US 12,244,270 B2
Current mode multi-input maximum signal detector
Marcus Granger-Jones, Scotts Valley, CA (US)
Assigned to Qorvo US, Inc., Greensboro, NC (US)
Filed by Qorvo US, Inc., Greensboro, NC (US)
Filed on Jan. 14, 2022, as Appl. No. 17/576,306.
Prior Publication US 2023/0231521 A1, Jul. 20, 2023
Int. Cl. H03F 1/02 (2006.01); H03F 3/24 (2006.01)
CPC H03F 1/0227 (2013.01) [H03F 3/245 (2013.01); H03F 2200/102 (2013.01); H03F 2200/462 (2013.01); H03F 2200/474 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A maximum current detection circuit comprising:
a first current port;
a second current port;
a maximum current port;
a first current mirror circuit comprising:
a first input coupled to the first current port;
a first mirror input coupled to the second current port; and
a first mirror output coupled to the maximum current port; and
a second current mirror circuit comprising:
a second input coupled to the second current port;
a second mirror input coupled to the first current port; and
a second mirror output coupled to the maximum current port.