Low-Power T1/E1 Short-Haul Transceiver
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Description
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The LXT304A is a fully integrated low-power transceiver for both North American 1.544 Mbps (T1), and International 2.048 Mbps (E1) applications. It features a constant low output impedance transmitter allowing for high transmitter return loss in T1/E1 applications. Transmit pulse shapes (DSX-1 or E1) are selectable for various line lengths and cable types.
The LXT304A provides receive jitter attenuation starting at 3 Hz, and is microprocessor controllable through a serial interface.
It offers a variety of diagnostic features including transmit and receive monitoring. The device incorporates an onchip crystal oscillator, and also accepts digital clock inputs. It uses an advanced double-poly, double-metal CMOS process and requires only a single 5-volt power supply.
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