EEV/MIT Testbench modes
40a + 10b + 2048c + 10b + 40a
|
50b + 2048c +50b
|
||
| Port A | Port B | Right Port | Left Port |
MIT CCD
|
EEV CCD
|
||
a = virtual pixels doesn't exist on the device, just clocked to get the same amount of pixel as EEV devices
b = overscan pixel, physically present
c = photosensitive pixels
512 pixel height mode :
1792 Pixels, not read
|
1792 Pixels, not read
|
512 Pixels, read
|
512 Pixels, read
|
1792 Pixels, not read
|
1792 Pixels, not read
|
MIT CCD (2148 pixels, except single mode : 2068)
|
EEV CCD (2148 pixels)
|
2 ports means :
Left port for MIT
Right port for EEV
Mode number
|
Mode name
|
Readout time (sec)
|
Gain e-/ADU MIT/EEV |
Description
|
Purpose
|
|---|---|---|---|---|---|
-1
|
-
|
-
|
-
|
-
|
-
|
0
|
225kHz/EEV/left/HG_512
|
-
|
-
|
225 Kpx, Left EEV port, High Gain, 512 pixels high
|
-
|
1
|
50kpx/2ports/HG/512
|
26.6
|
0.6 / ?
|
50 Kpx, AR ports, High Gain,middle 512 pixels high
|
Quick noise tests on two ports
|
2
|
50kpx/2p/HG
|
186
|
0.6 / ?
|
50 Kpx, AR ports, High Gain, full Frame
|
Long Dark frame mode, reference biases
|
3
|
50kpx/4p/HG/512
|
18.8
|
0.6 / ?
|
50 Kpx, ABLR ports, High Gain, 512 pixel height
|
Noise characterisation at low speed, 4 ports
|
4
|
50kpx/4p/HG
|
98
|
0.6 / ?
|
50 Kpx, ABLR ports, High Gain, full Frame
|
Quick noise tests on 4 ports
|
5
|
225kpx/2p/HG/512
|
11.8
|
0.6 / ?
|
225 Kpx, AR ports, High Gain,512 pixel height
|
QE, PRNU
|
6
|
225kHz/2p/HG
|
41.6
|
0.6 / ?
|
225 Kpx, AR ports, High Gain, full frame
|
Cosmetics frames, CTE
|
7
|
225kHz/EEV/left/HG
|
41.6
|
-
|
225 Kpx, Left EEV port, High Gain
|
EEV Left port , if right port is dead
|
8
|
625kHz/4p/LG/512
|
8.1
|
1.6 / ?
|
625 Kpx, ABLR ports, Low Gain, 512 pixel height
|
Noise characterisation at high speed, 4 ports, Linearity
|
9
|
625kHz/4p/LG
|
11.4
|
1.6 / ?
|
625 Kpx, ABLR ports, Low Gain, Full frame
|
Quick look to the overall CCD
|
Single CCD modes
|
|||||
10
|
EEV Rp/50k/HG
|
177.5
|
0.58
|
Single EEV mode, 50kpx, High Gain Full Frame
|
Single EEV, Long Dark frame mode, noise mode, reference biases
|
11
|
EEV 1p/225k/HG
|
41.7
|
?
|
Single EEV mode, 225kpx, High Gain Full Frame
|
Single EEV,Cosmetics, CTE
|
12
|
MIT 1p/50k/HG
|
170.9
|
0.55
|
Single MIT mode, 50kpx, High Gain Full Frame
|
Single MIT, Long Dark frame mode, noise mode, reference biases
|
13
|
MIT 1p/225k/HG
|
40.1
|
0.55
|
Single MIT mode, 225kpx, High Gain Full Frame
|
Single MIT,Cosmetics, CTE
|
14
|
EEV 1p/225k/HG 512
|
11.6
|
?
|
Single EEV mode, 225kpx, High Gain, middle 512 pixels high
|
Single EEV,QE mode
|
15
|
MIT 1p/225k/HG 512
|
11.6
|
0.55
|
Single MIT mode, 225kpx, High Gain, middle 512 pixels high
|
Single MIT,QE mode
|
16
|
EEV 1p/50k/HG 512 | 28.8
|
0.58
|
Single EEV mode, 50kpx, High Gain, middle 512 pixels high
|
Noise Mode
|
17
|
MIT 1p/50k/HG 512 | 27.9
|
0.55
|
Single MIT mode, 50kpx, High Gain, middle 512 pixels high
|
Noise Mode
|
Up to 17 modes can be only be implemented.
3 speeds, 2 gains, 2 ou 4 ports, 2 CCDs, 1 CCD or window 512 pixels in 1 or 2 CCDs.
Here is the HARDWARE description.