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1. WO2020141022 - MULTIPLE RESONANCE NETWORK FOR AN AMPLIFIER

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[ EN ]

CLAIMS

1. Multiple resonance network (100), comprising :

a input terminal (101) and an output terminal (102),

at least one resonant circuit (200, 201, 103) including an inductance (103) connected between the input terminal (101) and the output terminal (102), and

a tuning circuit (104) connected in parallel to the inductance (103), wherein the tuning circuit (104) includes at least one reactive circuit and/or at least one resistive circuit.

2. Multiple resonance network (100) according to claim 1, wherein:

the tuning circuit (104) is configured to change an absolute value and/or a quality factor of one or more resonances of the multiple resonance network (100).

3. Multiple resonance network (100) according to claim 1 or 2, wherein:

the tuning circuit (104) includes at least one switchable or tunable reactive circuit and/or at least one switchable or variable resistor.

4. Multiple resonance network (100) according to one of the claims 1 to 3, wherein: the tuning circuit (104) includes a plurality of capacitors (400) and a plurality of switches (401) for selectively connecting or disconnecting each of the capacitors (400) in parallel to the inductance (103).

5. Multiple resonance network (100) according to one of the claims 1 to 4, wherein: the tuning circuit (104) includes a plurality of resistors (600) and a plurality of switches (601) for selectively connecting or disconnecting each of the resistors (600) in parallel to the inductance (103).

6. Multiple resonance network (100) according to claim 4 or 5, wherein:

the plurality of switches (401, 601) includes a plurality of integrated Metal-Oxide-Semiconductor, MOS, devices.

7. Multiple resonance network (100) according to one of the claims 1 to 6, configured to: receive, as an input, a current, particularly a RF current, and

provide, as an output, an RF voltage.

8. Multiple resonance network (100) according to one of the claims 1 to 6, wherein: the input terminal (101) is an input terminal of a first transistor (204), and

the output terminal (102) is a control terminal of a second transistor (205).

9. Multiple resonance network (100) according to claim 8, configured to:

receive, as an input, a voltage, particularly a RF voltage, at a control terminal of the first transistor (204), and

provide, as an output, a current, particularly RF current, flowing between an input terminal and an output terminal of the second transistor (205).

10. Multiple resonance network (100) according claim 8 or 9, wherein:

the resonant circuit includes the inductance (103), a first capacitor (200) and a second capacitor (201),

the first capacitor (200) is connected with one of its terminals between the inductance (103) and the input terminal of the first transistor (204) and with its other terminal to ground, and/or

the second capacitor (201) is connected with one of its terminals between the inductance (103) and the control terminal of the second transistor (205) and with its other terminal to ground.

11. Multiple resonance network (100) according to one of the claims 8 to 10, wherein: the first transistor (204) is directly connected with its input terminal to the inductance (103) and is connected with its output terminal to ground, and

the second transistor (205) is directly connected with its control terminal to the inductance (103) and is connected with its output terminal to ground.

12. Multiple resonance network (100) according to one of the claims 8 to 11, wherein: the first transistor (204) is connected with its input terminal to a further resonant circuit (202, 203), which particularly includes a resistor (202) and an inductance (203) connected in series.

13. Multiple resonance network (100) according to claim 12, wherein:

the first transistor (204) is connected through the further resonant circuit (202, 203) to a voltage supply, particularly a DC voltage supply.

14. Amplifier, particularly a broad-band amplifier, trans-impedance amplifier and/or driver amplifier, comprising a multiple resonance network (100) according to one of the claims 1 to 13.