Rainbow Electronics DS1875 - Manual (Page 15)

DS1875
Typical Operating Circuit
BEN+
BEN-
DIS
IN-
IN+
OUT-
BIAS-
BIAS+
OUT+
V CC
TX-F
TX-D
SCL
SDA
LOSI
D3
D0
MON[5:7]
MON2
MON3
MON4
FETG
M4DAC
D1
MON1
BMD
3.3V
VMSET MODSET VREF IMAX GND BIASSET BENOUT BCMON VBSET
TRANSMIT POWER
DAC1
D2
MON8
VOLTAGE REFERENCE
OPTIONAL
APD OVERLOAD QUICK TRIP
APD VOLTAGE MONITOR
DISABLE INPUT
RECEIVER LOS
OPEN-DRAIN LOS OUTPUT
FAULT OUTPUT
I 2 C COMMUNICATION
RECEIVE POWER
CATV RF POWER
V CC
SW
GND
ADDITIONAL DIGITAL I/O
ADDITIONAL MONITORS
CATV
RECEIVE
POWER
(CURRENT)
12V
FTTH CATV
TIA
RF DETECTOR
GAIN CONTROL
CATV SHUTDOWN CONTROL
CURRENT MONITOR
FB
3.3V
3.3V
R
AGC
TIA
ROSA
APD
COMP
MOD BIAS BEN
DS1875
MAX3643
MAX4003
MAX4007
MAX3654
PON Triplexer and SFP Controller
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