Phased array apparatus and communication device

A chip module, comprising a chip and a package substrate, wherein the chip is fastened to the package substrate, the chip comprises a phased array apparatus, and the package substrate comprises an antenna array having a plurality of antenna elements, and wherein the phased array apparatus comprises:

• a plurality of receiving channels, coupled to a plurality of antenna elements in an antenna array, wherein each of the plurality of receiving channels comprises a transconductance stage circuit, the transconductance stage circuit comprises a first transconductance unit array and a second transconductance unit array, and an input end of the first transconductance unit array and an input end of the second transconductance unit array in each receiving channel are coupled to an antenna element corresponding to the receiving channel, wherein the first transconductance unit array or the second transconductance unit array comprises a transconductance stage, and the transconductance stage comprises a first metal oxide semiconductor (MOS) transistor and a second MOS transistor, wherein a gate of the first MOS transistor and a gate of the second MOS transistor each is used as an input end of the transconductance stage, a source of the first MOS transistor and a source of the second MOS transistor are coupled to a first node, and a drain of the first MOS transistor and a drain of the second MOS transistor each is used as an output end of the transconductance stage;
• a quadrature frequency-mixing circuit, wherein a non-inverting input end and a quadrature input end of the quadrature frequency-mixing circuit are respectively coupled to an output end of the first transconductance unit array in the plurality of receiving channels and an output end of the second transconductance unit array in the plurality of receiving channels;
• and
• a signal processing circuit, wherein an input end of the signal processing circuit is coupled to an output end of the quadrature frequency-mixing circuit.

A communication device, wherein the communication device comprises a phased array apparatus, and wherein the apparatus comprises:

• a plurality of receiving channels, coupled to a plurality of antenna elements in an antenna array, wherein each of the plurality of receiving channels comprises a transconductance stage circuit, the transconductance stage circuit comprises a first transconductance unit array and a second transconductance unit array, and an input end of the first transconductance unit array and an input end of the second transconductance unit array in each receiving channel are coupled to an antenna element corresponding to the receiving channel, wherein the first transconductance unit array or the second transconductance unit array comprises a transconductance stage, and the transconductance stage comprises a first metal oxide semiconductor (MOS) transistor and a second MOS transistor, wherein a gate of the first MOS transistor and a gate of the second MOS transistor each is used as an input end of the transconductance stage, a source of the first MOS transistor and a source of the second MOS transistor are coupled to a first node, and a drain of the first MOS transistor and a drain of the second MOS transistor each is used as an output end of the transconductance stage;
• a quadrature frequency-mixing circuit, wherein a non-inverting input end and a quadrature input end of the quadrature frequency-mixing circuit are respectively coupled to an output end of the first transconductance unit array in the plurality of receiving channels and an output end of the second transconductance unit array in the plurality of receiving channels;
• and
• a signal processing circuit, wherein an input end of the signal processing circuit is coupled to an output end of the quadrature frequency-mixing circuit.