FFC-CFS datasheet(3/4 Pages) JDSU

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FUSED COUPLER, SINGLE WINDOW

Insertion Loss

Coupling Ratio

Attenuation

Grade

Signal Path

Tap Path (or Attenuator Path)

Insertion Loss (Min./Max.)

20 dB

NA/0.2 dB

17.4/21.5 dB

20 dB

NA/0.3 dB

15/22 dB

17 dB

NA/0.2 dB

16.4/19 dB

17 dB

NA/0.3 dB

15.3/18.2 dB

15 dB

NA/0.3 dB

14.5/17.5 dB

15 dB

NA/0.4 dB

12.8/19.5 dB

13 dB

NA/0.4 dB

11.8/14.6 dB

13 dB

NA/0.5 dB

10.6/18.9 dB

10%

10 dB

0.4/0.6 dB

9.6/10.8 dB

10%

10 dB

0.3/0.8 dB

8.3/12 dB

20%

7 dB

0.9/1.2 dB

6.5/7.4 dB

20%

7 dB

0.8/1.3 dB

6.2/8 dB

30%

5.2 dB

1.4/1.8 dB

4.9/5.6 dB

30%

5.2 dB

1.3/2 dB

4.5/6.1 dB

33%

4.8 dB

1.6/2.1 dB

4.4/5.2 dB

33%

4.8 dB

1.4/2.3 dB

4/5.7 dB

40%

4 dB

2/2.5 dB

3.7/4.4 dB

40%

4 dB

1.8/2.8 dB

3.3/4.8 dB

50%

3 dB

2.7/3.4 dB

50%

3 dB

2.6/3.6 dB

Specifications

Parameter (50/50 coupling ratio)

Grade 1

Grade 2

Center wavelength

1310, 1480, 1550, 1590 nm

Insertion loss (without connectors)

Maximum

3.4 dB

3.6 dB

Excess loss (without connectors)

Typical

0.1 dB

0.3 dB

Uniformity

Maximum

0.6 dB

1.0 dB

Polarization dependent loss

Maximum

0.1 dB

0.15 dB

Optical return loss

Minimum

50 dB

Directivity

Minimum

55 dB

Temperature coefficient

Typical

0.002 dB/°C

Package dimensions

S package (D x L)

3.0 x 54 mm

L package (D x L)

3.6 x 70 mm

H package (L x W x H)

85 x 17.8 x 7.5 mm

Operating temperature 1

-40 to 85 °C

Storage temperature 1

-50 to 85 °C

20 to 70 °C for 3.0 mm cable

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