SPECIFICATIONS FOR STAR and TREE COUPLERS, WIDE BAND

Configuration

N×4/N

=1,2,4

N×5/N

=1

N×6/N

=1,2

N×8/N

=1,2,8

N×16/N

=1,2,16

N×32/N

=1,2

Parameter

A

B

A

B

A

B

A

B

A

B

A

B

Operating Wavelength(nm)

(1310 or 1550) ±40

Maximum Insertion

Loss (dB)

7.2

7.6

8.5

9.0

9.4

10

10.7

11.7

14.4

15.5

18.5

19.5

Max Uniformity(dB)

1.0

1.4

1.4

1.8

1.6

2.0

2.0

3.0

2.5

3.5

3.5

4.0

Polarization Sensitivity(dB)

0.3

0.3

0.4

0.5

0.6

0.8

Temp. Sensitivity(dB/℃)

0.003

0.003

0.003

0.004

0.005

0.006

Operating Temp. (℃)

-40 to +70

Storage Temp. (℃)

-40 to +85*

Directivity (dB)

≧55

Package Dimension (mm)

P1

P2

P2

P2,U1

P2,U1,U2

U1,U2

P1=100(L) × 80(W) × 12(H) , P2=140(L) × 90(W) × 11.5(H)

U1= 482(L) × 256(W) × 44(H) , U2=482(L) × 256(W) × 88(H)

Values are referenced without connector(s)