The MITEQ 2–18GHz attenuator is a high-performance, digitally controlled step attenuator featuring fast switching and precise attenuation control, designed for use in a wide range of RF and microwave communication systems. This series offers several key advantages, including ultra-fast response, accurate attenuation adjustment, and compact packaging, enabling it to meet the stringent requirements of modern RF systems.

　　Available models include DA14-25, DA24-15, DA34-7, DA64-63B, DA74-81, DA84-64, DA13-25, DA26-15, DA36-7, and DA66-63, covering the full frequency range from 2 to 18 GHz. These models exhibit low insertion loss, hermetic sealing, and optional standardized designs, allowing users to select the most suitable configuration based on specific application needs.

　　Compared to traditional voltage-variable attenuators (VVAs), the MITEQ attenuator employs a digital-controlled attenuator (DCA) architecture that enables highly accurate and repeatable attenuation levels through discrete digital steps. The DCA achieves switching speeds 10 to 20 times faster than VVAs by utilizing cascaded SP2T PIN diode switches configured for zero-insertion-loss paths. This design ensures monotonic and predictable attenuation performance across the operational bandwidth, effectively eliminating the nonlinearities and calibration drift commonly associated with VVAs.

　　Although DCA-based designs typically entail higher manufacturing costs, increased insertion loss, and potential video leakage, the MITEQ attenuator integrates built-in video filtering to mitigate such issues and comply with strict leakage specifications. Furthermore, the minimum achievable attenuation level is approximately 0.5 dB, reflecting a high degree of precision in amplitude control.

　　Optimized for operation across the 2–18 GHz band, the MITEQ attenuator supports reverse logic control and is well-suited for plug-in module applications. All models are equipped with standard RF connectors to facilitate ease of integration and field operation. Performance parameters—including frequency range, maximum attenuation, insertion loss, and VSWR—are summarized in the accompanying data table, providing users with comprehensive information for informed model selection.

MITEQ, established in 1969, is a leading global manufacturer in the radio frequency (RF) and microwave technology sector. Renowned for its exceptional performance and reliability, MITEQ's products have been widely deployed in critical applications across aerospace, defense, and test and measurement industries worldwide. In 2015, MITEQ became part of Narda Microwave Corporation, a U.S.-based company, which enabled further advancements in its core technologies. The company currently offers a comprehensive product portfolio, including directional couplers, power dividers/combiners, mixers, frequency doublers, 3 dB hybrid couplers, phase shifters, oscillators, frequency synthesizers, programmable attenuators, cryogenic amplifiers, and logarithmic detector amplifiers.

Core Innovations Trade Limited is the authorized agent for MITEQ products.If you need to know more about and purchase MITEQ products, you can consult CORE customer service or fill out the RFQ.