XRT83L30IV-F View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

XRT83L30IV-F

SINGLE-CHANNEL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

Exar Corporation 

XRT83L30

SINGLE-CHANNEL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

REV. 1.0.1

FIGURE 26. ITU G.703 PULSE TEMPLATE

269 ns

(244 + 25)

V = 100%

194 ns

(244 – 50)

Nominal pulse

50%

0%

244 ns

219 ns

(244 – 25)

488 ns

(244 + 244)

Note – V corresponds to the nominal peak value.

TABLE 45: TRANSMIT PULSE MASK SPECIFICATION

Test Load Impedance

75Ω Resistive (Coax)

120Ω Resistive (twisted Pair)

Nominal Peak Voltage of a Mark

2.37V

3.0V

Peak voltage of a Space (no Mark)

0 + 0.237V

0 + 0.3V

Nominal Pulse width

244ns

244ns

Ratio of Positive and Negative Pulses Imbalance

0.95 to 1.05

0.95 to 1.05

69

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