nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqxu3ulqp53akdgpr63w3k884uc90m5wsc2ca7x60c30hgf8h0twfqdwd5pv anritsu has a series of devices that use transmission lines with varactor diodes to speed up the slew rate of a slow input waveform:
https://www.anritsu.com/en-us/test-measurement/techn...