[go: up one dir, main page]

Chen et al., 2020 - Google Patents

An open loop digitally controlled hybrid supply modulator achieving high efficiency for envelope tracking with baseband up to 200-MHz

Chen et al., 2020

Document ID
2685104084289370560
Author
Chen Z
Xia Q
Dong L
Fan S
Han K
Guo Z
Xue Z
Geng L
Publication year
Publication venue
IEEE Transactions on Circuits and Systems I: Regular Papers

External Links

Snippet

Envelope tracking (ET) is an effective way to improve the efficiency of power amplifier (PA) for 5G communication systems. To understand the restriction of the hybrid supply modulator (HSM) for ultra-wide band ET applications, an extended power loss model and a Short Time …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2176—Class E amplifiers
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High frequency amplifiers, e.g. radio frequency amplifiers
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making or -braking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making or -braking characterised by the components used
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making or -braking
    • H03K17/04—Modifications for accelerating switching
    • H03K17/041—Modifications for accelerating switching without feedback from the output circuit to the control circuit
    • H03K17/0412—Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the control circuit
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/30—Technical effects
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers

Similar Documents

Publication Publication Date Title
Chen et al. An open loop digitally controlled hybrid supply modulator achieving high efficiency for envelope tracking with baseband up to 200-MHz
Florian et al. Envelope tracking of an RF high power amplifier with an 8-level digitally controlled GaN-on-Si supply modulator
Wu et al. A two-phase switching hybrid supply modulator for RF power amplifiers with 9% efficiency improvement
Hung et al. Design of high-efficiency current-mode class-D amplifiers for wireless handsets
García et al. An overview of fast DC–DC converters for envelope amplifier in RF transmitters
US20060217087A1 (en) Radio frequency power amplifier and method using an amplitude control system
Miaja et al. Buck-derived converters based on gallium nitride devices for envelope tracking applications
He et al. A 2.5-W 40-MHz-bandwidth hybrid supply modulator with 91% peak efficiency, 3-V output swing, and 4-mV output ripple at 3.6-V supply
Høyerby et al. A $2\times 70$ W Monolithic Five-Level Class-D Audio Power Amplifier in 180 nm BCD
Nakatani et al. Digitally-controlled polar transmitter using a watt-class current-mode class-D CMOS power amplifier and Guanella reverse balun for handset applications
Bhardwaj et al. A review of hybrid supply modulators in CMOS technologies for envelope tracking PAs
Hertel et al. Integrated very-high-frequency switch mode power supplies: Design considerations
Liu et al. Linear regulator design considerations of the serial linear-assisted switching converter used as envelope amplifier
Wang et al. A highly integrated tri-path hybrid buck converter with reduced inductor current and self-balanced flying capacitor voltage
Lin et al. A CMOS envelope tracking supply converter for RF power amplifiers of 5G NR mobile terminals
US9281788B2 (en) All digital zero-voltage switching
Liu et al. Design techniques for high-efficiency envelope-tracking supply modulator for 5th generation communication
Bootsman et al. High-power digital transmitters for wireless infrastructure applications (a feasibility study)
Liu et al. High bandwidth series-form switch-linear hybrid envelope tracking power supply with reduced bandwidth envelope and step-wave edge adjustment methods
Mu et al. Floating-domain integrated GaN driver techniques for DC–DC converters: A review
Rodriguez et al. Pulsewidth modulated three-level buck converter based on stacking switch-cells for high power envelope tracking applications
Lazarević et al. System linearity-based characterization of high-frequency multilevel dc–dc converters for S-band EER transmitters
Wang et al. A dual-branch series-parallel hybrid buck dc-dc converter with flying capacitor voltage auto-balancing
Huang et al. An energy recycling envelope tracking supply modulator assisted by small cap replica with 89.7% efficiency and 37% reduced linear amplifier current for 150 MHz bandwidth 5G new radio RF applications
Wei et al. Push-Pull Class-${\rm E} _ {\rm M} $ Power Amplifier for Low Harmonic-Contents and High Output-Power Applications