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Entry  Thu Jan 3 20:34:43 2013, Riju, Update, , Photodiode transimpedance 
    Reply  Fri Jan 4 13:23:10 2013, rana, Update, Electronics, Photodiode transimpedance 
       Reply  Tue Jan 8 14:07:04 2013, Riju, Update, Electronics, Photodiode transimpedance 
          Reply  Tue Jan 8 15:28:41 2013, Riju, Update, Electronics, Photodiode transimpedance analyzernoiseV.pdf
Message ID: 7882     Entry time: Tue Jan 8 15:28:41 2013     In reply to: 7881
Author: Riju 
Type: Update 
Category: Electronics 
Subject: Photodiode transimpedance 

Quote:

Quote:

You have to correct this transimpedance ratio by correcting for the different levels of DC photocurrent in the two devices.

For the dark noise, you must always include a trace showing the noise of the measurements device (i.e. the analyzer noise must be less than the dark PD noise) with the same input attenuation setting.

 Hi,

The correction for different levels of DC photocurrent in the two devices had been taken care by one MATLAB code, the code that originally was made by Koji.

The analyzer noise I had not recorded; today I am going to record it.

Riju

 Here is the data for AG4395A network/spectrum analyzer noise data. I collected the data by putting 50ohm terminator on channel A with same input attenuation setting (0dB attenuation).

Attachment 1: analyzernoiseV.pdf  5 kB  | Show | Show all
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