9
optical subassemblies during
wave solder and aqueous wash
processing and acts as a dust
cover during shipping.
Shipping Container
Solder and Wash Process
Compatibility
The transceiver is packaged in a
shipping container designed to
protect it from mechanical and
ESD damage during shipment or
storage.
The transceivers are delivered
with protective process plugs
inserted into the duplex SC or
duplex ST connector receptacle.
This process plug protects the
These transceivers are compatible
with either industry standard
wave or hand solder processes.
Rx
Tx
NO INTERNAL CONNECTION
NO INTERNAL CONNECTION
HFBR-520X
TOP VIEW
Rx
Rx
Tx
Tx
V
RD
2
RD
3
SD
4
V
V
TD
7
TD
8
V
EE
1
CC
CC
6
EE
5
9
C1
C2
V
CC
R2
R3
C5
L1
C3
L2
C4
TERMINATION
AT PHY
DEVICE
R1
R4
V
CC
INPUTS
R5
R7
V
FILTER
CC
AT V
CC
TRANSCEIVER
PINS
TERMINATION
AT TRANSCEIVER
INPUTS
C6
R9
R10
R6
R8
RD
RD
SD
V
TD
TD
CC
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.
R2 = R3 = R5 = R7 = R9 = 82 OHMS.
C1 = C2 = C3 = C5 = C6 = 0.1 µF.
C4 = 10 µF.
L1 = L2 = 1 µH COIL OR FERRITE INDUCTOR.
Figure 7. Recommended Decoupling and Termination Circuits.