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Relay Controlled Programmable Attenuators

Relay Controlled Programmable Attenuators
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These new relay controlled programmable attenuators offer accurate and stable performance with very low harmonic distortion (IMD) and cover multiple RF frequency bands down to DC. They are popular for use in military and commercial satellite and ground communication systems, cable modem and cellular telephone testing, radar, telecommunications, and automatic test equipment (ATE). Six models cover broad frequency bands from DC to 2000 MHz with attenuation levels ranging from 0 to 127 dB. Depending on the model, attenuator designs have 6 to 8 relay bits with attenuation steps ranging from 0.25 to 64 dB for precise tuning capability. Typical performance includes low insertion loss ranging from 0.8 to 3.5 dB, attenuation accuracy of +/-0.5 dB, and input power up to 1W CW. For added convenience, models are offered in 50 and 75 ohm configurations and feature bidirectional performance capability.

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