InGaAs Balance Photodetector     


High speed and low noise balance photo detector consists of two matched ultra-low noise analog photodiodes, a low noise broadband transimpedance amplifier and Ultra Low Noise power supply. Due to high gain, high sensitivity, high bandwidth, low noise, and high common mode rejection ratio, the high speed and low noise balance photo detector can effectively reduce the commonmode noise, and improve the signal-to-noise ratio of the system.



Product model


Name Model Price
2.5G InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-2.5G-A
Stock NO.: E80040261
[Please inquire]
2G InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-2G-A
Stock NO.: E80040260
[Please inquire]
1.5G InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-1.5G-A
Stock NO.: E80040259
[Please inquire]
1G InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-1G-A
Stock NO.: E80040258
[Please inquire]
800M InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-800M-A
Stock NO.: E80043007
[Please inquire]
500M InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-500M-A
Stock NO.: E80040257
[Please inquire]
400M InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-400M-A
Stock NO.: E80040249
[Please inquire]
300M InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-300M-A
Stock NO.: E80040196
[Please inquire]
200M InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-200M-A
Stock NO.: E80040039
[Please inquire]
100M InGaAs Balance Photodetector   [PDF]  [RFQ]

MBD-100M-A
Stock NO.: E80040038
[Please inquire]


Parameter



Features

● Low Noise

● High Bandwidth

● High Transimpedance Gain

● Compact Structure

● Built-in low noise isolation

● power supplly

Specifications

Product Model

MBD-100M-A

MBD-200M-A

MBD-300M-A

MBD-400M-A

MBD-500M-A

MBD-800M-A

MBD-1G-A

MBD-1.5G-A

MBD-2G-A

MBD-2.5G-A

Unit

Detector Model

InGaAs


Wavelength

800~1700

nm

Bandwidth

100M

200M

300M

400M

500M

800M

1G

1.5G

2G

2.5G

Hz

Detector Responsivity

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

10K

5K

30K

30K

30K

15K

15K

V/A

Saturated Input Optical Power

140

140

140

420

840

140

140

140

280

280

μW

NEP

5

5

5

7

7

9

9

9

9

9

pW/Sqrt(Hz)

CMRR

>30

>30

>30

>30

>30

>30

>30

>30

>30

>30

dB

Output Impedance

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

DC


Supply Voltage

5

5

5

5

5

12

12

12

12

12

V

Supply Current

0.3(max)

0.3(max)

0.3(max)

0.3(max)

0.3(max)

0.3(max)

0.3(max)

0.3(max)

0.3(max)

0.3(max)

A

Optical Input

FC/APCor Free Space


Radio Frequency Output

SMA


Shape Size

62*47*25

75*55*25

mm


Test Result

P4-1.png

Optical path diagram of coherent detection


P4-2.png

Bandwidth curve of 300MHz Balance detector


P4-3.jpg

Demodulation phase of PZT vibration point on optical fiber (1KHz)

Package Size

Unit(mm)

ti.jpg


Internal block diagram of the module

PICTURE.jpg

Application

● Optical Fiber Sensing

● Doppler Wind Lidar

● OCT

● Laser Ranging

● Spectrometry



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