(: Select enhancement/depletion (E/D) structure waist with high electron mobility transistor (PHEMT) technology, developed GaAs MMIC monolithic six-bit digital control attenuator, with accurate attenuation accuracy and high withstand efficiency , advanced linearity features, and integrated driver, making the input signal control lines reduced by half, greatly reducing the difficulty of system wiring. Products are processed by GaAsPHEMT standard technology lines.)
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