Differences between revisions 14 and 17 (spanning 3 versions)

Electronics

outline

80MHz LIGO VCO box is used to readout the frequency of the beat signal precisely.

attachment:SR620.png

To have a fast response up to about 1MHz -150V is applied onto the photo diode.

attachment:RFPD_tf.png

attachment:RFPDnoise.png

Advanced_Techniques/Green_Locking/Electronics (last edited 2017-04-20 01:58:36 by RanaadhikariATligoDOTorg)

-  ⇤ ← Revision 14 as of 2010-11-24 23:33:29 → 
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+   ← Revision 17 as of 2010-11-24 23:43:24 → ⇥
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  Editor: KiwamuIzumi
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-----
== VCO ==
 . 80MHz LIGO VCO box is used to readout the frequency of the beat signal precisely.
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-== VCO ==

 . build by ourselves

 . need a specification
+  -----
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+-----
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- .SR620
+ .SR620 is employed to read out the frequency of the beat signal.
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+||<-3> '''''setting parameters''''' ||
|| readout range || || MHz ||
|| DAC bit resolution || || ||
|| noise || || ||
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+-----
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+-----
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+-----
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+=== frequency response ===
attachment:RFPD_tf.png

=== noise performance ===
attachment:RFPDnoise.png
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+-----