1 x 10-2
violating the Annex E allocation
example. In practice the typical
damage which may be induced
by electrostatic discharge (ESD).
1 x 10-3
1 x 10-4
contribution of the Agilent trans- The HFBR-5800 series of
ceivers is well below these
maximum allowed amounts.
transceivers meet MIL-STD-883C
Method 3015.4 Class 2 products.
HFBR-5803 SERIES
1 x 10-5
1 x 10-6
1 x 10-7
Recommended Handling Precautions Care should be used to avoid
CENTER OF SYMBOL
Agilent recommends that normal shorting the receiver data or
1 x 10-8
1 x 10-9
1 x 10-10
1 x 10-11
1 x 10-12
static precautions be taken in
the handling and assembly of
these transceivers to prevent
signal detect outputs directly to
ground without proper current
limiting impedance.
-6
-4
-2
0
2
4
RELATIVE INPUT OPTICAL POWER - dB
CONDITIONS:
1. 155 MBd
2. PRBS 27-1
3. CENTER OF SYMBOL SAMPLING
4. TA = +25°C
5. VCC = 3.3 V to 5 V dc
6. INPUT OPTICAL RISE/FALL TIMES = 1.0/2.1 ns.
Rx
Tx
Figure 6. Bit Error Rate vs. Relative Receiver
Input Optical Power.
NO INTERNAL CONNECTION
NO INTERNAL CONNECTION
Transceiver Jitter Performance
The Agilent 1300 nm
HFBR-5803
transceivers are designed to
operate per the system jitter
allocations stated in Tables E1 of
Annexes E of the FDDI PMD and
LCF-PMD standards.
TOP VIEW
Rx
VEE
1
Rx
VCC
5
Tx
Tx
RD
2
RD
3
SD
4
VCC
TD
7
TD
8
VEE
The Agilent 1300 nm
6
9
transmitters will tolerate the
worst case input electrical jitter
allowed in these tables without
violating the worst case output
jitter requirements of Sections
8.1 Active Output Interface of
the FDDI PMD and LCF-PMD
standards.
C1
C2
VCC
R2
R3
L1
L2
C4
TERMINATION
AT PHY
DEVICE
INPUTS
R1
R4
VCC
C3
The Agilent 1300 nm receivers
will tolerate the worst case input
optical jitter allowed in Sections
8.2 Active Input Interface of the
FDDI PMD and LCF-PMD
C5
V
CC FILTER
AT VCC PINS
TRANSCEIVER
R9
R5
R7
TERMINATION
AT TRANSCEIVER
INPUTS
C6
R6
R8
R10
standards without violating the
worst case output electrical
jitter allowed in the Tables E1 of
the Annexes E.
RD
RD
SD
VCC
TD
TD
The jitter specifications stated in
the following 1300 nm
NOTES:
THE SPLIT-LOAD TERMINATIONS FOR ECL SIGNALS NEED TO BE LOCATED AT THE INPUT
OF DEVICES RECEIVING THOSE ECL SIGNALS. RECOMMEND 4-LAYER PRINTED CIRCUIT
BOARD WITH 50 OHM MICROSTRIP SIGNAL PATHS BE USED.
R1 = R4 = R6 = R8 = R10 = 130 OHMS FOR +5.0 V OPERATION, 82 OHMS FOR +3.3 V OPERATION.
R2 = R3 = R5 = R7 = R9 = 82 OHMS FOR +5.0 V OPERATION, 130 OHMS FOR +3.3 V OPERATION.
C1 = C2 = C3 = C5 = C6 = 0.1 µF.
transceiver specification tables
are derived from the values in
Tables E1 of Annexes E. They
represent the worst case jitter
contribution that the trans-
ceivers are allowed to make to
the overall system jitter without
C4 = 10 µF.
L1 = L2 = 1 µH COIL OR FERRITE INDUCTOR.
Figure 7. Recommended Decoupling and Termination Circuits
6
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
