Whether now as pSemi or formerly as Peregrine Semiconductor, the company has shown that its UltraCMOS silicon-on-insulator (SOI) semiconductor technology is quite capable of excellent electrical performance well into the millimeter-wave (mmWave) frequency range. Its latest demonstration is the model PE43508 digital step attenuator (DSA), a monolithic IC with 6-b digital control of a 31.5-dB attenuation range in 0.5- and 1.0-dB steps
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