RADIO-FREQUENCY POWER ADDER/DIVIDER Russian patent published in 1999 - IPC

FIELD: devices preventing input current unbalance due to load variations. SUBSTANCE: device has input terminal, first and second output terminals, first microstrip line connected to input terminal, second microstrip line vertically connected to first microstrip line, first capacitor connected between midpoint of second microstrip line and ground terminal, first inductance coil one of whose leads is connected to one end of second microstrip line , second inductance coil one of whose leads is connected to other end of second microstrip line, second capacitor connected between other lead of first inductance coil and other end of second inductance coil, third microstrip line connected between other lead of first inductance coil and first output terminal, fourth microstrip line connected between other lead of second inductance coil and second output terminal, as well as resistor connected in parallel with second capacitor. EFFECT: reduced size of power amplifier using this device. 6 cl, 4 dwg