Agilent Technologies Option H48 Multiport Test Set Z5623A Especificaciones Pagina 89

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Page 37
安捷倫科技高頻元件量測研討會
Feb.23, 2006
How close can two reflection sites be and still be
seen as independent events?
The TDR edge needs time
to reach its full height
before the next event is
encountered
So what determines the
two-event resolution?
Answer: Its not just the
TDR step speed!
Page 38
安捷倫科技高頻元件量測研討會
Feb.23, 2006
A 35 picosecond step is insufficient to see closely spaced
reflections
With a 35 ps step, all you know is the device is there
If there is more than one reflection, we cant tell
35ps
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