Salah - ddine Krit

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This paper presents a single chip class D amplifier with two selectable gains 6 dB & 9 dB, 1.4 W output power and 86% efficiency with an 8 ohm load. This chip uses a frequencies trim-able ramp generator. Input clock frequency range with 250 kHz - 550 kHz and 8 bits trim, 4 bits (LSB) to trim the ramp amplitude to vdd/5 peak-to-peak, 4 bits (MSB) to(More)
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