Differences between revisions 4 and 10 (spanning 6 versions)

POX

The data for the following measurements is located at [https://nodus.ligo.caltech.edu:30889/svn/trunk/docs/upgrade08/RFsystem/RFphotodiodes/POX/ /svn/trunk/docs/upgrade08/RFsystem/RFphotodiodes/POX/]

RF Transimpedance

attachment:transimpedance.png

Transimpedance at 11 MHz: 6.3 kOhms.

attachment:res1.png

attachment:res2.png

attachment:res3.png

attachment:noise.png

The noise data was fit to attachment:fitfunc.png with the following results:

Z_RF = (2.07 +- 0.01) kOhms

I_d = (24.7 +- 0.6) mA

chi² / ndf = 42

attachment:timeseries.png

attachment:dark_spectrum.png

attachment:POX.jpg

Picture taken on 12/13/2010.

-  ⇤ ← Revision 4 as of 2010-11-23 08:56:29 → 
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+   ← Revision 10 as of 2011-01-19 10:48:58 → ⇥
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+The data for the following measurements is located at [https://nodus.ligo.caltech.edu:30889/svn/trunk/docs/upgrade08/RFsystem/RFphotodiodes/POX/ /svn/trunk/docs/upgrade08/RFsystem/RFphotodiodes/POX/]
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+Transimpedance at 11 MHz: 6.3 kOhms.

=== Fits To Resonance ===

==== 11 MHz Resonance ====

attachment:res1.png

==== 22 MHz Resonance ====

attachment:res2.png

==== 55 MHz Resonance ====

attachment:res3.png
-Line 11:
+Line 29:
-The measured dark noise was (21 +- 2) nV/rtHz.
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+Line 31:
-V,,d,, = (21 +- 2) nV/rtHz
+Z,,RF,, = (2.07 +- 0.01) kOhms
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+Line 33:
-Z,,RF,, = (2.42 +- 0.08) kOhms
+I,,d,, = (24.7 +- 0.6) mA
-Line 19:
+Line 35:
-chi^2^ / ndf = 0.006
+chi^2^ / ndf = 42

== RF Behavior with No Light ==

attachment:timeseries.png

attachment:dark_spectrum.png

== Picture of Photodiode ==

attachment:POX.jpg

Picture taken on 12/13/2010.