LXT386LE datasheet(57/78 Pages) INTEL

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QUAD T1/E1/J1 Transceiver — LXT386

Datasheet

Output power

levels2

@ 772 KHz

@ 1544 KHz

–

12.6

-29

–

17.9

dBm

T1.102 - 1993

Referenced to power at

772 KHz

Transmit return

loss 1

51kHz to 102 kHz

102 kHz to 2.048 MHz

2.048 MHz to 3.072 MHz

–

With transmit series

resistors (TVCC=5V).

Using components in the

LXD384 evaluation

board.

Transmit path delay

Bipolar mode

U.I.

JA Disabled

Unipolar mode

U.I.

Table 40. T1 Receive Transmission Characteristics

Parameter

Sym

Min

Typ

Max

Unit

Test Condition

Permissible cable attenuation

––

–

@ 772 KHz

Receiver dynamic range

0.5

––

Signal to noise interference margin

S/I

-16.5

––

@ 655 ft. of 22 ABAM cable

Data decision threshold

SRE

Rel. to peak input voltage

Data slicer threshold

––

150

–

Loss of signal threshold

––

200

–

LOS hysteresis

––

–

Consecutive zeros before loss of signal

–

100

175

250

–

T1.231 - 1993

LOS reset

–

12.5%

––

–

1’s density

Low limit

input jitter

tolerance 1

0.1Hz to 1Hz

4.9Hz to 300Hz

10KHz to 100KHz

138

0.4

U.I.

AT&T Pub. 62411

Differential receiver input impedance

Ω

@772 kHz

Input termination resistor tolerance

±1

Common mode input impedance to ground

Ω

Input return

loss1

51 KHz - 102 KHz

102 - 2048 KHz

2048 KHz - 3072 KHz

Measured against nominal

impedance. Using

components in the LXD384

evaluation board.

LOS delay time

µs

Data recovery mode

LOS reset

255

Data recovery mode

Receive intrinsic jitter, RCLK output1

0.035

0.0625

U.I.

Wide band jitter

Receive

path delay

Bipolar mode

U.I.

JA Disabled

Unipolar mode

U.I.

1. Guaranteed by design and other correlation methods.

Table 39. T1 Transmit Transmission Characteristics (Continued)

Parameter

Sym

Min

Typ

Max

Unit

Test Condition

1. Guaranteed by design and other correlation methods.

2. Power measured in a 3 KHz bandwidth at the point the signal arrives at the distribution frame for an all 1’s pattern.

LXT386LE Datasheet(PDF) 57 Page - Intel Corporation

LXT386LE Datasheet(HTML) 57 Page - Intel Corporation

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