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产品名称:

Large Dynamic Range Ultra Low Noise Balanced Photoreceiver

上市日期: 2019-11-14
建议销售价: 0

------ The KY-BPRM series

Key Features

lSpectral Range 800-1700nm

lVarious 3dB band-width options

lLarge dynamic range

lUltra low noise

lCMRR>30dB

lSingle power supply DC 5V

lDimensions 86x47x36mm

lCan be customized

Applications

lLaser radar

lBrillouin Optical Fiber Sensing System

lf-OTDR

lOptical heterodyne detection system

Options

lBand-width

lGain

lOutput Coupling

lChannels

Description

The KY-BPRM-LN series large dynamic range ultra-low noise balanced photoreceiver is specially developed for long-distance measurement applications in optical heterodyne detection systems, each balanced photoreceiver integrates two matched high linearity analog PIN detectors and an ultra low noise wideband transimpedance amplifier with large dynamic range, ultra-low noise, and high common-mode rejection ratio(CMRR). This can effectively reduce the common mode noise of the input light and improve the measurement range and signal to noise ratio of the system. The module is powered by positive 12V, and the input optical interface is fiber incidence. The electric signal is SMA output, mainly used in laser radar, optical fiber sensing systems and other fields.

Performance Parameters

InGaAs Balanced Photoreceiver (Fiber Input)

PN

KY-BPRM-BW-I--FA

Detector type

InGaAs / PIN

Input

FC/APC

Spectral range

800-1700nm

Peak responsivity

0.9A/W @ 1550 nm

Detector diameter

75mm

Band-width(3dB)

RF OUTPUT

20MHz

50MHz

100MHz

Peak Gain

@High resistance

50x 103 V/W

30x 103 V/W

5 x 103 V/W

Rise time

17ns

7ns

3.5ns

CMRR

>30 dB

Saturated optical power

Unbalanced

76uW

127uW

1.6mW

Balanced

5mW

Coupling

DC

Impedance

50W

Equivalent noise power NEP

3.7pW/√Hz

7.9pW/√Hz

6.7pW/√Hz

Total output noise voltage

0.8mVRMS

1.5mVRMS

0.3mVRMS

Coupling

3.8V

3.8V

8V

 

General Parameters

Parameters

Typ.

Remarks

RF OUT side

Output electrical signal interface

SMA(Female)


Output DC offset

+/-3mV

No input

Power interface

2P Aviation plug


Powered by

DC 12V

Operating Voltage

<100mA

Working current

Light damage threshold

10mW

CW or Peak power

Dimensions

47x43x20mm


Operating temperature

-20~65°C


 

Dimensions(Unit:mm)

Large Dynamic Range Ultra Low Noise Balanced Photoreceiver

Ordering Information

KY – BPRM - BW- S/I - FA/FS - LN

BW—Bandwidth

S/I --- S: Si; I: InGaAs

FA/FS --- FA: FC/APC FS: Free Space


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