Charge pump based power amplifier envelope power supply and bias power supply

C Levesque, WD Southcombe, DE Jones… - US Patent …, 2013‏ - Google Patents
2011-11-18 Assigned to RF MICRO DEVICES, INC. reassignment RF MICRO DEVICES,
INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS) …

PA envelope power supply undershoot compensation

H Honjo, B Baxter, S Williams, RZ Arkiszewski… - US Patent …, 2014‏ - Google Patents
2012-03-09 Assigned to RF MICRO DEVICES, INC. reassignment RF MICRO DEVICES,
INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS) …

Hybrid DC/DC power converter with charge-pump and buck converter

C Levesque, D Zimlich, JC Berchtold - US Patent 8,854,019, 2014‏ - Google Patents
A hybrid Direct Current (DC) to DC converter is disclosed for efficiently converting an input
voltage from one level to another. In a preferred embodiment, a dual phase charge pump is …

Direct current (DC)-DC converter having a multi-stage output filter

C Levesque, WD Southcombe, DE Jones… - US Patent …, 2015‏ - Google Patents
2013-06-06 Assigned to RF MICRO DEVICES, INC. reassignment RF MICRO DEVICES,
INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS) …

Cascaded converged power amplifier

DE Jones - US Patent 8,942,651, 2015‏ - Google Patents
A first radio frequency (RF) power amplifier (PA) stage, a second RF PA stage, and an alpha
RF switch are disclosed. The first RF PA stage provides a first RF output signal. During a first …

Envelope power supply calibration of a multi-mode radio frequency power amplifier

B Baxter, J Millard, RZ Arkiszewski, S Selby - US Patent 9,197,182, 2015‏ - Google Patents
US9197182B2 - Envelope power supply calibration of a multi-mode radio frequency power
amplifier - Google Patents US9197182B2 - Envelope power supply calibration of a multi-mode …

Snubber for a direct current (DC)-DC converter

JC Berchtold, C Levesque, WD Southcombe… - US Patent …, 2015‏ - Google Patents
2013-07-09 Assigned to RF MICRO DEVICES, INC. reassignment RF MICRO DEVICES,
INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS) …

DC-DC converter current sensing

JC Berchtold, JH Colles, DE Jones… - US Patent …, 2013‏ - Google Patents
2011-11-04 Assigned to RF MICRO DEVICES, INC. reassignment RF MICRO DEVICES,
INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS) …

High efficiency path based power amplifier circuitry

DE Jones, WD Tattershall - US Patent 9,077,405, 2015‏ - Google Patents
A first transmit path, a second transmit path, and a third transmit path are disclosed. The first
transmit path includes a first radio frequency (RF) power amplifier (PA) and alpha switching …

Voltage multiplier charge pump buck

C Levesque, D Zimlich, JC Berchtold - US Patent 8,947,157, 2015‏ - Google Patents
US8947157B2 - Voltage multiplier charge pump buck - Google Patents US8947157B2 -
Voltage multiplier charge pump buck - Google Patents Voltage multiplier charge pump buck …