Rainbow Electronics MAX3746 - Manual (Page 10)

MAX3746
Low-Power, 622Mbps to 3.2Gbps
Limiting Amplifier
10 ______________________________________________________________________________________
50Ω 50Ω
OUT-
OUT+
V CC
50Ω 50Ω
V CC
DISABLE
OFFSET
CORRECTION
RSSI
DETECT
POWER
DETECT
RSSI
IN-
IN+
TH LOS OUTPOL
MAX3746
OUTPOL
DECODE
Functional Diagram
Typical Operating Circuits (continued)
MAX3744 TIA
R1
3.01kΩ
C1
0.1µF
IN+
IN-
RSSI TH DISABLE LOS
OUTPOL V CC
GND
4.7kΩ TO 10kΩ
LOS
2.97V TO 3.6V
OUT+
50Ω
0.1µF
OUT-
50Ω
0.1µF SERDES
SUPPLY FILTER HOST FILTER
V CC_RX 5-PIN TO HEADER
HOST BOARD SFP OPTICAL RECEIVER
PIN OR
APD
V CC (+3.3V OR APD
REFERENCE VOLTAGE)
V CC (+3.3V)
MAX3746
DS1859
3-INPUT DIAGNOSTIC
MONITOR
R TH = 14kΩ