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参数资料
| 型号： | N7220 |
| 厂商： | Hamamatsu Photonics |
| 英文描述： | EB-CCD TV SCAN RATE TYPE : N7640, SLOW SCAN TYPE : N7220 |
| 中文描述： | 电子束CCD电视扫描频率型号：N7640，慢扫描类型：N7220 |
| 文件页数： | 1/4页 |
| 文件大小： | 334K |
| 代理商： | N7220 |
PRELIMINAR
Y
EB-CCD
TV SCAN RATE TYPE : N7640
SLOW SCAN TYPE : N7220
For Low-Light-Level Imaging with high S/N ratio
The EB-CCD is an absolutely new high-sensitivity imaging
device that employs the “Electron Bombardment (EB)” effect for
image intensification. The EB-CCD basically consists of a
photocathode and a CCD chip arranged in parallel in a vacuum
tube. An optical image is converted at the photocathode into an
electron image, which is then accelerated and directly bom-
bards the CCD surface to produce electron multiplication. Even
a low-light-level image can be brought into view with a high S/N
ratio.
Two types of EB-CCD are available depending on the readout
method: the N7640 designed to operate at the TV scan rate
and the N7220 for slow scan readout. Both types are compact
and simple in structure, and deliver high sensitivity yet ensure
high S/N ratio. The EB-CCD will open up new applications as
the next generation of low-light-level imaging devices.
TAPPB0068EA
SENSITIVITY
(V
.
J
-1
. cm
-2
)
200
1
10
100
1000
300
400
500
600
700
800
900
1000
1100
EB-CCD
N7640
NORMAL 2/3" CCD
WAVELENGTH (nm)
SENSITIVITY COMPARISON
(Calculated data)
IMAGING COMPARISON
Using Resolution Test Chart
s Imaging Conditions
Object illuminance: 0.1 lx
Lens: FUJINON-TV Zoom Lens/H6x 12.5R :F1.2/f2
EB-CCD N7640
Commercial 2/3-inch CCD
OVERVIEW
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| N74F109D-T | Positive J-Knot positive edge-triggered flip-flops - Description: Dual J-/K Flip-Flop with Set and Reset; Positive-Edge Trigger ; F<sub>max</sub>: 125 MHz; Logic switching levels: TTL ; Number of pins: 14 ; Output drive capability: -1/+20 mA ; Propagation delay: 6.2 ns; Voltage: 4.5-5.5 V |
| N74F1244D-T | Octal buffer (3-State) - Description: Buffer/Light Load F244 (3-State) ; Logic switching levels: TTL ; Number of pins: 20 ; Output drive capability: -15/+64 mA ; Propagation delay: 5 ns; Voltage: 4.5-5.5 V |
| N74F125D-T | Quad buffers (3-State) - Description: Quad Buffer/Line Driver with Active LOW Output Enable (3-State) ; Logic switching levels: TTL ; Number of pins: 14 ; Output drive capability: -15/+64 mA ; Propagation delay: 5 ns; Voltage: 4.5-5.5 V |
| N74F126D-T | Quad buffers (3-State) - Description: Quad Buffer/Line Driver with Active HIGH Output Enable (3-State) ; Logic switching levels: TTL ; Number of pins: 14 ; Output drive capability: -15/+64 mA ; Propagation delay: 5 ns; Voltage: 4.5-5.5 V |
| N74F138D-T | 1-of-8 decoder/demultiplexer - Description: 3-to-8 Line Decoder/Demultiplexer; Inverting ; Logic switching levels: TTL ; Number of pins: 16 ; Output drive capability: -1/+20 mA ; Propagation delay: 6.1 ns; Voltage: 4.5-5.5 V |
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