1933R-A-DI-A-SA-05-B 参数 Datasheet PDF下载

1933 F/R/W Coaxial DFB Laser Diode

1310 nm, Wide Bandwidth 5 MHz – 4000 MHz

DATASHEET | AUGUST 2012

FIBER OPTICS

Electrical/Optical Characteristics

(continued)

Parameters

Tracking Error

Optical Isolation, T

case

= 25ºC

Spectral Width (-20 dB)

Side Mode Suppression Ratio

Optical Return Loss

Symbol

ΔPf

ISO



SMSR

ORL

Conditions/Notes

I

MON

= const

ER = 10log(P

O

/2.0) [dB]

Double Isolator

I

op

I

op

T

case

= 25ºC

Min

-1

45

-

30

35

Typ

-

-

0.1

45

-

Max

+1

-

1.0

-

-

Unit

dB

dB

nm

dB

dB

1. Referenced to base of TO header.

Forward Path RF Characteristics

1933F Performance Parameter

Frequency Response Flatness

Response Up-tilt

1

2,3,4

2,3,4

1

Symbol

|S

21

|

Conditions/Notes

5 MHz - 1002 MHz

5 MHz - 1002 MHz

Min

-

-1

51

-

-

-

-

Typ

-

Max

1

3

Unit

dB

p-p

dB

dB

dBc

Carrier-to-Noise Ratio

CNR

Standard Linearity

Enhanced Linearity

CSO

I

op

I

op

T

case

= 25ºC

I

op

T

case

= 25ºC

-

-

-

-

-

-

-57

-60

-65

-68

Composite Second Order

Composite Triple Beat

2,3,4

Standard Linearity

Enhanced Linearity

CTB

dBc

1. I

op

, T

case

= 25C. Test with the laser Input pin matched to a 50 system.

2. 3.7% OMI, 79 NTSC unmodulated carriers (50 MHz to 550 MHz). 10 km fiber.

3. Received power = 0 dBm.

4. I

op

, T

case

= 25C. Test with the laser Input pin matched to a 75 system.

Return Path RF Characteristics

1933R Performance Parameters

Frequency Response Flatness

Second Order Distortion

Standard Linearity

Enhanced Linearity

2

2

1

Symbol

|S

21

|

Conditions/Notes

5 MHz - 200 MHz

P

F

= 3 dBm, OMI = 10% each

2-tone test: f1=7MHz, f2=56MHz

20 km of fiber

(7.5 dB total loss with connector) f1 + f2

P

F

= 3 dBm, OMI = 10% each

2-tone test: f1=7MHz, f2=56MHz

20 km of fiber

(7.5 dB total loss with connector) 2f2-f1

Min

-

Typ

-

Max

1

Unit

dB

p-p

DSO

-

-

-

-

-52

-58

dBc

Third Order Distortion

Standard Linearity

Enhanced Linearity

DTB

-

-

-

-

-63

-65

dBc

1. I

op

, T

case

= 25C. Test with the laser Input pin matched to a 50 system.

2. I

op

, T

case

= 25C. Test with laser input pin matched to a 75 system.

| REV 2012.08

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.