AFBR-5805Z Avago Technologies US Inc., AFBR-5805Z Datasheet - Page 13

• Manufacturer Part Number: AFBR-5805Z
• Description: TXRX ATM SONET OC3 3V SC 1X9
• Manufacturer: Avago Technologies US Inc.
• Series: -r

Specifications of AFBR-5805Z

• Wavelength: 1310nm
• Applications: General Purpose
• Voltage - Supply: 3.3V
• Connector Type: SC
• Mounting Type: Through Hole
• Function: Provides the system designer with products to implement a range of soluntions for multimode fiber SONET OC-3 (SDH STM-1)
• Product: Transceiver
• Data Rate: 155 Mbps
• Maximum Rise Time: 3 ns/2.2 ns
• Maximum Fall Time: 3 ns/2.2 ns
• Pulse Width Distortion: 1.2 ns (Max)/1.91 ns (Max)
• Maximum Output Current: 50 mA
• Operating Supply Voltage: 3.135 V to 3.5 V or 4.75 V to 5.25 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Package / Case: SIP-9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: Multimode Glass
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Notes:
1. This is the maximum voltage that can be applied across the Diff eren-
2. The outputs are terminated with 50  connected to V
3. The power supply current needed to operate the transmitter is pro-
4. This value is measured with the out puts terminated into 50
5. The power dissipation value is the power dissipated in the receiver
6. This value is measured with respect to V
7. The output rise and fall times are measured between 20% and 80%
8. These optical power values are measured with the following condi-
9. The Extinction Ratio is a measure of the modulation depth of
10. The transmitter will provide this low level of Output Optical Power
11. The relationship between Full Width Half Maximum and RMS values
13
tial Transmitter Data Inputs to prevent damage to the input ESD pro-
tection circuit.
vided to diff erential ECL circuitry. This circuitry maintains a nearly
con stant current fl ow from the power supply. Constant current op-
eration helps to prevent unwanted electrical noise from being gen-
erated and conducted or emitted to neighboring circuitry.
W connected to V
-14 dBm average.
itself. Power dissipation is calcu lated as the sum of the products of
supply voltage and currents, minus the sum of the products of the
output voltages and currents.
nated into 50  connected to V
levels with the output connected to V
tions:
•
•
•
•
The average power value can be converted to a peak power value by
adding 3 dB. Higher output optical power transmitters are available
on special request.
the optical signal. The data “1” output optical power is com-
pared to the data “0” peak output optical power and expressed
in decibels. With the transmitter driven by a 25 MBd (12.5 MHz
square-wave) input signal, the average optical power is mea-
sured. The data “1” peak power is then calculated by adding
3 dB to the measured average optical power. The data “0” output
optical power is found by measuring the optical power when the
transmitter is driven by a logic “0” input. The extinc tion ratio is the
ratio of the optical power at the “1” level compared to the optical
power at the “0” level expressed in decibels.
when driven by a logic “0” input. This can be useful in link trouble-
shooting.
for Spectral Width is derived from the assumption of a Gaussian
shaped spectrum which results in a 2.35 X RMS = FWHM relation-
ship. The optical rise and fall times are measured from 10% to 90%
when the transmitter is driven by a 25 MBd (12.5 MHz square-wave)
input signal. The ANSI T1E1.2 committee has designated the pos-
sibility of defi ning an eye pattern mask for the transmitter optical
output as an item for further study. Avago Technologies will incor-
porate this requirement into the specifi cations for these products if
it is defi ned. The AFBR-5805 products typically comply with the tem-
plate require ments of CCITT (now ITU-T) G.957 Section 3.2.5, Figure
2 for the STM-1 rate, excluding the optical receiver fi lter normally
associated with single mode fi ber measurements which is the likely
source for the ANSI T1E1.2 committee to follow in this matter.
The Beginning of Life (BOL) to the End of Life (EOL) optical
power degradation is typically 1.5 dB per the industry con-
vention for long wavelength LEDs. The actual degradation
observed in Avago Technologies’ 1300 nm LED products is
< 1 dB, as specifi ed in this data sheet.
Over the specifi ed operating voltage and temperature ranges.
With 25 MBd (12.5 MHz square-wave), input signal.
At the end of one meter of noted optical fi ber with cladding
modes removed.
CC
- 2 V and an Input Optical Power level of
CC
- 2 V.
CC
-2 V through 50 .
CC
with the output termi-
CC
-2 V.
12. Systematic Jitter contributed by the transmitter is defi ned as the
13. Random Jitter contributed by the transmitter is specifi ed with a
14. This specifi cation is intended to indicate the performance of the
15. All conditions of Note 14 apply except that the measurement is
16. Systematic Jitter contributed by the receiver is defi ned as the
17. Random Jitter contributed by the receiver is specifi ed with a 155.52
18. This value is measured during the transition from low to high levels
19. This value is measured during the transition from high to low levels
20. The Signal Detect output shall be asserted within 100 μs after a step
21. Signal detect output shall be de-asserted within 350 μs after a step
22. The AFBR-5805 transceiver complies with the requirements for the
com bination of Duty Cycle Distortion and Data Dependent Jitter.
Systematic Jitter is measured at 50% threshold using a 155.52 MBd
(77.5 MHz square-wave), 2
signal.
155.52 MBd (77.5 MHz square-wave) input signal.
receiver section of the transceiver when Input Optical Power signal
characteristics are present per the following defi nitions. The Input
Optical Power dynamic range from the minimum level (with a
window time-width) to the maximum level is the range over which
the receiver is guaranteed to provide output data with a Bit Error
Ratio (BER) better than or equal to 1 x 10
•
•
•
•
•
made at the center of the symbol with no window time-width.
combina tion of Duty Cycle Distortion and Data Dependent Jitter.
Systematic Jitter is measured at 50% threshold using a 155.52 MBd
(77.5 MHz square-wave), 2
signal.
MBd (77.5 MHz square-wave) input signal.
of input optical power.
of input optical power.
increase of the Input Optical Power.
decrease in the Input Optical Power.
trade-off s between center wavelength, spectral width, and rise/fall
times shown in Figure 9. This fi gure is derived from the FDDI PMD
standard (ISO/IEC 9314-3 : 1990 and ANSI X3.166 - 1990) per the de-
scription in ANSI T1E1.2 Revision 3. The interpretation of this fi gure is
that values of Center Wavelength and Spectral Width must lie along
the appropriate Optical Rise/Fall Time curve.
At the Beginning of Life (BOL)
Over the specifi ed operating temperature and voltage ranges
Input is a 155.52 MBd, 2
72 “0”s inserted per the CCITT (now ITU-T) recommenda tion G.958
Appendix I.
Receiver data window time-width is 1.23 ns or greater for the
clock recovery circuit to operate in. The actual test data window
time-width is set to simulate the eff ect of worst case optical input
jitter based on the transmitter jitter values from the specifi cation
tables. The test window time-width is AFBR-5805 3.32 ns.
Transmitter operating with a 155.52 MBd, 77.5 MHz square-wave,
input signal to simulate any cross-talk present between the trans-
mitter and receiver sections of the transceiver.
23
7
7
- 1 psuedo random data pattern input
-1 psuedo random data pattern input
- 1 PRBS data pattern with 72 “1”s and
-10
.