PE43650 from pSemi
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The PE43650 is a high linearity, 5-bit RF Digital Step Attenuator (DSA). This highly versatile pSemi 50 Ohm DSA covers a 15.5 dB attenuation range in 0.5 dB steps and provides multiple CMOS control interfaces. It maintains high attenuation accuracy over frequency and temperature and exhibits very low insertion loss and low power consumption. Performance does not change with VDD due to an on-board regulator. It is available in a 4x4 mm 24-lead QFN package.