Datasheet > 1751A-25-BB-FC-10

1751A-25-BB-FC-10

更新时间： 2022-05-09 01:58:28

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EMCORE		/
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6页	658K
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1550 nm DWDM DFB Laser Module

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1751A 1550 nm DWDM DFB Laser Module

DATASHEET | JUNE 2012

FIBER OPTICS

RF Characteristic

Parameter

Symbol

Condition

Min

Typ

Max

Units

Frequency Range¹

Return Path

Forward Path

I_F= 60 mA

210

860

MHz

Frequency Response¹

I_F= 60 mA,

T_OP= 25 C

Return Path Version 5-210 MHz

Forward Path Version 40- 860 MHz

RF Return Loss¹

±0.5

| S11 |

I_F= I_OP

Note 2, 3, 4 and 5

I_F= I_OP

Note 2, 3, 4 and 5

I_F= I_OP

Note 2, 3, 4 and 5

Composite Second Order

CSO

dBc

Composite Triple Beat

Carrier to Noise Ratio

CTB

CNR

dBc

MHz/m

I_F= 60 mA, T = 25 C,

Adiabatic Chirp

Z_IN

100

measured at 500 MHz

Nominal Input Impedance

1. Measured on a 50 resistively matched system.

2. I _OPis the bias point at which simultaneously the linearity, the min. optical power and the required operating wavelength,

_OPare obtained.



3. 8 channel loading with 10% OMI and 40 km fiber length.

4. Receiver thermal noise 8 pA*Hz^-0.5, 0.5mA at Ith+40mA, photodiode responsivity ~1.1A/W, noise bandwidth 4.2 MHz

5. Forward band (FB=45-870 MHz): Eight channel CW measurement: channel frequencies set at 553.25, 559.25, 565.25,

571.25, 577.25, 583.25, 589.25, and 595.25 MHz. CTB measured at 553.25, 577.25, and 595.25 MHz. CSO measured at

42 MHz

6. Measured Wavelength = Operating wavelength with a tolerance of + 0.05 nm.

Electrical Schematics

Figure 1. 1751A Laser Schematic

Figure 2. 1751A Circuit Schematic

REV 2012.06

Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.

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