Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 106.06

-0.8%

Dec 11 3:59 PM EST

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To: Bilow who wrote (72336)	5/9/2001 2:57:07 PM
From: gnuman	Read Replies (2) of 93625

Carl re: RSL Last post on this subject. <G> Look at it this way. After the transient wave has made it's trip to the controller and back to the termination resistor, all of the source current is in the termination resistor. (The controller sees 1.0V when the wave hits it due to doubling). Since all the current is now in the termination, the bus is stable at 1.0V at both the controller and the termination once the wave has made it's trip. (A 0.8V signal. Keep in mind everything's referenced to Vterm of 1.8V). During the round trip there's a 0.4V step on the bus for the duration of the transit, (calculate the distance in ps from any source you choose), but the signal at the controller is always 1.0V while the "logic one" is invoked. Wether half the source current is flowing in two directions during the transient, or in one direction after the transient has completed it's trip, the current from the source is the same. Look's like a neat solution. And if you want to create waveforms, use the 30ma current source and the delta load impedance to calculate them. No more. <VBG> JMO's

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