1 1 vote In the two port network shown in the figure below, $z_{12}$ and $z_{21}$ are, respectively $r_e$ and $\beta r_o$ $0$ and $-\beta r_o$ $0,$ and $\beta r_o$ $r_e$ and $-\beta r_o$ Network Solution Methods gate2006-ec circuit-analysis two-port-network bjt-and-mosfet-amplifiers + – admin 317 views answer comment Share Follow Add Sync Questions Print 0 reply Please log in or register to add a comment.