Re: [SI-LIST] : RE: [SI-LIST]: Long bus or star?

MikonCons@aol.com
Mon, 5 Apr 1999 11:16:34 EDT

Jon:

As you noted, for the star configuration the effect is indeed incident wave
switching; however, your deduction of the doubling of the rise time at the
load is incorrect. As the (rising) wave arrives at the high impedance load,
the reflection is immediately launched in the reverse direction and adds to
the voltage observed at the load. When the incident wave stops rising, so
does the reflected wave. Since the sum of the two waves starts when the load
first encounters the incident wave and stops when it is complete, the rise
time at the load is the same as that of the incident wave.

Mike Conn
Owner/Principal Consultant
Mikon Consulting

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