Infineon Technologies PEB22504
Quad Line Interface Unit
FEATURES
● High-density generic interface for all E1/T1/J1 applications● Quad analog receive and transmit circuitry for longand short-haul applications
● Clock and data recovery using an integrated digital phase-locked loop
● Programmable transmit pulse shapes for E1, T1 and J1 signals P-TQFP-100-3 CMOS
● Maximum line attenuation up to -36 dB at 1024 kHz (E1) and up to -36 dB at 772 kHz (T1/J1)
● Noise- and crosstalk-filter, line attenuation status
● Programmable Line Build-Out for CSU signals according to ANSI T1.403 and FCC68 0dB, -7.5dB, -15dB, -22.5 dB
● Low transmitter output impedances for high transmit return loss
● Tristate function of the analog transmit line outputs
● Transmit line monitor protecting the device from damage
● Jitter specifications of ITU-T I.431 , G.703 , G.736, G.823, ETS 300011, TBR12/13 and AT&T TR62411 met
● Tolerates more than 0.4 UI high frequency input jitter
● Crystal-less wander and jitter attenuation/compensation
● Flexible master clock frequency in...