US 11,757,412 B2
Control of envelope tracker PMIC
Ilan Sutskover, Hadera M (IL); Eran Segev, Tel Aviv TA (IL); Stephan Henzler, Munich (DE); and Alexander Belitzer, Munich (DE)
Assigned to Intel Corporation, Santa Clara, CA (US)
Filed by Intel Corporation, Santa Clara, CA (US)
Filed on Aug. 11, 2020, as Appl. No. 16/989,958.
Application 16/989,958 is a continuation of application No. 16/387,986, filed on Apr. 18, 2019, granted, now 10,749,476.
Application 16/387,986 is a continuation of application No. 15/866,951, filed on Jan. 10, 2018, granted, now 10,291,184, issued on May 14, 2019.
Prior Publication US 2021/0058036 A1, Feb. 25, 2021
Int. Cl. H03F 1/30 (2006.01); H03F 1/02 (2006.01); H03F 1/34 (2006.01); H03F 3/24 (2006.01); H04W 76/27 (2018.01); H03F 3/195 (2006.01); H03F 3/189 (2006.01); H03K 23/00 (2006.01)
CPC H03F 1/0222 (2013.01) [H03F 1/025 (2013.01); H03F 1/34 (2013.01); H03F 3/195 (2013.01); H03F 3/24 (2013.01); H03F 3/245 (2013.01); H04W 76/27 (2018.02); H03F 3/189 (2013.01); H03F 2200/102 (2013.01); H03F 2200/504 (2013.01); H03F 2200/507 (2013.01); H03F 2200/511 (2013.01); H03F 2200/546 (2013.01); H03K 23/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A tracker circuit configured to provide a variable supply voltage to a power amplifier (PA) circuit comprising:
a state machine circuit comprising a plurality of states, wherein the plurality of states of the state machine circuit identify operational modes associated with the tracker circuit, wherein each operational mode comprises one or more voltage levels respectively associated therewith; and
wherein a transition between the operational modes of the tracker circuit is controlled by a digital selection signal received from a digital communication interface,
wherein the plurality of states of the state machine circuit are mapped in accordance with a transition between the operational modes of the tracker circuit.