The disclosure relates to an electronic circuit for reducing leakage of radio frequency signals from a power amplifier of a wireless communication device is provided. The circuit comprises: a printed circuit board (PCB) having the power amplifier mounted on the PCB; a first electrical track in the PCB providing part of a connection from a low band power input terminal of the power amplifier to a battery terminal; a first capacitor connected to the first electrical track, the low band power input terminal and a ground reference in the PCB; a second capacitor connected in parallel to the first capacitor and connected to the first electrical track, the low band power input terminal and the ground reference; a first high filter choke having a first end connected to the first electrical track and a second end connected to the battery terminal; a second electrical track connected to a low band power input terminal of the power amplifier; and a second high filter choke a having a first end connected to the second electrical track and a second end connected to the battery terminal.