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1. US20160020738 - Diversity amp module and apparatus comprising the same

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[ EN ]

Claims

1. An amplifying module having one input terminal and one output terminal and providing a signal path for an antenna signal input via the input terminal and output via the output terminal, comprising:
a first switch electrically connected to the input terminal;
a plurality of filters selectable for electrical connection by the first switch;
a plurality of amplifiers electrically connected to the plurality of filters, respectively, and each one amplifier is configured to amplify a signal output by a respective one of the plurality of filters;
a second switch that is electrically connected to the output terminal and that selectively electrically connects to one of the plurality of amplifiers to provide a path for the amplified signal to the output terminal; and
a bypass path that bypasses the plurality of amplifiers and selectable by the first switch to provide a bypass for the antenna signal from the first switch to the second switch without amplification by one of the plurality of amplifiers.
2. The amplifying module of claim 1, wherein the first switch and second switch interwork with each other.
3. The amplifying module of claim 1, wherein the output terminal is connected to a front end module (FEM) through a single path.
4. The amplifying module of claim 1, further comprising, a Low Noise Amplifier (LNA) arranged in the bypass path between the first switch and the second switch.
5. The amplifying module of claim 1, wherein the bypass path provides a path for the antenna signal from the first switch to the output terminal via the second switch and to a front end module (FEM) connected to the output terminal.
6. The amplifying module of claim 1, wherein at least one amplifier of the plurality of amplifiers comprises a low noise amplifier (LNA).
7. The amplifying module of claim 1, wherein each of the filters passes a signal of a frequency band corresponding to at least one band of a long-term evolution (LTE) network.
8. An electronic device comprising:
a first antenna and a second antenna;
a first front end module (FEM) and a first transceiver connected to the first antenna;
a second FEM and a second transceiver connected to the second antenna;
at least one processor connected to the first transceiver and the second transceiver; and
an amplifying module disposed between the second antenna and the second FEM,
wherein the amplifying module is electrically connected to the second transceiver through a single path.
9. The electronic device of claim 8, wherein the amplifying module comprises:
a first switch connected to the second antenna;
a plurality of filters selectable by the first switch;
a plurality of amplifiers respectively connected to the plurality of filters and amplifying a signal passing through the filters; and
a second switch for connecting the amplified signal to the single path.
10. The electronic device of claim 9, wherein the at least one processor controls operation of the first switch and the second switch so that the first switch and the second switch interwork with each other.
11. The electronic device of claim 9, wherein the at least one processor controls operation of the first switch, the second switch and another switch included in the second FEM so that the first switch, the second switch and the another switch included in the second FEM interwork with each other.
12. The electronic device of claim 9, wherein the plurality of filters comprise filters for passing signals corresponding to different frequency bands respectively.
13. The electronic device of claim 9, wherein the amplifying module further comprises a bypass path to the second FEM for signals of the second antenna, and
wherein a signal corresponding to at least a portion of frequency bands, among the signals of the second antenna is provided to the second FEM for filtering via the bypass path.
14. The electronic device according to claim 8, wherein the amplifying module comprises a Diversity LAN Module (DLM).
15. The electronic device of claim 8, wherein the first antenna operates as a main antenna, and the second antenna operates as a diversity antenna.
16. The electronic device of claim 8,
wherein the first antenna, the first FEM, and the first transceiver are arranged on a first printed circuit board (PCB),
wherein the second antenna, the amplifying module, the second FEM, and the second transceiver are arranged on a second PCB, and
wherein the first PCB is electrically connected to the second PCB.
17. The electronic device of claim 16, wherein the at least one processor is disposed on the second PCB.