Low-Voltage Electronic Ballast Based on Class E Oscillator

Krizhanovski, V.G.; Chernov, D.V.; Kazimierczuk, Marian K.

doi:10.1109/tpel.2007.896512

Cited by 24 publications

(6 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…2) Shunt capacitances and are the sum of the MOSFET body junction diode nonlinear capacitance and the external linear capacitance . The body junction diode nonlinear capacitances of the MOSFET are expressed as (4) where is the built-in potential, is the capacitance at , and is the grading coefficient of the diode junction [13], [26].…”

Section: A Assumptionsmentioning

confidence: 99%

See 1 more Smart Citation

Design of Class-E$_{\rm M}$ Oscillator With Second Harmonic Injection

Miyahara

Wei

Nagashima

et al. 2012

IEEE Trans. Circuits Syst. I

View full text Add to dashboard Cite

This paper presents the class-E oscillator with the second-harmonic injection current, along with its design procedure, design curves, and design example. In the proposed oscillator, the output frequency of the proposed oscillator is locked with the input frequency of the injection circuit. Additionally, the switch-voltage and switch-current waveforms in the main circuit achieve the class-E zero-voltage switching, zero-voltage-derivative switching, zero-current switching, and zero-current-derivative switching (ZVS/ZVDS/ZCS/ZCDS) conditions and the switch voltage waveform in the injection circuit satisfied the class-E ZVS/ZDS conditions. In the laboratory experiment, the oscillator achieved 92.0% power-conversion efficiency at 34.8 W output power and 1 MHz operating frequency. The experimental results agreed with the numerical predictions quantitatively, which denotes the validity of the design procedure.

show abstract

Section: A Assumptionsmentioning

confidence: 99%

“…Fig. 1(a) shows the circuit topology of the free-running class-E oscillator [1]- [4]. The class-E oscillator consists of the class-E amplifier [8]- [14] and feedback network , and .…”

Section: Introductionmentioning

confidence: 99%

Design of Class-E$_{\rm M}$ Oscillator With Second Harmonic Injection

Miyahara

Wei

Nagashima

et al. 2012

IEEE Trans. Circuits Syst. I

View full text Add to dashboard Cite

show abstract

“…In many industries h.f. power amplifiers and generators find applications in induction and dielectric heaters, plasma generators, electronic ballasts for fluorescent and HID lamps, energy harvesting circuits as well as resonant dc/dc converters [1][2][3][4][5][6][7][8][9][10]. Among possible solutions amplifiers and generators utilizing high-efficiency resonant switching Class DE and Class E amplifiers are particularly attractive.…”

Section: Introductionmentioning

confidence: 99%

“…However, in some applications a more complex resonant network in the generator is desirable to optimize its operation as it has been shown in a self-oscillating electronic ballast with a Class E amplifier [3].…”

Section: Introductionmentioning

confidence: 99%

A self-oscillating h.f. power generator with a Class E resonant amplifier

Mikolajewski¹

2013

Bulletin of the Polish Academy of Sciences: Technical Sciences

View full text Add to dashboard Cite

Self-oscillating h.f. power generators with a Class E amplifier are used as industrial high-efficiency h.f. power sources. In the paper a modification of the classic Class E generator by applying an additional capacitor in the matching and feedback circuit is presented. The proposed solution increases the degree of freedom in the generator design and can noticeably reduce its cost by eliminating the need for the use of high-value h.f. capacitors in the feedback loop divider. The self-oscillating Class E generator (150 W/6.78 MHz) with the proposed modification has been designed, built and its parameters were measured. Theoretical predictions were in a good agreement with experimental results. Moreover, the burst control method of the output power in the generator has also been presented.

show abstract

“…T HE INTEGRATED CIRCUIT (IC) version of the singletransistor Colpitts oscillator [1]- [19] is widely used in radio frequency (RF) applications [5]- [9], [17]- [19]. Oscillators are also commonly used in various applications of power electronics [2], [3], [14]- [16]. The circuit of a commondrain oscillator is shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

Loop Gain of the Common-Drain Colpitts Oscillator

Kazimierczuk¹,

Murthy-Bellur²

2010

International Journal of Electronics and Telecommunications

View full text Add to dashboard Cite

Loop Gain of the Common-Drain Colpitts OscillatorThis paper presents the derivations of the voltage transfer functions of the amplifier A, the feedback network β, and the loop gainTof the common-drain (CD) Colpitts oscillator, using the small-signal model of the CD Colpitts oscillator. The derivation of the characteristic equation of the CD Colpitts oscillator is presented. Using the characteristic equation, the equation for the oscillation frequency of the sinusoidal output voltage and the condition for steady-state oscillation are derived. The characteristic equation is used to obtain a plot of trajectories of the poles of the CD Colpitts oscillator by varying the MOSFET small-signal transconductancegm. The locations of the complex conjugate poles depicting starting and steady-state conditions for oscillations are also presented.

show abstract

Low-Voltage Electronic Ballast Based on Class E Oscillator

Cited by 24 publications

References 12 publications

Design of Class-E$_{\rm M}$ Oscillator With Second Harmonic Injection

Design of Class-E$_{\rm M}$ Oscillator With Second Harmonic Injection

A self-oscillating h.f. power generator with a Class E resonant amplifier

Loop Gain of the Common-Drain Colpitts Oscillator

Contact Info

Product

Resources

About