TEK4 Parameters with UltraDAS + SDSU Gen.2
STOP PRESS : TEK4
has blobs that reduces it's sensitivity in the U band. 16/2/2000
Device Identification
| Chip name |
TEK4 |
| Year of manufacture |
1993 |
| Serial number |
1675BR10-04 |
| First light on La Palma |
July 1994 |
| Description |
Thinned AR coated, converted to run with UltraDAS January 2001. |
Operational Characteristics
| Speed |
Slow |
Fast |
| Bias(ADU) |
1130 |
1100 |
| Gain(e/ADU) |
1.43 |
3.48 |
| Noise(e) |
4.6 |
7.0 |
| Noise (ADU) |
3.2 |
2.0 |
Linear to(ADU)
{also see graphs below} |
63K |
63K |
| Readout time(s) |
39 |
24 |
Rapid
Spectroscopy mode now available for TEK4 only 
Windowing is available.
Binning
Binning Properties
| |
Noise in electrons
|
|
Binning factor
|
Slow readout
|
Fast readout
|
|
2 x 2
|
4.6
|
5.4
|
|
3 x 3
|
4.4
|
5.5
|
|
4 x 4
|
4.8
|
5.6
|
Linearity was measured by R.Hijmering on the 2nd January 2002
using this method.
| Vertical CTE |
0.999997 |
| Horizontal CTE |
0.999994 |
Physical Characteristics
| X Pixel size |
24 microns |
| Y Pixel size |
24 microns |
| X size in pixels of digitised area |
1100 |
| Y size in pixels of digitised area |
1040 |
| X size of useful imaging area |
1024 |
| Y size of useful imaging area |
1024 |
| X start of useful imaging area |
53 |
| Ystart of useful imaging area |
0 |
| LN2 capacity of cryostat |
2.5 litres |
| Cryostat window thickness |
4 mm |
| Distance from window to CCD |
11.4 mm |
| Cryostat window size |
40mm x 40mm |
Operational Parameters
| Flooding type |
none |
| Operating temperature |
168K |
| Preferred amplifier |
A,D failed 3/95 |
| Anti-blooming available |
no |
Measured Characteristics
| Dark current |
<6 e/hour |
| Chip flatness |
57 micron convex bow |
|
