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Dutch 90 / Cassegrain Camera / CCD #33

 
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TYPE Tektronix TK512CB Grade 1
Thin, back-illuminated, AR coated
IMAGE SIZE [pixels] 512 x 512 (50 prescan pixels)
PIXEL SIZE [microns] 27 x 27
DARK CURRENT [e- / pixel / hr] <1 at 162 °K (see "warnings")
FULL WELL CAPACITY [e- / pixel] 580k
CONTROLLER ESO VME
Mode slow [16 kpixel / sec] fast [23 kpixel / sec]
R.O.N. [e- rms] 7.5 13.6
CONVERSION FACTOR [e- / ADU] 3.6 7.3
Full Frame READOUT TIME [sec] 33 27



Quantum Efficiency

 

[QE 33 curve] 

    lambda (nm)	   QE (%)
         320       28.69
         340        41.1
         360       47.84
         380       57.78
         400       69.01
         450       70.38
         500       75.79
         550       78.84
         600       80.28
         650       78.87
         700       76.67
         750       67.83
         800       59.97
         850       45.55
         900       30.86
         950       18.68
        1000        7.74

Charge Transfer Efficiency

Serial CTE = 0.999995
and Parallel CTE = 0.9999992

Full Well Capacity

Upper limit of linearity: 580k e- / pixel
Saturation-value: 690k e- / pixel

Cosmic Ray Event

The cosmic ray event rate is 3.75 [events / min / cm ²]

Shutter Error

History

 

Date of delivery at the telescope:
Date of last set of tests: September 30, 1997

Previous test: May 30, 1997
DARK CURRENT [e- / pixel / hr] 23 at 162 °K (see "warnings")
Mode slow [16 kpixel / sec] fast [23 kpixel / sec]
R.O.N. [e- rms] 6.9 13.5
CONVERSION FACTOR [e- / ADU] 3.6 7.3
Previous test: September 15, 1994
DARK CURRENT [e- / pixel / hr] ~6.5 at 162 °K
Mode slow [16 kpixel / sec] fast [23 kpixel / sec]
R.O.N. [e- rms] 8.0 20.6
CONVERSION FACTOR [e- / ADU] 3.5 7.0
Previous test: July 8, 1996
DARK CURRENT [e- / pixel / hr] ~6.5 at 162 °K
R.O.N. [e- rms] 8.0 20.6
CONVERSION FACTOR [e- / ADU] 3.6 7.1


Image Files
©   1999 by Cyril Cavadore

Send comments to   odt@eso.org
Last update: 2004/Mar/24

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