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
 

Operational Characteristics

 

Measurements made on JKT A&G box 01/06/97

Speed	Standard	Quick	Turbo	Nonastro
Bias(ADU)	1138	1204	1192	1005
Gain(e/ADU)	1.16	1.63	2.58	4.42
Noise(e)	4.0	4.1	6.0	10.2
Linear to(ADU)	60k	60k	40k	15k
Readout time(s)	95	55	41	30

Vertical CTE                             0.999997

Horizontal CTE                        0.999994

Physical Characteristics

Pixel Scale (JKT imaging)                 0.331 arc/pixel

Field of view (JKT imaging)              5.6 x 5.6 arcmins

X Pixel size                                       24 microns

Y Pixel size                                       24 microns

X size in pixels of digitised area        1124

Y size in pixels of digitised area        1124

X size of useful imaging area           1024

X start of useful imaging area           50

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                   173K

Preferred amplifier                          A,D failed 3/95

Network name                               CCD4

Anti-blooming available                no
 

Measured characteristics
 

Dark current                           <6 e/hour

Chip flatness                          57 micron convex bow

This page last updated : 5th November 1999
awr@ing.iac.es