JAN06 (2/6)

Mitsubishi Electric Corporation reserves the right to make changes to the products or information contained herein

without notice. No liability is assumed as a result of their use or application.

MITSUBISHI CONFIDENTIAL

MITSUBISHI (OPTICAL DEVICES)

FU-48SDF-x30M5yF

1.3

μm DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL

ELECTRICAL/OPTICAL CHARACTERISTICS

(Tld=25°C, Tc=25°C, unless otherwise noted)

Limits

Parameter

Symbol

Condition

Min.

Typ.

Max.

Units

Threshold Current

Ith

CW

-

10

30

mA

Operating Current

Iop

CW

Please see

'Type vs. CATV performance'

mA

Operating Voltage

Vop

CW, If = Iop (Note1)

-

1.3

1.8

V

Output Power from

Fiber End

Pf

CW, If = Iop

Please see

'Type vs. CATV performance'

mW

Input impedance

Zin

If=Iop

-

25

-

Ω

Central Wavelength

λc

CW, If = Iop

1290

1310

1330

nm

Side Mode

Suppression Ratio

Sr

CW, If = Iop

30

35

-

dB

Cut-off Frequency

fc(-1.5dB)

If = Iop

3

4

-

GHz

Composite Second Order

CSO

-

-

-60

dBc

Composite Triple

Order

CTB

-

-

-65

dBc

Carrier to Noise Ratio

CNR

Please see

'Type vs. CATV performance'

dB

Optical Modulation Depth

m

NTSC 79channel loading

55.25MHz~745.25MHz

(6MHz spacing)

If = Iop (Note2)

3.0

3.5

5.0

%

f=55.25MHz

-

-160

-155

RIN (Note 3)

Nr

CW, If = Iop

f=547.25MHz

-

-160

-155

dB/Hz

Tracking Error(Note 4)

Er

Tc = -20~65°C, APC, ATC

-

0.3

0.5

dB

Differential Efficiency

η

If(average) = Iop

Please see

'Type vs. CATV performance'

mW/mA

Monitor Current

Imon

CW, If = Iop, Vrd = 5V

0.1

-

3

mA

Dark current( PD )

Id

Vrd = 5V

-

0.1

1

μA

Capacitance ( PD )

Ct

Vrd = 5V, f = 1MHz

-

10

20

pF

Isolation

Iso

Tc = 0 to 65°C

25

37

-

dB

Note1. If : LD forwad current

Note2. Detailed test condition:

Total loss includes the fiber loss. (Please see 'Type vs. performance'.)

Receiver responsively = 0.9A/W

Input equivalent noise current = 7pA(Hz)

1/2

Optical return loss of the connector should be greater than 40dB in order to get the specification performance.

Note3. Relative intensity noise does not include shot noise of receiver.

Note4. Er = MAX | 10*log(Pf/Pf(25°C))|

TYPE VS. CATV PERFORMANCE

(Tld=25°C, Tc=25°C Unless otherwise noted)

Iop[mA]

CNR[dB]

η[mW/mA]

Total loss[dB]

Type

Pf[mW]

Typ.

Max

Min

Min.

Typ.

Fiber length

FU-48SDF-x30M56F

2~4

35

80

49

0.03

0.10

5

5km

FU-48SDF-x30M57F

4~6

35

80

48

0.11

0.20

8.5

15km

FU-48SDF-x30M52F

6~8

40

70

49.5

0.15

0.23

8.5

15km

FU-48SDF-x30M53F

8~10

40

70

50

0.2

0.30

12

26.5km

FU-48SDF-x30M54F

10~12

45

70

50.5

0.2

0.30

12

26.5km