Patent ID: 6166604
Filing Date: 2000-12-26
Classification: H03F

Abstract:
A semiconductor amplifier comprising:a non-linear amplifying element for amplifying an input signal to output the amplified signal; anda characteristic improving circuit provided on an input side of said non-linear amplifying element and including a passive element and an FET having its source electrode and its drain electrode both grounded to have a passing gain characteristic and passing phase characteristic opposite to a passing gain characteristic and passing phase characteristic of said non-linear amplifying element,wherein the passive element in said characteristic improving circuit includes,a capacitor having its one end connected to an input signal line to said non-linear amplifying element,a resistor having its one end connected to the other end of the capacitor, andan inductor having its one end connected to the other end of the resistor and the other end connected to a gate electrode of the FET.