling capacitor. A time domain solution is provided for the rise time that produces resonant behavior, thereby maximizing the power/ground noise. The sensitivity of the ground noise to the decoupling capacitance Q and parasitic inductance Lg is evaluated as a function of the rise time. Increasing the decoupling capacitance is shown to efficiently reduce the noise for tr les 2radic(LgCd). Alternatively, reducing the parasitic inductance Lg is shown to be effective for tr ges 2radic(LgCd).
Keywords :
estimation theory; noise; power supply circuits; decoupling capacitor; ground noise estimation; inductive power distribution network; nonmonotonic behavior; parasitic inductance; power noise estimation; resonant behavior; time domain solution; Capacitors; Circuit noise; Impedance; Inductance; Integrated circuit noise; Parasitic capacitance; Power supplies; Resonance; Semiconductor device noise; Voltage;
Conference_Titel :
Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4244-1683-7
Electronic_ISBN :
978-1-4244-1684-4
DOI :
10.1109/ISCAS.2008.4541944
