The ultra-low noise Photodetector module integrates ultra-low noise analog PIN detector, low noise broadband transimpedance amplifier and ultra-low noise isolation power supply, and the output signal is not affected by the external power supply. This module is particularly prominent in background noise . Under the same parameters, its background noise is about one third of that of conventional modules, which well meets customers' requirements for smaller signal detection and higher signal-to-noise ratio.
Product model
Name
Model
Description
Parameter
Price
Parameter
Features
● Low Noise
● High Bandwidth
● High Transimpedance Gain
● Compact Structure
● Built-in low noise isolation power supply
Specifications
Product Model
UPD-100M-A
UPD-200M-A
UPD-300M-A
UPD-400M-A
UPD-500M-A
UPD-800M-A
UPD-1G-A
UPD-1.2G-A
UPD-1.5G-A
UPD-2G-A
UPD-2.5G-A
UPD-5G-A
Unit
Detector
InGaAs
Wavelength
800~1700
nm
Bandwidth
100M
200M
300M
400M
500M
800M
1G
1.2G
1.5G
2G
2.5G
5G
Hz
Detector Responsivity
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
A/W@1550nm
Transimpedance Gain
30K
30K
30K
20K
15K
30K
30K
30K
30K
30K
30K
6K
V/W
Saturated Input Optical Power
140
140
140
210
280
140
140
140
420
140
140
700
μW
NEP
2.2
2.2
2.2
2.7
3.1
3.3
3.3
3.3
3.3
3.3
3.3
3.3
pW/Sqrt(Hz)
Output Impedance
50
50
50
50
50
50
50
50
50
50
50
50
Ω
Output Coupling Mode
DC/AC
DC/AC
DC/AC
DC/AC
DC
AC
AC
AC
AC
AC
AC
AC
Supply Voltage
5
5
5
5
5
12
12
12
12
12
12
12
V
Supply Current
0.5(max)
0.5(max)
0.5(max)
0.5(max)
0.5(max)
0.5(max)
0.5(max)
0.5(max)
0.5(max)
0.5(max)
0.5(max)
0.3
A
Optical Input
FC/APC（or Free Space ）
FC/APC
Radio Frequency Output
SMA
SMA
Shape Size
65*50*20
65*50*25
80*90*25
mm
Test Result
Bandwidth curve of 300MHz Ultra-Low Noise Photodetector
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