AC coupled backplane communication using embedded capacitor

Author

Su, Bruce ; Patel, Pravin ; Hunter, Steve W. ; Cases, Moises ; Franzon, Paul D.

Author_Institution

Dept. of ECE, North Carolina State Univ., Raleigh, NC

fYear

2008

fDate

27-29 Oct. 2008

Firstpage

295

Lastpage

298

Abstract

Surface mount capacitors can be replaced with a buried capacitor in backplane interconnect applications requiring blocking capacitance, such as FiberChannel. This replacement improves cost, reliability and parasitic inductance. The smaller nominal capacitance value can be compensated for by using an equalizing receiver filter. Tradeoffs in capacitance choice are explained in detail. A nominal capacitance of around 1 pF provides a good choice for the analyzed scenarios.

Keywords

capacitors; circuit reliability; filters; integrated circuit interconnections; surface mount technology; AC coupled backplane communication; backplane interconnect applications; buried capacitor; capacitance 1 pF; embedded capacitor; equalizing receiver filter; nominal capacitance value; parasitic inductance; surface mount capacitors; Backplanes; Band pass filters; Capacitors; Frequency; Inductance; Integrated circuit interconnections; Optical signal processing; Packaging; Parasitic capacitance; Surface-mount technology;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Performance of Electronic Packaging, 2008 IEEE-EPEP

Conference_Location

San Jose, CA

Print_ISBN

978-1-4244-2873-1

Type

conf

DOI

10.1109/EPEP.2008.4675938

Filename

4675938