Steel tube FBT splitter

Inquery

A^-A⁺

Description Inquery

Features

Low insertion loss and low PDL
High reliability& High stability
RoHS compliant

Applications

EDFA
CATV Passive network WAN
FTTH

Compliance

Telecordia GR-1221/1209
IEC
TIA/EIA

Description

We use fused biconical taper technique to build a series of couplers. According to the different operating bandwidths, we have wide band couplers,dual window couplers, three-window couplers,and so on.

Parameter		Unit	Value
Type			Wind Band Coupler（WBC）		Wind Band Coupler（WBC）
Grade			P	A	P	A
Operating wavelength(nm)			1310 or 1550		1550
Operating bandwidth			1310±40 or 1550±40		C Band(1525~1566)
Insertion loss	50/50	dB	≤3.4	≤3.6	≤3.4	≤3.6
	40/60	dB	≤4.4/2.6	≤4.7/2.8	≤4.4/2.6	≤4.7/2.8
	30/70	dB	≤5.7/1.9	≤6.0/2.0	≤5.7/1.9	≤6.0/2.0
	20/80	dB	≤7.6/1.25	≤8.0/1.3	≤7.6/1.25	≤8.0/1.3
	10/90	dB	≤11.0/0.65	≤11.5/0.8	≤11.0/0.65	≤11.5/0.8
	5/95	dB	≤14.20 /0.4	≤14.8/0.5	≤14.20 /0.4	≤14.8/0.5
	3/97	dB	≤16.7/0.3	≤17.2/0.4	≤16.7/0.3	≤17.2/0.4
	2/98	dB	≤18.5/0.25	≤19.0/0.35	≤18.5/0.25	≤19.0/0.35
	1/99	dB	≤21.5/0.2	≤22.0/0.3	≤21.5/0.2	≤22.0/0.3
Polarization Dependent Loss		dB	≤0.10	≤0.15	≤0.10	≤0.15
Wavelength Dependent Loss		dB	≤0.3
Temperature Dependent Loss		dB	≤0.2
Directivity		dB	≥55
Return Loss		dB	≥55
Operating temperature		℃	-40~+85
Storage temperature		℃	-40~+85

Notes：

① The above specification is without connectors.

②.Add an additional 0.20dB loss per connector.

Parameter		Unit	Value
Type			Dual-Window Coupler（DWC）		Three-Window Coupler（TWC）
Grade			P	A	P	A
Operating wavelength		nm	1310 and 1550		1310,1490 and 1550
Operating bandwidth			1310/1550±40		1310/1550±40 and 1490±10
Insertion loss	50/50	dB	≤3.6	≤3.8	≤3.6	≤3.8
	40/60	dB	≤4.7/2.7	≤4.9/2.9	≤4.7/2.7	≤4.9/2.9
	30/70	dB	≤6.0/1.9	≤6.3/2.1	≤6.0/1.9	≤6.3/2.1
	20/80	dB	≤7.9/1.3	≤8.4/1.4	≤7.9/1.3	≤8.4/1.4
	10/90	dB	≤9.20~11.00/0.75	≤8.80~11.40/0.8	≤9.20~11.00/0.75	≤8.80~11.40/0.8
	5/95	dB	≤12.05~14.20 /0.4	≤11.55~14.65/0.5	≤12.05~14.20 /0.4	≤11.55~14.65/0.5
	3/97	dB	≤14.10~16.50/0.35	≤13.60~17.05/0.45	≤14.10~16.50/0.35	≤13.60~17.05/0.45
	2/98	dB	≤15.60~18.55/0.3	≤15.00~19.20/0.4	≤15.60~18.55/0.3	≤15.00~19.20/0.4
	1/99	dB	≤18.45~21.70/0.25	≤17.80~22.40/0.35	≤18.45~21.70/0.25	≤17.80~22.40/0.35
Polarization Dependent Loss		dB	≤0.15	≤0.2	≤0.15	≤0.2
Temperature Dependent Loss		dB	≤0.2
Directivity		dB	≥55
Return Loss		dB	≥55
Operating Temperature		℃	-40~+85
Storage Temperature		℃	-40~+85

Notes：

① The above specification is without connectors.

②.Add an additional 0.20dB loss per connector.

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