Antenna module and electronic device using the same

A portable communication device comprising:

• a processor positioned in a first printed circuit board;
• an antenna module comprising a second printed circuit board which has a first array antenna and a second array antenna positioned on a first surface thereof, and a transmission-reception circuit and a reception circuit positioned on a second surface thereof, which is different from the first surface;
• and
• a communication circuit configured to electrically connect the processor and the antenna module,
• wherein the transmission-reception circuit is positioned on a first path which electrically connects a plurality of first antenna elements forming the first array antenna,
• wherein the communication circuit comprises power amplifiers configured to amplify signals to be transmitted through the plurality of first antenna elements, and first low noise amplifiers configured to amplify signals received through the plurality of first antenna elements,
• wherein the reception circuit is positioned on a second path which electrically connects a plurality of second antenna elements forming the second array antenna,
• wherein the communication circuit further comprises second low noise amplifiers configured to amplify signals received through the plurality of second antenna elements, and
• wherein the power amplifiers and the first low noise amplifiers form a plurality of pairs, and the plurality of pairs are matched with the plurality of first antenna elements, and the second low noise amplifiers are matched with the plurality of second antenna elements.

An antenna module comprising:

• a printed circuit board;
• a first antenna and a second antenna positioned in the printed circuit board;
• a transmission-reception circuit positioned in the printed circuit board, the transmission-reception circuit comprising a power amplifier for amplifying a signal to be transmitted through the first antenna, and a first low noise amplifier for amplifying a signal received through the first antenna, the power amplifier forming a portion of a transmission path electrically connected with a communication circuit and the first antenna, the first low noise amplifier forming a portion of a first reception path electrically connected with the communication circuit and the first antenna, wherein the transmission path or the first reception path in the transmission-reception circuit is selectively provided by the communication circuit;
• and
• a reception circuit positioned in the printed circuit board, wherein the reception circuit does not comprise a power amplifier for amplifying a signal to be transmitted through the second antenna, and comprises a second low noise amplifier for amplifying a signal received through the second antenna, the second low noise amplifier forming a portion of a second reception path electrically connected with the communication circuit and the second antenna.