Difference between revisions of "Ribbon Cable Attenuation Measurements"

Revision as of 22:21, 19 January 2011

setup without Ribbon Cable	setup with Ribbon Cable

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

[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

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 width. 
For other pulse width the delay is about the same.

@@ Line 52: / Line 52: @@
 {| border="1"  cellpadding="20" cellspacing="0"
-| <math>30\ ns</math> 2 pulses without Ribbon Cable|| <math>30\ ns</math> 2 pulses with Ribbon Cable
+| 2 pulses without Ribbon Cable|| 2 pulses with Ribbon Cable
 |-
 | [[File:100ns delay before.JPG | 400 px]] || [[File:100ns delay after.JPG | 400 px]]
 |}<br><br>
+ We have about 170 ns delay of signal in Ribbon Cable for 100 ns pulse width.
+ For other pulse width the delay is about the same.
 [http://wiki.iac.isu.edu/index.php/PhotoFission_with_Polarized_Photons_from_HRRL Go Back]