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US 2015/0318828 A1Published application
A quasi-broadband amplifier according to the doherty principle
AssigneeRohde & Schwarz GmbH & Co. KG
InventorsSebastian STEMPFL, Bernhard KAEHS, Uwe DALISDA, Lothar SCHENK
Life of this patent
Estimating the term…
Abstract
An amplifier comprises a first amplifier circuit, a second amplifier circuit, a hybrid-coupler circuit and a termination. The hybrid-coupler circuit comprises an output port and an isolation port. The termination in this context is connected to the isolation port of the hybrid-coupler circuit. The termination comprises a first switch, a first capacitor and a first inductance.
Claims16
An amplifier comprising:
- a first amplifier circuit, a second amplifier circuit, a hybrid-coupler circuit and a termination,
- wherein the hybrid-coupler circuit includes an output port and an isolation port,
- wherein the termination is connected to the isolation port of the hybrid-coupler circuit, and
- wherein the termination includes a first switch, a first capacitor and a first inductance.
1 more element
An amplifier comprising:
- a first amplifier circuit, a second amplifier circuit, a hybrid-coupler circuit and a termination,
- wherein the hybrid-coupler circuit includes an output port and an isolation port,
- wherein the termination is connected to the isolation port of the hybrid-coupler circuit,
- wherein the termination includes a first ohmic resistor and one or more of a first capacitor, and a first inductance, and
- wherein the first ohmic resistor and the one or more of the first capacitor and the first inductance are connected in series.
2 more elements
An amplifier comprising:
- a first amplifier circuit, a second amplifier circuit, a first hybrid-coupler circuit and a termination,
- wherein the first hybrid-coupler circuit provides includes an output port and an isolation port,
- wherein the termination is connected to the isolation port of the first hybrid-coupler circuit, and
- wherein the termination includes a second hybrid-coupler circuit.
1 more element
Dependencies are inferred from the claim text.