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US 11,290,064 B2Granted
Amplifier
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorFenghao Mu
Life of this patent
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Abstract
An amplifier for a receiver circuit is disclosed. The amplifier has an input node (Vin) and an output node (Vout). It comprises a tunable tank circuit connected to the output node (Vout), a feedback circuit path connected between the output node (Vout) and the input node (Vin), and a tunable capacitor connected between an internal node of the feedback circuit path and a reference-voltage node. A receiver circuit and a communication apparatus is disclosed as well.
Claims18
An amplifier for a receiver circuit, the amplifier having an input node (Vin) and an output node (Vout), comprising:
- a tank circuit coupled to the output node (Vout);
- a circuit path comprising first and second nodes and a third node situated between the first and second nodes, wherein the circuit path is coupled between the output node (Vout) and the input node (Vin);
- and
- a tunable capacitor coupled between the third node of the circuit path and a reference-voltage node,
- wherein the coupled circuit path is a passive circuit.
2 more elements
Dependencies are inferred from the claim text.