Ribbon Cable Attenuation Measurements

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Attenuation of Ribbon Cable measurements

Experimental Set Up

setup without Ribbon Cable	setup with Ribbon Cable

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

[math]100\ ns[/math] pulse without Ribbon Cable	[math]100\ ns[/math] pulse with Ribbon Cable

[math]30\ ns[/math] pulse without Ribbon Cable	[math]30\ ns[/math] pulse with Ribbon Cable

Signal Delay in Ribbon Cable

Experimental Set Up

setup without Ribbon Cable	setup with Ribbon Cable

Measurements

2 pulses without Ribbon Cable	2 pulses with Ribbon Cable

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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