V23832-R511-M101 datasheet(9/33 Pages) INFINEON

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V23832-T2531-M101

V23832-R511-M101

Description

Data Sheet

2003-11-19

Receiver V23832-R511-M101

The PAROLI receiver module converts parallel optical input signals into parallel electrical

output signals. The optical signals received are converted into voltage signals by PIN

diodes, trans impedance amplifiers, and gain amplifiers. The differential data outputs are

Infineon’s adjustable CML signals. A separate module (V23832-R521-M101) with LVDS

output is also available. The output differential voltage (swing) is adjusted by an external

resistor connected to the REFR module input, the output average is adjustable by

external pull-up resistors.

The data rate is up to 1250 Mbit/s for each channel. The receiver module’s min. data rate

of 500 Mbit/s is specified for the CID

1) worst case pattern (disparity 72) or any pattern

with a lower disparity.

Additional Signal Detect outputs (SD1 active high / –SD12 active low) show whether an

optical AC input signal is present at data input 1 and/or 12. The signal detect circuit can

be disabled with a logic low at ENSD. The disabled signal detect circuit will permanently

generate an active level at Signal Detect outputs, even if there is insufficient signal input.

This could be used for test purposes.

A logic low at Output Enable sets all data outputs to logic low. SD outputs will not be

effected.

All non data signals have LVCMOS levels. Transmission delay of the PAROLI system is

≤ 1 ns for the transmitter, ≤ 1 ns for the receiver and approximately 5 ns per meter for

the fiber optic cable.

Figure 5

Receiver Block Diagram

Consecutive Identical Digit (CID) immunity test pattern for STM-N signals,

ITU-T recommendation G.957 sec. II.

Diode

Array

CML

Output

Stage

Data Out

REFR

Data

Optical

Input

Electrical

Output

Gain

Amplifier

Signal

Detect

Circuit

Amplifier

Output Enable (OEN)

ENSD

SD1

−SD12

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