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9-3-4
EXPOSURE TIME SETTING
The exposure time and the methods used for making the exposure time settings are different for
the free running mode and the external control mode.
The following explains more about each mode.
9-3-4-1 Free running mode [AMD N]
(1) Exposure time setting: Normal [NMD N]
Exposure and readout are performed repeatedly according to the sequence set
internally. Exposure timing and exposure time is as following.
[Exposure timing]
CCD exposure
Readout signal
from CCD chip
Digital data
output
[Exposure time at each readout mode]
Single output
Dual output
Exposure time
Normal readout
2×2 binning readout
4×4 binning readout
8×8 binning readout
Sub-array readout
(SVW: readout line width)
2×2 sub-array readout
4×4 sub-array readout
8×8 sub-array readout
Line scan readout
(n : readout line number)
Normal readout
2×2 binning readout
4×4 binning readout
8×8 binning readout
Sub-array readout
(SVW: readout line width)
2×2 sub-array readout
4×4 sub-array readout
8×8 sub-array readout
Line scan readout
(n : readout line number)
HAMAMATSU PHOTONICS K.K.
Readout period
Approx. 12.2 ms
(82.0 Hz)
Approx. 6.5 ms
(155.5 Hz)
Approx. 3.6 ms
(280.7 Hz)
Approx. 2.2 ms
(465.0 Hz)
(SVW+2) × 24.7 µs + (491-SVW) × 1 µs
(SVW/2+2) × 26.0 µs + (491-SVW/2) × 2 µs
(SVW/4+2) × 28.7 µs + (491-SVW/4) × 4 µs
(SVW/8+2) × 34.1 µs + (491-SVW/4) × 8 µs
(n+1) × 30.7 µs + (492-n) × 1 µs
Approx. 6.7 ms
(150.6 Hz)
Approx. 3.7 ms
(274.2 Hz)
Approx. 2.2 ms
(461.7 Hz)
Approx. 1.5 ms
(694.2 Hz)
(SVW+2) × 13.5 µs + (491-SVW) × 1 µs
(SVW/2+2) × 14.8 µs + (491-SVW/2) × 2 µs
(SVW/4+2) × 17.5 µs + (491-SVW/4) × 4 µs
(SVW/8+2) × 22.9 µs + (491-SVW/4) × 8 µs
(n+1) × 19.5 µs + (492-n) × 1 µs
C9300-201 Ver.1.2
15
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