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Entry  Sat Mar 26 17:39:50 2016, Koji, Electronics, Characterization, HQEPD dark noise PD_dark_current.pdf
    Reply  Sat Mar 26 18:22:24 2016, Koji, Electronics, Characterization, Baking / Contamination tests of the PDs 
       Reply  Tue Apr 5 18:22:40 2016, Koji, Electronics, Characterization, Baking / Contamination tests of the PDs QE_after_air_bake.pdf
          Reply  Tue Apr 5 21:20:15 2016, Koji, Electronics, Characterization, More dark noise measurement PD_dark_current.pdf
Message ID: 256     Entry time: Sat Mar 26 17:39:50 2016     Reply to this: 257
Author: Koji 
Type: Electronics 
Category: Characterization 
Subject: HQEPD dark noise 

Dark noise measurement for 6 HQEPDs and 1 C30665. All of these showed sufficiently low dark current noise levels compared with the noise level of the DCPD preamp. The measurement was limited by the input noise (ADC) noise of the FFT analyzer as the line noises were too big.

The measurement has been done with the transimpedance of 1e7. The bandwidth of the measurement was 50kHz.

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