XRT83SL38IB datasheet(78/88 Pages) EXAR

78 / 88 page

XRT83SL38

OCTAL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

REV. 1.0.2

TABLE 44: T1 RECEIVER ELECTRICAL CHARACTERISTICS

VDD=3.3V±5%,

TA=-40° TO 85°C, UNLESS OTHERWISE SPECIFIED

PARAMETER

MIN.

TYP.

MAX.

UNIT

TEST CONDITIONS

Receiver loss of signal:

Number of consecutive zeros before

RLOS is set

Input signal level at RLOS

RLOS Clear

100

12.5

175

250

% ones

Cable attenuation @772KHz

ITU-G.775, ETSI 300 233

Input Impedance

Jitter Tolerance:

1Hz

10kHz - 100kHz

138

0.4

UIpp

AT&T Pub 62411

Recovered Clock Jitter

Transfer Corner Frequency

Peaking Amplitude

9.8

0.1

KHz

TR-TSY-000499

Jitter Attenuator Corner Fre-

quency

(-3dB curve)

-Hz

AT&T Pub 62411

Return Loss:

51kHz - 102kHz

102kHz - 2048kHz

2048kHz - 3072kHz

TABLE 45: E1 TRANSMIT RETURN LOSS REQUIREMENT

FREQUENCY

RETURN LOSS

G.703/CH-PTT

ETS 300166

51-102kHz

8dB

6dB

102-2048kHz

14dB

8dB

2048-3072kHz

10dB

8dB

TABLE 46: E1 TRANSMITTER ELECTRICAL CHARACTERISTICS

VDD=3.3V±5%,

TA=-40° TO 85°C, UNLESS OTHERWISE SPECIFIED

PARAMETER

MIN.

TYP.

MAX.

UNIT

TEST CONDITIONS

AMI Output Pulse Amplitude:

Ω Application

120

Ω Application

2.185

2.76

2.37

3.00

2.555

3.24

Transformer with 1:2 ratio and Internal

termination.

Output Pulse Width

224

244

264

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