18698371. POWER AMPLIFIER (Mitsubishi Electric Corporation)
POWER AMPLIFIER
Organization Name
Mitsubishi Electric Corporation
Inventor(s)
POWER AMPLIFIER
This abstract first appeared for US patent application 18698371 titled 'POWER AMPLIFIER
Original Abstract Submitted
A power amplifier according to the present disclosure includes a transistor; a main line connected to a drain of the transistor; a branch line which branches from the main line and is connected to a drain pad; and a drain bias circuit which is provided on the branch line, wherein the drain bias circuit has a first shunt capacitor which is connected to the branch line and a second shunt capacitor which is connected to the branch line between the first shunt capacitor and the drain pad, the first shunt capacitor is capacitive at an operating frequency of the transistor, the second shunt capacitor is inductive at the operating frequency, and the first shunt capacitor and the second shunt capacitor resonate at the operating frequency.