Sander Gierkink

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A PWM ADSL2+ line driver with 2.2MHz signal bandwidth is realized in a 3 metal, 2 poly 0.35µm CMOS process. A low 8.832MHz switching frequency is used with filtering in the feedback path to suppress aliasing. Signal processing and triangular wave generation are combined in the forward integrators. The driver delivers 100mW to a 100Ω line with an MTPR less(More)
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