Power divider and radio-frequency transceiver system

摘要

A radio-frequency transceiver system comprises a radio-frequency processing unit, a transmitting microwave network and a receiving microwave network, wherein the transmitting microwave network comprises a transmitting power divider for distributing main power of transmitting signals to two central sub-array antennas of four sub-array antennas, and the receiving microwave network comprises a receiving power divider for providing power mainly from a first input terminal and a second input terminal for a receiving route, and providing power mainly from the second input terminal and a third input terminal for another receiving route.

主权项

1. A power divider, for transmitting a signal of an input terminal to a first output terminal, a second output terminal, a third output terminal, and a fourth output terminal, the power divider comprising:
a first connecting wire, comprising a first terminal and a second terminal; a second connecting wire, comprising a first terminal and a second terminal; a first ring-shaped transmission unit, comprising a first ground element and a first ring-shaped conductive circle surrounding the first ground element, wherein a first terminal of the first ring-shaped conductive circle is electrically connected to the input terminal, a second terminal of the first ring-shaped conductive circle is electrically connected to the first terminal of the first connecting wire, and a third terminal of the first ring-shaped conductive circle is electrically connected to the first terminal of the second connecting wire, wherein a width of the first ring-shaped conductive circle is substantially equal to a first value; a second ring-shaped transmission unit, comprising a second ground element and a second ring-shaped conductive circle surrounding the second ground element, wherein a first terminal of the second ring-shaped conductive circle is electrically connected to the second terminal of the first connecting wire, a second terminal of the second ring-shaped conductive circle is electrically connected to the first output terminal, and a third terminal of the second ring-shaped conductive circle is electrically connected to the second output terminal, wherein the second ring-shaped conductive circle comprises a plurality of segments each with a length substantially equal to a quarter wavelength of the signal, and the plurality of segments are substantially divided into a plurality of groups according to widths of the segments; and a third ring-shaped transmission unit, comprising a third ground element and a third ring-shaped conductive circle surrounding the third ground element, wherein a first terminal of the third ring-shaped conductive circle is electrically connected to the second terminal of the second connecting wire, a second terminal of the third ring-shaped conductive circle is electrically connected to the fourth output terminal, and a third terminal of the second ring-shaped conductive circle is electrically connected to the third output terminal, wherein the third ring-shaped conductive circle comprises a plurality of segments each with a length substantially equal to a quarter wavelength of the signal, and the plurality of segments are substantially divided into a plurality of groups according to widths of the segments.