US 12,081,184 B1
Current-mode filter
Gurkanwal Singh Sahota, Rancho Santa Fe, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Mar. 23, 2023, as Appl. No. 18/188,981.
Int. Cl. H03K 5/125 (2006.01); H03F 3/45 (2006.01); H03H 11/02 (2006.01); H03K 5/1252 (2006.01); H04B 1/04 (2006.01)
CPC H03H 11/02 (2013.01) [H03F 3/45479 (2013.01); H03K 5/1252 (2013.01); H04B 1/0475 (2013.01)] 29 Claims
OG exemplary drawing
 
1. A filter circuit, comprising:
a current-mode amplifier comprising:
a first amplifier including an input and an output;
a first inverter including an input coupled to the output of the first amplifier and including an output coupled to a first feedback path, the first feedback path being coupled to a first input of the filter circuit; and
a second inverter including an input coupled to the output of the first amplifier.