XRT85L61

BITS (BUILDING INTEGRATED TIMING SUPPLY) CLOCK EXTRACTOR

REV. 1.0.1

11

1.3

2048 kHz NRZ Mode

In this mode, XRT85L61 receives 2048 kbps synchronization signal as shown in Figure 6.

Frequency

2048 kHz ± 50 ppm

Pulse Shape

The signal must conform with the mask.

The value V corresponds to maximum peak value

Pair(s) in each direction

Coaxial pair

Symmetrical pair

Test Load Impedance

75

Ω Resistive

120

Ω Resistive

1.9

0.75

1.0

Maximum jitter at an output port

Other values may be specified for timing output ports of digital

links carrying the network timing.

T

30

T

30

T

30

T

30

T

30

T

30

T

4

T

4

T

4

T

4

T

+ V

+ V

– V

– V

0

1

1

T 1818 900- 92

S h ad ed a r e a in w h i c h

s ig nal s h o u l d b e

m o no to nic

T A v er ag e p e ri o d o f

s y nc hr oni z ing s ig nal

F IG U R E 21 /G .7 03

Wa v e s h a p e at an o u tp ut p ort