0 votes 0 votes To obtain very high input and output impedances in a feedback amplifier, the topolomostly used is voltage-series current-series voltage-shunt current-shunt Others gate1995-ec + – admin asked Sep 21, 2022 edited Dec 1, 2023 by makhdoom ghaya admin 46.4k points 40 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.