High- and low-pass network circuit with integrated amplitude-phase regulation and control method thereof

A high- and low-pass network circuit with integrated amplitude-phase modulation, comprising:

• a high- and low-pass network phase-shift unit circuit;
• a first amplitude modulation unit subcircuit;
• a second amplitude modulation unit subcircuit;
• a third amplitude modulation unit subcircuit;
• and
• a fourth amplitude modulation unit subcircuit;
• wherein the high- and low-pass network phase-shift unit circuit comprises a high-pass network subcircuit and a low-pass network subcircuit;
• a first end of the high-pass network subcircuit is connected to a first end of the low-pass network subcircuit through a first phase modulation switch transistor and a second phase modulation switch transistor, and a second end of the high-pass network subcircuit is connected to a second end of the low-pass network subcircuit through a third phase modulation switch transistor and a fourth phase modulation switch transistor;
• a body end of the first phase modulation switch transistor is connected to a body end of the third phase modulation switch transistor sequentially through the first amplitude modulation unit subcircuit and the second amplitude modulation unit subcircuit;
• a body end of the second phase modulation switch transistor is connected to a body end of the fourth phase modulation switch transistor through the third amplitude modulation unit subcircuit and the fourth amplitude modulation unit subcircuit;
• and
• each of the first amplitude modulation unit subcircuit, the second amplitude modulation unit subcircuit, the third amplitude modulation unit subcircuit and the fourth amplitude modulation unit subcircuit comprises an amplitude modulation switch transistor and a resistor connected in parallel.