Ribbon Cable Attenuation Measurements

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Experimental Set Up

setup without Ribbon Cable setup with Ribbon Cable
Setup before.JPG Setup after.JPG



Measurements

Pulse width [math]V_1[/math] [math]V_2[/math] Attenuation, % Comments
[math]100\ \mu s[/math] [math]5.0\ V[/math] [math]4.5\ V[/math] 10 %
[math]10\ \mu s[/math] [math]5.0\ V[/math] [math]4.2\ V[/math] 16 %
[math]1\ \mu s[/math] [math]5.0\ V[/math] [math]3.0\ V[/math] 40 % see pictures about change of pulse shape
[math]100\ ns[/math] [math]5.0\ V[/math] [math]2.8\ V[/math] 44 % see pictures about change of pulse shape
[math]30\ ns[/math] [math]4.0\ V[/math] [math]1.8\ V[/math] 55 % see pictures about change of pulse shape
[math]V_1[/math] - without Ribbon Cable
[math]V_2[/math] - with Ribbon Cable

Pictures about change of pulse shape

[math]1\ \mu s[/math] pulse without Ribbon Cable [math]1\ \mu s[/math] pulse with Ribbon Cable
1us before.JPG 1us after.JPG



[math]100\ ns[/math] pulse without Ribbon Cable [math]100\ ns[/math] pulse with Ribbon Cable
100ns before.JPG 100ns after.JPG



[math]30\ ns[/math] pulse without Ribbon Cable [math]30\ ns[/math] pulse with Ribbon Cable
30ns before.JPG 30ns after.JPG




Signal Delay in Ribbon Cable

Experimental Setup

Measurements

2 pulses without Ribbon Cable 2 pulses with Ribbon Cable
100ns delay before.JPG 100ns delay after.JPG



We have about 170 ns delay of signal in Ribbon Cable for 100 ns pulse. 
For other pulse width the delay is about the same.


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