Preliminary CCD tests
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CCD Test report

EEV 44-82
CCD name : Linda
Serial number : 8131-13-1
Type : Backside, Single layer AR Pixel size 15x15 µm
Number of photosensitive pixels 2048 x 4102 [HxV]
Number of outputs : 2
Overall rating : --

Test on December 1999

Quantum Efficiency, PRNU

      



Left readout port
Readout speed: 350kp/s
Conversion Factor =1.78e-/ADU ± 0.0075  for 24837.24ADU
RMS noise         =4.04e-     ± 0.32

bandwidth = 5nm

Wav.  PRNU rms%  QE%   
310   4.55       37.6
320   4.27       39.7
330   4.10       43.4
340   4.06       45.7
350   4.11       47.9
360   4.08       49.3
370   3.71       55.9
380   2.81       64.7
390   2.22       73.3
400   1.90       77.7
440   1.45       85.0
460   1.37       85.2
500   1.26       84.7
540   1.18       83.0
560   1.15       81.5
600   1.10       79.6
640   1.07       76.9
660   1.07       74.5
700   1.02       68.9
740   1.19       62.0
760   1.18       58.3
800   1.36       49.4
840   1.64       38.9
860   1.70       33.4  
900   2.19       23.0
940   3.42       13.3
960   4.20       9.75
1000  6.46       3.68
1100  8.37       0.05

Cosmetic defects

 

flat field

350nm (UV)

bandwidth: 5nm

 

600 nm

bandwidth: 5nm

Cosmetic defects available here ...

900 nm

bandwidth: 5nm

 

Bias

Long exposure dark image (1 hour @-120C) two port readout.

Type of defect	Location	Number of pixels affected

Bias frame (2 ports)

 

 

Readout noise/Conversion factor

 



Left readout port
Readout speed: 350kp/s
Conversion Factor =1.78e-/ADU ± 0.0075  for 24837.24ADU
RMS noise         =4.04e-     ± 0.32


 

Linearity (TDI method)

Left readout port:
RMS non linearity (%)=0.0206274
Peak to peak non linearity (%)=0.324196

Right readout port:
RMS non linearity (%)=0.0196543
Peak to peak non linearity (%)=0.298219




  

 

 

Dark current

  


 Not measured
  

 

Charge Transfer Efficiency (CTE)

 




Left readout port
Readout speed: 166kp/s
Horizontal CTE = 0.99999987
Vertical CTE =   0.99999948

 

©   C. Cavadore Send comments to   <odt@eso.org> Last update: Mar 16, 2004