Specification :

Our company according to the developing optical communications designs the FVA digital optical attenuator. This handheld variable attenuator enables consistent operation in manual testing situations, such as BER testing and acceptance, power meter calibration and certification, optical margin analysis loss simulation, as well as field, manufacturing and R&D applications.

Features:
±0.1dB attenuation Resolution
0~60dB variable attenuation
Higher than 50dB return loss
Three kinds of attenuation stride elected: 10dB, 1.0dB, 0.1dB

Main Specifications:
Optical Specifications FVA-50D FVA-60D

Wavelength (nm) 1310/ 1550 1310/1550

Attenuation range (dB) 0~50 (without insert loss) 0~60(without insert loss)
Accuracy d±0.1dB (0dB~20dB); d±0.2dB(20dB~50dB) d±0.1dB (0dB~20dB); d±0.2dB(20dB~60dB)
Resolution 0.1dB
Insert loss