RE: [SI-LIST] : Schottky diode termination

Abe Riazi ([email protected])
Tue, 27 Oct 1998 21:25:49 -0800

>>Most CMOS families also have input clamp diodes, and again they
>>generally work as both input protection and partial signal termination.

It is interesting to know why diodes inside receiver ICs do not
completely eliminate the need for external terminators.

Perhaps such internal diodes can reduce signal amplitude via
clamping action, but without sufficient energy absorption. Therefore,
internal diodes fall short of serving as termination.


Abe Riazi
Anigma, Inc.

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