Abstract: | This paper describes a multiple octave ultrabroadband amplifier de- veloped using distributed circuit theory,CAD,and microstrip circuit technolo- gy.Its typical performances are as follows:f=2~18GHz,G_P≥30dB,△G_P≤ 3d3,F_n≤7dB,P_(-1)≥+10dB,VSWR≤2.5:1。 |