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pro vyhledávání: '"Pio Balmelli"'
Autor:
Vitor Pereira, John M. Khoury, Richard Gale Beale, Jeffrey D. Alderson, Paulo Santos, Pio Balmelli, Eduardo Viegas
Publikováno v:
IEEE Journal of Solid-State Circuits. 48:1771-1782
A 3-W audio class-D amplifier compatible with AM/FM radio while requiring minimal external filtering is presented. The amplifier uses driver slew rate control to reduce electromagnetic interference (EMI) in the FM band and digital modulation to sprea
Publikováno v:
CICC
Signal dependent propagation delay and supply modulation are among the major sources of performance deterioration in class D amplifiers. More so in the case where the control of the common-mode EMI of a Class D amplifier utilizes DSP-based signal spr
Autor:
Qiuting Huang, Pio Balmelli
Publikováno v:
2004 IEEE International Solid-State Circuits Conference (IEEE Cat. No.04CH37519).
The design of a fifth-order 4-b quantizer single-loop ΣΔ modulator is presented that achieves 25-MS/s conversion rate with 84 dB of dynamic range and 82 dB of signal-to-noise ratio. Implemented in a 0.18-μm CMOS technology, the 0.95-mm 2 chip has
Conference
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