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CAMELIA 1.6M user guide

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2.6 E

LECTRO

OPTICAL PERFORMANCE

♦

Conditions :

◊

frame integration time : 40ms

◊

camera operating free air temperature : 25°C

♦

Performance :

Parameter

Symbol

Typical
Value

Unit

Full scale value
see note 2

VPE

4095

adu

Temporal noise

see note 3

adu

Dark signal non uniformity

see note 4

DSNU

adu

Dynamic range
see note 5

2048

Responsitivity
see note 6

adu/(lux.s)

Resolution
- horizontal contrast transfer function at Nyquist
- vertical contrast transfer function at Nyquist
see note 7

CTFh
CTFv

50%
50%

♦

note 1 : adu : arbitrary digital unit : 12 bit = 4095 adu or gray levels.

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note 2 : full scale value VPE : maximum digital video signal

♦

note 3 : temporal noise VN : r.m.s value in darkness. Measured by substracting 2 images pixel to pixel

♦

note 4 : dark signal non uniformity : r.m.s value. Excludes blemishes.

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note 5 : dynamic range DY :

◊

DY = VPE / VN

♦

note 6 : responsitivity :

◊

conditions : 3200K, BG38 2mm, F/4, lux measured on the scene, camera gain = 1x.

♦

note 7 : resolution :

◊

conditions : light source 3200K, BG38 2mm.

◊

measured at VIDEO = 2000 adu, camera gain = 1x.

Содержание CAMELIA 1.6M

Страница 1: ...UIREMENTS 24V 0 6A power supply computer minimal configuration PENTIUM II 350MHz RAM 128 Mb 256 Mb for 3 shot color operation Cache memory 256 Kb 1 free PCI slot operating system windows NT 4 0 windows 95b 98 NIKON lens lightning control shutter chopper or pulsed lightning GETTING STARTED connect the camera to one of the computer serial ports COM1 or COM2 by using the RS232 cable power on the came...

Страница 2: ...clocking 6 2 4 Color operation 6 2 5 Electrical interfaces 7 2 5 1 Power supply 7 2 5 2 Digital I O 7 2 5 3 RS232 interface 8 2 6 Electro optical performance 9 2 7 Geometrical specifications 11 2 8 Environmental requirements 12 3 CONNECTORS AND CABLES 12 3 1 Data and sync connector 12 3 2 Power supply cable 13 3 3 RS232 cable 13 ...

Страница 3: ...er shutter in front of the camera in order to have incident lightning on the CCD only during integration time You must design an electro optical interface to drive camera shutter chopper or lightning by using the SHUTTER signal delivered by the camera If required the system can send an external trigger or external ITC integration time control signal to the camera POWER RS232 DATA SYNC FRAME GRABBE...

Страница 4: ...edge is synchronized by the camera with a precision of 62µs integration time is set by RS232 note TRIG signal period must be greater than integration time plus frame readout time operation with integration time control integration is fully controlled by the user from the external signal ITC the falling edge of ITC activates the start of the frame integration This falling edge is synchronized by th...

Страница 5: ...ixels INT TIME SET BY RS232 FRAME INTEGRATION LEN SHUTTER FEN shutter delay video lines 2 1 3 1536 1535 1534 FRAME READOUT 2ms 2 LEN FEN 1 video lines FRAME INTEGRATION INT TIME SET BY RS232 TRIG shutter delay 3 WAITING FRAME READOUT SHUTTER 1024 pixels 1536 1535 1534 FRAME READOUT 3 1024 pixels FRAME INTEGRATION FEN SHUTTER LEN ITC shutter delay 2 1 video lines WAITING 1536 1535 1534 ...

Страница 6: ...I2 input signals COLOUR_I1 _I2 must be valid in the time period between TRIG signal rising edge or ITC signal falling edge and SHUTTER signal falling edge see timing there after color definition is COLOUR_I2 COLOUR_I1 Frame Color 0 0 Red 0 1 Green 1 0 Blue integration time can be adjusted differently for each color This allows to have a better signal to noise ratio for the colour with the lowest s...

Страница 7: ...LVDS S 11 0 O Digital video output 12 bits LVDS FEN Frame enable FEN 0 frame data valid active lines FEN 1 frame data not valid LVDS LEN O Line enable LEN 0 line data valid active pixels LEN 1 line data not valid LVDS PCK O Pixel clock LVDS COLOUR_O 1 0 O Color identification of the current frame in color mode 00 red 01 green 10 blue LVDS SHUTTER O shutter open close during integration shutter 1 d...

Страница 8: ...and white integration time integration time value in ms from 1ms to 2000ms active only in black and white mode Must be an integer Ex 120 for 120ms 120 4 not allowed Red integration time integration time for the red frame value in ms from 1ms to 2000ms active only in 3 shot color mode Must be an integer Ex 120 for 120ms Green integration time integration time for the green frame value in ms from 1m...

Страница 9: ...ntrast transfer function at Nyquist vertical contrast transfer function at Nyquist see note 7 CTFh CTFv 50 50 note 1 adu arbitrary digital unit 12 bit 4095 adu or gray levels note 2 full scale value VPE maximum digital video signal note 3 temporal noise VN r m s value in darkness Measured by substracting 2 images pixel to pixel note 4 dark signal non uniformity r m s value Excludes blemishes note ...

Страница 10: ...CAMELIA 1 6M user guide 10 14 Note µJ cm 2 measured on the CCD chip 0 20000 40000 60000 80000 Wavelength nm Responsitivity codes uJ cm2 400 500 600 700 800 900 1000 1100 CAMELIA 1 6M spectral response ...

Страница 11: ...OMETRICAL SPECIFICATIONS REAR PANEL DATA SYNC 64 0 mm FRONT PANEL 74 0 mm ø 66 0 mm 112 0 mm 6 0 mm TH 31CA182M 110 5 mm SN Made in France RS 232 2 X ø 2 0 mm 64 0 mm 4 X M3 114 0 mm 2X 1 4_20 UNC 2B 25 6 mm 108 0 mm POWER 144 5 mm 4 0 mm ...

Страница 12: ...D 6 COLOUR_O2 1 31 GROUND 7 PDATA0 32 PDATA1 8 PDATA0 33 PDATA1 9 PDATA2 34 PDATA3 10 PDATA2 35 PDATA3 11 PDATA4 36 PDATA5 12 PDATA4 37 PDATA5 13 PDATA6 38 PDATA7 14 PDATA6 39 PDATA7 15 PDATA8 40 PDATA9 16 PDATA8 41 PDATA9 17 PDATA10 42 PDATA11 18 PDATA10 43 PDATA11 19 GROUND 44 NC 20 GROUND 45 NC 21 SHUTTER 46 TRIG_ITC 22 SHUTTER 47 TRIG_ITC 23 COLOUR_I1 1 48 COLOUR_I2 1 24 COLOUR_I1 1 49 COLOUR_...

Страница 13: ...side SUBD9 male Pin out Pin Number Signal 1 24V 2 24V 3 NC 4 NC 5 NC 6 GROUND 7 GROUND 8 NC 9 NC note NC not connected 3 3 RS232 CABLE on computer side SUBD9 female pin out compatible with computer serial port note pin out is the same on camera side and on computer side ...

Страница 14: ...his publication are subject to change without notice This publication supersedes and replaces all information previously supplied Atmel Grenoble products are not authorised for use as critical components in life support devices or systems without express written approval from Atmel Grenoble 2000 Atmel Grenoble Printed in France All rights reserved This product is manufactured by Atmel Grenoble 385...

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