Latest revision as of 22:27, 19 January 2011

Attenuation of Ribbon Cable measurements

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

setup without Ribbon Cable	setup 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. 
For other pulse width the delay is about the same.

@@ Line 1: / Line 1: @@
 [http://wiki.iac.isu.edu/index.php/PhotoFission_with_Polarized_Photons_from_HRRL Go Back]
+=Attenuation of Ribbon Cable measurements=
 ==Experimental Set Up==
@@ Line 49: / Line 51: @@
-==Signal Delay in Ribbon Cable==
+=Signal Delay in Ribbon Cable measurements=
+==Experimental Set Up==
+{| border="1"  cellpadding="20" cellspacing="0"
+| setup without Ribbon Cable|| setup with Ribbon Cable
+|-
+| [[File:Setup_2signal_before.JPG | 400 px]] || [[File:Setup_2signal_after.JPG | 400 px]]
+|}<br><br>
+==Measurements==
 {| border="1"  cellpadding="20" cellspacing="0"
@@ Line 57: / Line 69: @@
 |}<br><br>
-  We have about 170 ns delay of signal in Ribbon Cable for 100 ns pulse width.
+  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.
 [http://wiki.iac.isu.edu/index.php/PhotoFission_with_Polarized_Photons_from_HRRL Go Back]