InGaAs ultra-low noise unit detector UPD-300M-A

InGaAs ultra-low noise unit detector UPD-300M-A

The ultra-low noise photodetector module integrates an ultra-low noise analog PIN photodetector, a low-noise broadband transimpedance amplifier, and an ultra-low noise isolated single power supply. The output signal is unaffected by external power supply sources. This module is particularly outstanding in terms of background noise control, with its background noise being approximately one-third of that of conventional modules under the same parameters, effectively meeting customers' needs for smaller signal detection and higher signal-to-noise ratio.

Product features：Ultra-low noise、 High gain、 High bandwidth、 Compact structure、 Built-in low-noise isolated power supply

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Application area：Fiber optic sensing、 Fiber optic communication、 Laser ranging、 Spectral measurement、 Nanosecond level optical pulse detection

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Main parameters
General Parameters
Optional Configurations
Downloads

Main parameters

Core parameters

Dimension Drawing

General Parameters

Parameters

PN#	UPD-100M-A	UPD-200M-A	UPD-300M-A	UPD-400M-A	UPD-500M-A	UPD-600M-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 Type	InGaAs
Wavelength	800~1700													nm
Bandwidth	100M	200M	300M	400M	500M	600M	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	0.95	A/W@1550nm
Transimpedance Gain	30K	30K	30K	20K	15K	15K	30K	30K	30K	30K	30K	30K	6K	V/W
Saturation Optical Power	140	140	140	420	280	280	140	140	140	420	140	140	700	μW
NEP	2.2	2.2	2.2	2.7	3.1	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	50	Ω
Output Coupling	DC/AC	DC/AC	DC/AC	DC/AC	DC	DC	AC	AC	AC	AC	AC	AC	AC
Power Supply Voltage	5	5	5	5	5	12	12	12	12	12	12	12	12	V
Power 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)	0.5(max)	0.3	A
Optical Input	FC/APC（Free space option available）												FC/APC
RF Output	SMA												SMA
Dimensions	655020						655025						809025	mm

Test Result

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300MHz ultra-low noise unit detector

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Comparison of the Ultra-Low Noise Unit Detector with Conventional Unit Detector in Terms of Background Noise

Optional Configurations

Downloads

InGaAs ultra-low noise unit detector UPD-300M-A.pdf