Power detection circuit having temperature compensation function, and radio-frequency front-end module comprising power detection circuit

A power detection circuit having a temperature compensation function, comprising at least one stage of power detection unit and an integrated unit, an input end of the integrated unit is connected to an output end of the power detection unit;

• wherein
• the power detection unit comprises a first heterojunction bipolar transistor (HBT), a second HBT, a first capacitor, a second capacitor, a third capacitor, a first resistor, a second resistor, and a seventh resistor which is a thermistor;
• a signal input end of the power detection circuit is connected to a first end of the first capacitor, a second end of the first capacitor is connected to a first end of the first resistor and a collector of the first HBT, a second end of the first resistor is connected to a base of the first HBT, an emitter of the first HBT is connected to a reference ground end;
• the collector of the first HBT is connected to a bias voltage end via the seventh resistor, and is connected to a base of the second HBT via the second resistor;
• an emitter of the second HBT is connected to the reference ground end, and a collector of the second HBT is connected to the input end of the integrated unit;
• and
• a first end of the second capacitor is connected to the first end of the first resistor, and a second end of the second capacitor is connected to the emitter of the first HBT;
• and a first end of the third capacitor is connected to the second resistor, and a second end of the third capacitor is connected to the emitter of the second HBT.