An ADSL-RT full-rate analog frontend IC with integrated line driver
2001
An analog front-end IC with integrated line driver for an ADSL system is presented. The IC contains all analog functions including gain-controlled transmit- and receive-amplifiers, highly linear continuous-time low pass filters including on-chip automatic tuning, 14 bit ADC and DAC as well as a digitally controlled crystal oscillator. The IC has been fabricated in a mixed-signal 0.6 µm DPTM BiCMOS technology with a chip area of 29mm 2 and a power consumption of only 800mW, using 3.3V supply for all blocks except 12V supply for the line driver.
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