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LDPD45220R High Speed 18GHZ InGaAs Photodetector
Category: InGaAs detector  Publish Time: 2018-05-10 15:48 

LDPD45220R High Speed 18GHZ InGaAs Photodetector
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 Part NO. : LDPD45220R-X-x 
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LDPD45220R High Speed 18GHZ InGaAs Photodetector



Features:

Wide Bandwidth
● Internal Bias-T
● DC Coupled
● Hermetically sealed, SMA connector


Applications:

● High Speed Optical-fiber Communication
● Microwave Photonic Link
● High speed Test and Measurement


Absolute Maximum Rating (@T C = 22±3℃)


Parameter

 Sym

Rating

Unit

Storage temperature range

TSTG

-45~+85

Operating case temperature range

TC

-40~+70

Bias Voltage

VR

12

V

Optical Input Power

Pin

13

dBm

Lead soldering temperature

TP

26010s


Electrical/Optical Characteristics (@T C = 22±3℃)


Parameter

Sym

Test Condition

Parameter values

Unit

Wavelength range

λ

-

1000-1650

nm

Frequency range

-

-

C Band

X band

Ku band

-

Small signal bandwidth

f-3dB

V R =5V,λ = 1.55μm

P in =0dBmR L =50Ω

DC~8

DC~12

DC~18

GHz

Responsivity

Re

V R =5V, P in =0dBm

λ = 1.55μm

≥0.85

≥0.80

≥0.80

A/W

Amplitude Flatness

F

-

≤±1.5

dB

Output VSWR

VSWR

-

≤2.0:1

≤2.0:1

≤2.5:1

-

Dark current

ID

V R =5V, P in =0mW

≤20

nA

1dB compression point saturation

Input Optical Power

Ps

VR =5 V,λ=1.55μm

Central Frequency fc=9.5GHz

RFin =-10dBm, Pin =1

mW

≥10

dBm

Optical return loss

Lo

λ=1.55μm

≥27

dB


Typical Response Curves


Fig.1 C-Band Photodetector Frequency Response Cruve


Fig.2 X-Band Photodetector Frequency Response Cruve



Fig.3 Ku-Band Photodetector Frequency Response Cruve



Fig.4 1dB Compression Point Saturation Input Optical Power Cruve


The packages and the pins (Unit: mm)


Size

Sym.

d1

d2

d3

e

d4

d5

d6

φa

φb

L

Min

17.8

12.5

12.5

2.4

2.5

9.0

7.5

2.0

0.4

1000.0

Max

18.2

13.0

13.0

2.6

3.5

9.4

7.7

2.2

0.5

-


Ordering Information


LDPD45220R

X

x

 

Tabel2

Table3


Table 2 Analog Bandwidth


Code

Band

Analog Bandwidth

C

CBand

DC~8GHz

X

XBand

DC~12GHz

Ku

KuBand

DC~18GHz


Table 3 Fiber Connector


Code

Connector Type

Remark

0

No Connector

single-mode 9/125 μm fiber pigtail

1

FC/PC

2

FC/APC


Qualification Information


Photodetector module has passed reliability assurance requirements as specified by GJB 8120-2013.


Precautions


— The fiber bending radius no less than 20mm for avoiding fiber damaged.

— Be sure the fiber coupling facet is clean before connecting it to opto-circuit.
— The suitable ESD protection is required in storage, transportation and using.


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