| 主权项 |
1. A low-noise amplifier circuit comprising:
a first transistor NMOS and a second transistor NMOS, each transistor having a source terminal, a gate terminal and a drain terminal; and a third transistor NMOS and a fourth transistor NMOS, each transistor having a source terminal, a gate terminal and a drain terminal;wherein:
the source of the second transistor is coupled to the drain terminal of the first transistor, and the source of the third transistor is coupled to the drain terminal of the fourth transistor; and the gate terminal of the first transistor has a first capacitive coupling to the source terminal of the fourth transistor and the gate terminal of the fourth transistor has a second capacitive coupling to the source terminal of the first transistor;wherein the low-noise amplifier circuit further comprises a fifth transistor PMOS and a sixth transistor PMOS, each transistor having a source terminal, a gate terminal and a drain terminal wherein:
the drain of the fifth transistor is coupled to the drain terminal of the second transistor, and the drain of the sixth transistor is coupled to the drain terminal of the third transistor; the source terminal of the fifth transistor has a third capacitive coupling to the source terminal of the first transistor; the gate terminal of the fifth transistor has a fourth capacitive coupling to at least the source terminal of the sixth transistor or the source terminal of the fourth transistor; the gate terminal of the sixth transistor has a fifth capacitive coupling to at least the source terminal of the fifth transistor or the source terminal of the first transistor; and the source terminal of the sixth transistor has a sixth capacitive coupling to the source terminal of the fourth transistor. |
