Results for the Polarization Dependent Gain (PDGI of an Erbium-Doped Fiber Amplifier. aimed to ca ble television distribution networks (CATV). are described. PDG measurements are done by switching the state of polar ization ofthe launched signal between two orthogonal states. for several wavelengths and signal input powers. The ob tained results show that the amplifier has very low PDG.OJ)279 ± 0.0012 dB.