US 11,817,829 B2
Multi-mode broadband low noise amplifier
Aravind Kumar Padyana, Irvine, CA (US); Rimal Deep Singh, Irvine, CA (US); Junhyung Lee, Irvine, CA (US); and Bipul Agarwal, Irvine, CA (US)
Assigned to Skyworks Solutions, Inc., Irvine, CA (US)
Filed by Skyworks Solutions, Inc., Irvine, CA (US)
Filed on Oct. 28, 2021, as Appl. No. 17/452,631.
Claims priority of provisional application 63/199,879, filed on Jan. 29, 2021.
Prior Publication US 2022/0247364 A1, Aug. 4, 2022
Int. Cl. H03F 3/189 (2006.01); H04B 1/16 (2006.01)
CPC H03F 3/189 (2013.01) [H04B 1/16 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A low noise amplifier comprising:
an input configured to receive a radio frequency receive signal;
a first amplification stage including a plurality of selectable gain transistors; and
a second amplification stage having a lower gain than the first amplification stage, the low noise amplifier operable in a first gain mode in which the first amplification stage and the second amplification stage operate in a cascade to amplify the radio frequency receive signal, and a second gain mode in which the first amplification stage amplifies the radio frequency receive signal and the second amplification stage is bypassed, a chosen combination of the selectable gain transistors different for the first gain mode and the second gain mode.