Peregrine Semiconductor makes various SOS products. Here's a random example, an RF digital attenuator: https://www.psemi.com/pdf/datasheets/pe43205ds.pdf https:

Peregrine Semiconductor makes various SOS products. Here's a random example, an RF digital attenuator: https://www.psemi.com/pdf/datasheets/pe43205ds.pdf https://www.psemi.com/pdf/datasheets/pe43205ds.pdf