Radio frequency amplifier and tuner

摘要

A radio frequency amplifier includes first and second transconductance stages 20, 21, the product of whose transconductances is negative. The input and output of the first stage form the input and output of the amplifier. The output of the first stage is provided with a load 22 whereas the output of the second stage 21 is provided with a load 23 and is fed back to the input of the first stage.