US 12,149,211 B2
Wireless receiver
An-Hsun Lo, Hsin-Chu (TW); Wen-Sheng Chen, Hsin-Chu (TW); En-Hsiang Yeh, Hsin-Chu (TW); and Tzu-Jin Yeh, Hsinchu (TW)
Assigned to Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu (TW)
Filed by Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu (TW)
Filed on Aug. 8, 2022, as Appl. No. 17/883,580.
Application 17/883,580 is a continuation of application No. 17/063,171, filed on Oct. 5, 2020, granted, now 11,456,710.
Application 17/063,171 is a continuation of application No. 15/344,133, filed on Nov. 4, 2016, granted, now 10,797,655.
Prior Publication US 2022/0385251 A1, Dec. 1, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H03F 3/45 (2006.01); H03F 1/34 (2006.01); H03F 1/56 (2006.01); H03F 3/193 (2006.01)
CPC H03F 1/342 (2013.01) [H03F 1/565 (2013.01); H03F 3/193 (2013.01); H03F 3/45179 (2013.01); H03F 3/45264 (2013.01); H03F 3/45475 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01); H03F 2203/45018 (2013.01); H03F 2203/45306 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A low noise amplifier (LNA), comprising:
a first transistor configured to provide a first transconductance; and
a second transistor configured to provide a second transconductance; and
a common-mode feedback circuit (CMFC) coupled to respective drains of the first and second transistors, wherein the common-mode feedback circuit comprises:
an amplifier;
a first resistor having a first end coupled to a first input of the amplifier and a second end, opposite the first end, coupled to the drain of the first transistor, wherein an output of the amplifier is coupled to respective gates of the first and second transistors; and
a second resistor having a third end coupled to the first input of the amplifier and a fourth end, opposite the third end, coupled to the drain of the second transistor.