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产品名称:

Four Channels Balanced Photoreceiver

上市日期: 2019-04-25
建议销售价: 0

------ The KY-BPRM-4CH series

Key Features

lSpectral Range 400-1700nm

lVarious 3dB band-width options

lRise time Min.<0.2ns

lIntegrates four channels

lCMRR>30dB

lLow noise

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

lNumber of channels

Description

 The KY-BPRM-4CH series four channels balanced photoreceiver is a product specifically developed for the optical heterodyne detection system. It integrates four balanced photoreceiver with the same performance, each of them integrates two matched high linearity analog PIN detector and low noise broadband transimpedance amplifier, with high gain, high sensitivity, DC coupling output and high common-mode rejection ratio(CMRR). This can effectively reduce the common mode noise of the input light and improve the signal to noise ratio of the system. The module is powered by positive 5V, and the input optical interface is optic fiber. The electric signal is SMA output, mainly used in laser radar , optical fiber sensing system and other fields.

Block diagram

Four Channels Balanced Photoreceiver

 Performance Parameters

InGaAs Balanced Photoreceiver (Fiber Input)

PN

KY-BPRM-BW-I--FA

Number of channels

4 or others

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

10MHz

75MHz

200MHz

500MHz

30K~1.5GHz

Peak Gain

@High resistance

51x 103 V/W

250x 103 V/W

40 x 103 V/W

10x 103 V/W

2x 103 V/W

Rise time

30ns

4.5ns

1.8ns

0.7ns

0.2ns

CMRR

>30 dB

>30 dB

>25 dB

Saturated optical power

Unbalanced

58.8uW

12.5uW

97.5uW

0.38mW

1mW

Balanced

5mW

Coupling

DC

AC only

Impedance

50W

Equivalent noise power NEP

4.1pW/√Hz

6.9pW/√Hz

11.2pW/√Hz

17.9 pW/√Hz

12.9pW/√Hz

Total output noise voltage

<0.3mVRMS

<15mVRMS

<6.3mVRMS

<4mVRMS

<1mVRMS










General Parameters

Parameters

Typ.

Remarks

RF OUT side

Output electrical signal interface

SMA(Female)


Output DC offset

+/-3mV

No input

Maximum output voltage

±3.8V

High resistance

±1.9V

50W

Power interface

2P through-core capacitor


Powered by

DC 5V

Operating Voltage

<600mA

Working current

Light damage threshold

10mW

CW or Peak power

Dimensions

86x47x36mm


Operating temperature

-20~65°C


Dimensions(Unit:mm)

Four Channels Balanced Photoreceiver

Ordering Information

KY – BPRM – CH – BW - I - XX

CH---Number of channels

BW—Bandwidth

XX --- Other requirements


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