Chip Attenuators

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Chip Attenuators

Powerfilm chip attenuators from API Inmet come in two varieties: "Temperature Stable" (standard) and "Temperature Variable" attenuators. The standard attenuators reduce the RF power uniformly at all temperatures while the temperature-variable chips are designed to reduce their attenuation at elevated temperatures to provide optimal response needed in signal- leveling applications.

Chip attenuators are used in amplifier circuits, receivers, up/down converters, phase-matched arrays, and switching applications. Depending on desired specifications, chips are fabricated on BeO, Aluminum Nitride, or Alumina ceramics with either thin or thick resistors.

The attenuators are available with 1-30 dB values for frequencies up to 18 GHz and power levels up to 20 Watts average. Chips are available in wide selection of sizes from 0608 (.060"x.075") to 5050 (.50"x.500") and with various terminal finish options. Other designs, values and options may be available upon request.

 

Temperature Variable Attenuators

Powerfilm temperature-variable chip attenuators are designed to reduce their attenuation at elevated temperatures to provide optimal response needed in signal-leveling applications. TCA chips are fabricated on Alumina ceramics with proprietary thick resistors. The attenuators are available with 1-10 dB values for frequencies up to 12 GHz and power levels up to 2 Watts. Temperature-variable attenuators are fabricated using the 1215 case size (.120" x .150") and with various wraps and terminal finish options. Other designs, values and options may be available upon request.

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