US 12,381,519 B2
Broadband low noise amplifier using multiple cascode stages
Johannes Jacobus Emile Maria Hageraats, Kamuela, HI (US); Junhyung Lee, Irvine, CA (US); and Rimal Deep Singh, Irvine, CA (US)
Assigned to SKYWORKS SOLUTIONS, INC., Irvine, CA (US)
Filed by SKYWORKS SOLUTIONS, INC., Irvine, CA (US)
Filed on Jul. 27, 2022, as Appl. No. 17/815,319.
Claims priority of provisional application 63/226,251, filed on Jul. 28, 2021.
Prior Publication US 2023/0030709 A1, Feb. 2, 2023
Int. Cl. H03F 3/19 (2006.01); H03F 1/56 (2006.01); H04B 1/40 (2015.01)
CPC H03F 3/19 (2013.01) [H03F 1/56 (2013.01); H04B 1/40 (2013.01); H03F 2200/294 (2013.01); H03F 2200/387 (2013.01); H03F 2200/451 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A wireless device comprising:
a module input to receive an input signal;
a module output to provide an amplified output signal;
a low-noise amplifier including
an input amplification stage coupled to the module input, and
a plurality of output amplification stages switchably coupled to the input amplification stage;
a plurality of impedance-matching circuits, each impedance-matching circuit of the plurality of impedance-matching circuits having an input coupled to a respective output amplification stage and an output coupled to the module output; and
a signal switching device having an input coupled to the plurality of output amplification stages and to receive at least one signal from the plurality of output amplification stages, the at least one signal including the amplified output signal, the signal switching device further having an output coupled to the module output and configured to provide the amplified output signal of the at least one signal received at the input of the signal switching device to the module output.