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Tag Archives: attenuators

Variable DAS Attenuators

Designed for Distributed Antenna Systems, the Model RSA-3550D SMA-R Variable Step Attenuators are available from Trilithic.  With a frequency range of DC to 3 GHz, 50 dB of attenuation in 1 dB steps, the attenuators enable DAS RF power levels to be appropriately adjusted for the DAS head-end equipment. These ruggedized infrastructure attenuators deliver attenuation accuracy: DC to 1 GHz: ± 0.25 dB, 1 to 2 GHz: ± 0.35 dB, 2 to 3 GHz: ± 0.5 dB; insertion loss: DC to 1 GHz: 0.6 dB, 1 to 2 GHz: 1.0 dB, 2 to 3 GHz: 1.5 dB; VSWR: DC to 1 GHz: 1.3:1 max., 1 to 2 GHz: 1.4:1 max., 2 to 3 GHz: 1.5:1 max.; with average power: 2 Watts to 25º C ambient temperature and 1 kW peak power (5 usec pulse width; 0.5% duty cycle), RoHS Compliant, SMA Female connectors; contact factory for pricing. rfmicrowave.trilithic.com

Continuously Variable Attenuator

Trilithic has released the CVA Series of continuously variable attenuators available in octave bands over the frequency range of 1 to 18 GHz. The CVA Series is currently available with 0 to 8 dB attenuation range over 1 to 2 GHz and 0 to 20 dB attenuation range over 2 to 4 GHz, 4 to 8 GHz, 8 to 12.4 GHz, and 12.4 to 18 GHz. Trilithic’s CVA attenuators feature a turns-counting dial with locking level. The non-translating dial is not direct reading in dB. Insertion loss of 1 to 2 GHz: 0.5 dB; 2 to 4 GHz: 0.5 dB; 4 to 8 GHz: 0.75 dB; 8 to 12.4 GHz: 0.75 dB; 12.4 to 18 GHz:  0.75 dB. Other features include 50 Ohm impedance, average power: 5 Watts, SMA female connectors, panel mount configuration, and RoHS compliance. rfmicrowave.trilithic.com