Amplifier module with multiple 90 degree hybrids

1. An amplifier module comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port; and

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids,

wherein the 90° hybrids are constructed from discrete elements or comprise microstrip lines.

2. The amplifier module according to claim 1 , wherein the circuit arrangement also has at least two duplexers which are interconnected in such a manner that the two output signals which the 90° hybrid connected to the transmission port outputs interfere constructively at the antenna port.

3. The amplifier module according to claim 2 , wherein the three terminals of each of the two duplexers are connected in each case to one of the three 90° hybrids.

4. The amplifier module according to claim 2 or 3 , wherein one of the two duplexers is connected to the 90° hybrid connected to the reception port and to the 90° hybrid connected to the transmission port in such a manner that the 90° hybrids in each case output an output signal phase shifted by the angle Φ 1 relative to their input signal to the duplexer,

wherein the other one of the two duplexers is connected to the 90° hybrid connected to the reception port and to the 90° hybrid connected to the transmission port in such a manner that the 90° hybrids in each case output an output signal phase shifted by the angle Φ 2 relative to their input signal to the duplexer,

wherein the amount of the difference of the two angles Φ 1 and Φ 2 is mainly 90°, and

wherein both duplexers are in each case connected to one of the outputs of the 90° hybrid connected to the antenna port.

5. The amplifier module according to claim 2 , wherein the duplexers are constructed of discrete elements or contain acoustic components.

6. The amplifier module according to claim 5 , wherein the duplexers comprise SAW duplexers, BAW duplexers or hybrid duplexers having both SAW transducers and BAW transducers.

7. The amplifier module according to claim 2 , wherein the duplexers have high-pass and low-pass filters.

8. The amplifier module according to claim 2 , wherein the duplexers have tunable elements.

9. The amplifier module according to claim 2 , wherein the duplexers or the 90° hybrids are integrated into a module substrate.

10. The amplifier module according to claim 9 , wherein the duplexers or the 90° hybrids are integrated into a multi-layered module substrate in the form of L-, C— and R-elements.

11. The amplifier module according to claim 2 , which has two amplifiers, wherein the first amplifier is interconnected in series between the 90° hybrid connected to the transmission port and the first duplexer, and

wherein the second amplifier is interconnected in series between the 90° hybrid connected to the transmission port and the second duplexer.

12. An amplifier module comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port; and

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids, and

wherein the amplifier module is designed for the LTE frequency band XI or the LTE frequency band VII.

13. An amplifier module, comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port; and

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids,

wherein one of the ports is a balanced port and has two mutually balanced terminals, and

wherein each of the two balanced terminals is connected to a 90° hybrid.

14. An amplifier module, comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port; and

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids, and

wherein at least one of the amplifiers or at least one 90° hybrid comprises a low-impedance output stage.

15. An amplifier module, comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port;

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid, and

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids; and

an impedance transformation network after one of the amplifiers or one of the 90° hybrids.

16. An amplifier module, comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port;

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids; and

an I/Q amplifier having 2 amplifier units and two 90° hybrids.

17. An amplifier module comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port;

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids;

a first impedance transformation network interconnected with a first output of a 90° hybrid; and

a second impedance transformation network interconnected with a second output of a 90° hybrid.

18. An amplifier module comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port;

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids;

a first amplifier unit interconnected between a first output of a 90° hybrid and a first impedance transformation network; and

a second amplifier unit interconnected between a second output of a 90° hybrid and a second impedance transformation network.

19. An amplifier module comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port;

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids; and

a voltage modulator for an amplifier or an amplifier unit.

20. An amplifier module comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port;

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids; and

a coupler for extracting a control signal for envelope tracking of the supply voltage of an amplifier or of an amplifier unit.

21. An amplifier module comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port;

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids; and

a detector for detecting the necessary supply voltage of an amplifier or of an amplifier unit.

22. An amplifier module comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port;

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids; and

a delay element in the signal path before an amplifier or an amplifier unit.

23. An amplifier module comprising:

at least one amplifier;

an antenna port;

a transmission port;

a reception port;

a circuit arrangement comprising at least three 90° hybrids which in each case divide an input signal into two output signals, the two output signals having a relative phase shift of 90° with respect to one another,

wherein the antenna port, the transmission port and the reception port are in each case connected to at least one 90° hybrid,

wherein at least one of the amplifiers is interconnected in series between the transmission port and one of the 90° hybrids;

circuit elements for supply voltage envelope tracking; and

a switch for deactivating the circuit elements for the supply voltage envelope tracking.