Optical Variable Attenuator

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1. Overview

Application

TC3303 handheld attenuator is designed to continuously and variably attenuate
the optical signal.

The main application of this unit is for the laser system online test, so it is applicable
for the PDH, SDH which include the communication instrument, and CATV system.

Function and Features

With built in neutral density filter, VOA attenuate the optical signal through the
rotating dial on the keypad . The attenuation range is from 2.5-60dB.

Type	TC3303 Handheld Variable Attenuator
Wavelength Range	1260~1650nm
Applicable Fiber	9/125um SM
Connector	FC/ PC
Calibration Wavelength	1310/1490/1550/1625nm
Attenuation Range	2.5~60dB
Resolution	0.05dB
Min Insertion Loss	(2.5dB
Linearity	± 0.5 dB
Repeatability	± 0.2 dB
Overall Attenuation Acuracy	± 0.8 dB
Back Refletion	) 35 dB (typical value : 40 dB)
Max Acceptable Input	+20 dBm
Rechargeable Battery	7.4V
Power Adapter	7~8.5V
Working Temperature	0~40℃
Storage Temperature	-10~60℃
Humidity	0~85%
Weight	200g

2. Specification

3.
Standard Accessories

1. Main Unit--------------------------------------------------------------------------1

2. Manual----------------------------------------------------------------------------1

3. Rechargeable Battery (7.4v) -------------------------------------------------1

4. Power Adapter (8.5v) -----------------------------------------------------------1

5. Recharger------------------------------------------------------------------------1

6. Cotton Swab---------------------------------------------------------------------1