Rainbow Electronics MAX3795 - Manual (Page 11)

MAX3795
1Gbps to 4.25Gbps Multirate VCSEL Driver
with Diagnostic Monitors
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S
R
Q
R-S LATCH
HIGH-POWER FAULT
HIGH-CURRENT FAULT
V BIAS FAULT
BIAS
BIASMON
PWRMON
POR
TX_DISABLE
TX_DISABLE
0.8V
0.8V
V CC - 0.2V FAULT
ENABLE
SAFETY CIRCUIT
FAULT
OUTPUT
MAX3795
Figure 2. Safety Circuit
V CC
R OUT
100 Ω
CURRENT AMPLIFIER 40x
ENABLE
IN+
IN-
OUT+
OUT-
TC1 MODSET
R TC
R MODSET
MODULATION
CURRENT GENERATOR
INPUT BUFFER
CURRENT SWITCH
TEMPERATURE
COMPENSATION
TC2
SIGNAL
DETECT
SQUELCH
PEAKING
CONTROL
PEAKSET
200 Ω
R OUT
1V
R PEAKSET
MAX3795
Figure 3. Modulation Circuit