Features: · Fully integrated eight channel long-haul or shorthaul transceivers for E1,T1 or J1 applications· Adaptive Receive Equalizer for up to 36dB cable attenuation· Programable Transmit Pulse Shaper for E1,T1 or J1 short-haul interfaces· Five fixed transmit pulse settings for T1 short-haul ap...
XRT83L38: Features: · Fully integrated eight channel long-haul or shorthaul transceivers for E1,T1 or J1 applications· Adaptive Receive Equalizer for up to 36dB cable attenuation· Programable Transmit Pulse S...
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Specifications | |
No. ofCH | 8 |
DataRate(s) | T1/E1/J1 |
Clk Rec | Yes |
SH/LH | S/L |
Temp.Range | Ind. |
OpPwr Sup/Max Cur | 3.3V ±5%, TBD |
Pkgs | TQFP-208 |
Product Highlights
The XRT83L38 devices support a single bill-of-material for all T1/E1/J1 implementations, as well as all international (North America, Europe, or Japan) line impedances at 75, 100, 110, and 120-ohms, so that manufacturers can build hardware in advance and software configure the product for the particular application at the time of shipment. The family includes tri-state capability on both transmit and receive paths and matched impedance between the primary and back up receive paths. The tri-state capability can eliminate the need for relays in redundancy implementations. XRT83L38 also allows a back up receive channel to be simultaneously brought on-line in the event of a board power failure. A low jitter, on-chip frequency multiplier provides the necessary clocks to the chip. The master clock that feeds the multiplier can be T1, E1, or lower rates that are frequently available on a board such as 8, 16, 56, 64, 128, and 256kHz.