VXA Variable Optical Attenuators

VXA Variable Optical Attenuators Sercalo Microtechnology
  • SW10566
Sercalo Microtechnology's VXA series of miniature MEMS variable optical attenuators (VOAs) has... more
Product information "VXA Variable Optical Attenuators"

Sercalo Microtechnology's VXA series of miniature MEMS variable optical attenuators (VOAs) has been discuntinued by the supplier. For replacement and new projects, please refer to the mVOA series of ultra-small or VXP1 series of miniature MEMS variable optical attenuators (VOAs).

MEMS-based, Pigtail Style, Transmission Mode; Single/Dual Types; Fiber Type SMF28; 1240 to 1640 nm; Attenuation up to 30 dB

Sercalo Microtechnology's VXA series of miniature MEMS variable optical attenuators (VOAs) is ideal for fiber optic communication systems and submodules. The non-latching attenuators work in transmission mode and allow for the continuous adjustment of the attenuation with a 0 to 5 V control voltage. The highly reliable attenuation mechanism is based on a micromechanical shutter – a silicon MEMS chip, on which a mirror can be moved in and out of the optical path by electrostatic actuation – and features below 2 ms response time and below 1 dB insertion loss.

The VXA variable optical attenuators are composed of an optical subsystem and an electrical driver interface. VXA series is available in single (VXA1) and dual (VXA2) variants and normally open or normally closed designs. The plastic package is one of the smallest in the industry and optimized for low cost production while maintaining high reliability comparable to a solid-state device. The component is designed to meet Telcordia 1221 quality standards.

The standard VXA attenuator achieves minimum insertion loss at 0 V input voltage. The VXAxOF variant is normally closed, i.e. at 0 V the attenuation is maximum and is reduced with increasing input voltage.

Key Features:

  • Small Size (23 x 10 x 6 mm)
  • Low PDL
  • Very Fast
  • 0 to 5 V Control
  • Single or Dual Channel

Applications: Power Management in DWDM Transceivers; Amplifier Gain Control; Optical Subsystems; Array Integration

Product Group: Variable Optical Attenuators
Manufacturer Series Name: VXA
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