Variable attenuator

Variable attenuator

The miniature variable attenuator now uses a captured O-ring sealed tuning screw to set attenuation level in the range 0 to 50 dB within 0.1 dB. The package sealing provides better environmental protection than previous models. The compact, 2-port component features tuning resolution of 0.05 dB over 0 to 20 dB, and 0.1 dB over 21 to 40 dB. Polarization-dependent loss is 0.005 dB typical, and typical insertion loss is 0.6 dB. The package measures 46 ¥ 13.5 ¥ 13.5 mm and suits panel or printed circuit-board mounting.

DiCon Fiberoptics Inc., Berkeley, CA