Power detection circuit, power amplifier module and radio frequency front-end architecture
A power detection circuit and power amplifier technology, applied in the direction of measuring electricity, measuring electrical power, measuring electrical variables, etc., can solve the problems of low power coverage, inability to detect power, poor linearity of detected power and output voltage, etc., to achieve a wide range of power Detection function, improved linearity, effect of wide power range
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 Referring to the drawings, wherein like reference numerals represent like components, the principles of the present invention are exemplified when implemented in a suitable computing environment. The following description is based on illustrated specific embodiments of the invention, which should not be construed as limiting other specific embodiments of the invention not described in detail herein.
 refer to figure 1 and figure 2 , the power detection circuit 100 of the embodiment of the present invention includes an envelope amplifier circuit 11 and a plurality of current proportional amplification circuits 12 .
 Wherein, the input terminals of the plurality of current proportional amplifying circuits 12 are connected to the radio frequency input signal RFin, and the output terminals of the plurality of current proportional amplifying circuits 12 are connected in parallel to the input terminals of the envelope amplifier circuit 11, wherein at least t...
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