Moin, On Tue, 20 Jun 2017 17:11:24 -0400 Charles Steinmetz <csteinm...@yandex.com> wrote:
> I was going tp post the Smith chart for the input of the AD96885/7 ECL > comparator they use, but was surprised to find that AD did not include > it on the datasheet. However, just from the spec table we can see why a > buffer is necessary: > > Input Resistance: 200k ohms > Input Capacitance: 2pF Thanks everyone! I was caught again in my DC line of thinking. Even though I saw the capacitance spec, it didn't registers. At some point I need to learn how to design RF circuits.... Attila Kinali -- It is upon moral qualities that a society is ultimately founded. All the prosperity and technological sophistication in the world is of no use without that foundation. -- Miss Matheson, The Diamond Age, Neil Stephenson _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.