Systems and methods for positive and negative feedback of cascode transistors for a power amplifier

The positive and negative feedback system and a power amplifier having a positive and negative feedback method of the cascode transistor is disclosed. The power amplifier system includes a first cascode stage having a common source device and the first common gate device; A second cascode stage having a common source device and the second common gate device; Wherein a first negative feedback block or element that is provided to the common source device; A second negative feedback element is provided to the second common source device; First positive feedback block or element to connect the second drain of the first gate and the second common source devices of the first common source device; And it may include a second positive feedback block element connecting the first drain of the first gate and the first common source device of the second common source device.