US 12,218,641 B2
Biased amplifier
Sudheer Prasad, Bangalore (IN)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed on Apr. 11, 2023, as Appl. No. 18/298,594.
Application 18/298,594 is a division of application No. 17/333,395, filed on May 28, 2021, granted, now 11,626,848.
Application 17/333,395 is a division of application No. 16/804,253, filed on Feb. 28, 2020, granted, now 11,025,216, issued on Jun. 1, 2021.
Application 16/804,253 is a division of application No. 15/912,477, filed on Mar. 5, 2018, granted, now 10,587,235, issued on Mar. 10, 2020.
Claims priority of application No. 201741036697 (IN), filed on Oct. 16, 2017.
Prior Publication US 2023/0275550 A1, Aug. 31, 2023
Int. Cl. H03F 3/45 (2006.01); H03F 3/16 (2006.01)
CPC H03F 3/45502 (2013.01) [H03F 3/45085 (2013.01); H03F 3/45089 (2013.01); H03F 3/45165 (2013.01); H03F 3/45264 (2013.01); H03F 3/45461 (2013.01); H03F 2200/12 (2013.01); H03F 2203/45342 (2013.01); H03F 2203/45354 (2013.01); H03F 2203/45392 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An amplifier, comprising:
a compensation circuit;
a first p-type metal oxide semiconductor field effect transistor (MOSFET) (PMOS) having a source terminal coupled to a first node, a gate terminal coupled to a second node, a drain terminal coupled to a fourth node, and a bulk connection coupled to the first node;
a second PMOS having a source terminal coupled to the first node, a gate terminal coupled to a third node, a drain terminal coupled to the compensation circuit at a fifth node, and a bulk connection coupled to the first node;
a first n-type MOSFET (NMOS) having a drain terminal coupled to the fourth node and a gate terminal coupled to a sixth node; and
a second NMOS having a drain terminal coupled to a source terminal of the first NMOS, a gate terminal coupled to the fourth node, and a source terminal coupled to a seventh node.