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C2719

更新时间： 2024-11-07 22:28:11
品牌 Logo 应用领域
HAMAMATSU 放大器
页数 文件大小 规格书
6页 475K
描述
Photosensor amplifier

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中文翻译

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C2719 数据手册

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M O D U L E  
Photosensor amplifier  
C2719  
Current-to-voltage conversion amplifier for amplifying weak photocurrent with low noise  
C2719 is a current-to-voltage conversion amplifier used to amplify weak photocurrent from a photodiode with very low noise. Three ranges of  
photocurrent detection sensitivity level (H, M, L) are selectable to match the input signal. A 10-turn potentiometer is used to zero the amplifier  
level so fine adjustments are possible with high resolution.  
C2719 operates on the built-in dry batteries so it can be easily used anywhere. An external power input connector is also provided at the rear  
panel for a long, continuous operation or for use as part of a measurement system. In such applications, use the dedicated plug to connect to a  
stabilized DC power supply.  
C2719 was developed specifically for use with Si photodiodes, but it can be used to detect photocurrent from phototubes.  
Features  
Applications  
Three sensitivity ranges  
H: 109 V/A  
Precision photometry  
Laser monitors  
Optical power meters  
Colorimeters  
M: 107 V/A  
L : 105 V/A  
Zero adjustment with high resolution  
Operates on either dry batteries or external power supply  
Compact and lightweight  
Low signal current preamplifiers  
ꢀ General ratings (Ta=25 °C)  
Parameter  
Output voltage amplitude  
Offset drift  
Condition  
Min.  
±5 (±10)  
-
Typ.  
Max.  
-
Unit  
V
-
-
RL=2 kW  
±0.1  
mV/hr  
Offset temperature  
characteristic  
-
-
-
-
-
±25  
µV/°C  
Input voltage  
±100  
V
F
Recommended input  
capacitance  
Supply voltage *1  
-
2 × 10-9  
-
±6  
200  
-
±9  
-
V
V
hr  
g
External power supply  
Battery lifetime  
Weight  
-
-
±15  
-
-
RL>10 kW  
Including batteries  
420  
Value in parentheses is measured when external power supply is used.  
*1: Batteries: 006 P (9 V) × 2 pieces  
ꢀ Electrical and optical characteristics (Ta=25 °C)  
Internal batteries (Vs=±9 V)  
Parameter  
External power supply (Vs=±15 V)  
Unit  
H
M
L
H
M
L
109  
107  
105  
109  
107  
105  
Conversion impedance  
Input current range  
V/A  
A
to ±5 × 10-9 to ±5 × 10-7 to ±5×10-5 to ±10×10-9 to ±10×10-7 to ±10×10-5  
Frequency bandwidth  
Output noise *2  
(all bandwidth)  
DC to 16  
0.2  
DC to 1600 DC to 1600  
DC to 16  
0.2  
DC to 1600 DC to 1600  
Hz  
0.2  
0.2  
0.2  
0.2  
mVp-p  
mVrms  
0.02  
0.02  
0.02  
0.02  
0.02  
0.02  
Equivalent noise  
input current  
*2: Measured with a 1.6 kHz lowpass filter added to the output of C2719.  
2 × 10-14  
2 × 10-12  
2 × 10-10  
2 × 10-14  
2 × 10-12  
2 × 10-10  
A
1
123456

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