CWDM Filter

 

Introduction: CWDM Filter Channel XXXX Features: High Isolation Low Insertion Loss Comply with RoHS Comply with Telcordia GR-1209, GR-1221 Applications Local Area Networks FTTH Networks CATV Specifications:

Parameters		Unit	Specification
Center Wavelength		nm	1270/1290/..../1590/1610
			1271/1291/..../1591/1611
Channel Spacing		nm	20
Bandwidth @-0.5dB (Typical)		nm	≥13 (20nm channel spacing)
Pass Channel	Insertion Loss (Typical)	dB	≤0.8 (0.6)
	Isolation (Typical)		≥25 (30)
Reflect Channel	Insertion Loss (Typical)	dB	≤0.6 (0.4)
	Isolation (Typical)		≥12 (14)
Return Loss/Directivity (Typical)		dB	≥45/50 (50/55)
Polarization Dependent Loss		dB	≤0.1
Insertion Loss Temp. Sensitivity		dB/°C	≤0.005
Power Handling		mW	300
Operating Temperature		°C	-5~70

4th Digit Function 0 = 1 x 2 5th Digit Channel 0 = 1 x 2 6th Digit Channel Spacing 2 = 20nm 7th - 10th Digits Starting Wavelength XXXX 11th Digit Packaging Dimension (mm) 1 = 5.5 *32 12th Digit Fiber Type 1 = 250µm 13th Digit Fiber Length 1 = 1 meter 14th Digit Connector Type 0 = None

Notes:* Per ITU G.694.2; wavelength spacing = 20nm, 1270 - 1450 nm also available **Some vendors use these "codes," to describe the wavelengths. These codes are the middle digits of the wavelength-not "channel numbers."

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