LIGO Document D1300210-v5

PCal Photodiode Board

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Document type:
D - Drawings
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18 Nov 2021, 09:21
28 Jul 2021, 21:47
29 Jun 2021, 14:45
22 Sep 2014, 14:12
24 Jun 2014, 16:12
24 Jul 2013, 10:56
This is the board that goes in the PCal Photodiode Housing, D1300103

There are two types of boards that have been (probably mistakenly) combined in this file card using different versions. There really should be two "types."
Type 1, captured in v4, is the board that we use at the end stations for the Tx and Rx power sensors. It has a differential output.

Type 2, captured in v5, is the board we use for the Pcal transfer standards (working standards, gold standards, and transfer standards). It has a single-ended output.

Going forward, in order to use this single file card, I suggest we continue to designate whether it is a Type 1 or Type 2 board in the "Notes and Changes" field.

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