Datasheet

MAX3863
2.7Gbps Laser Driver with Modulation
Compensation
_______________________________________________________________________________________ 5
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted. See Typical Operating Circuit .)
MODULATION CURRENT vs.
MODULATION SET RESISTOR
MAX3863 toc07
R
MODSET
(kΩ)
I
MOD
(mA)
101
10
1000.1
100
1
MODULATION MONITOR VOLTAGE
vs. MODULATION CURRENT
MAX3863 toc08
I
MOD
(mA)
V
MODMON
(mV)
65503520
20
40
60
80
100
120
140
160
180
200
0
580
1000
1
0.1 10 100
BIAS CURRENT
vs. BIASMAX SET RESISTOR
10
100
MAX3863 toc09
R
BIASMAX
(kΩ)
I
BIAS
(mA)
1
0
150
100
50
200
250
300
0403010 20 50 60 70 80 90 100
BIAS MONITOR VOLTAGE
vs. BIAS CURRENT
MAX3863toc10
I
BIAS
(mA)
V
BIASMON
(mV)
10
0.01
0.1 10 100 1000
MONITOR DIODE CURRENT
vs. APCSET RESISTOR
0.1
1
MAX3863 toc11
R
APCSET
(kΩ)
I
BIAS
(mA)
1
DIODE-CURRENT MONITOR VOLTAGE
vs. MONITOR DIODE CURRENT
MAX3863 toc12
I
MD
(mA)
V
MDMON
(V)
2.01.51.00.5
0.5
1.0
1.5
2.0
2.5
3.0
0
0 2.5
COMPENSATION (K)
vs. R
MODCOMP
MAX3863 toc13
R
MODCOMP
(kΩ)
K (mA/mA)
1010.1
0.1
1
10
0.01
0.01 100
POWER-SUPPLY NOISE REJECTION
vs. FREQUENCY
MAX3863 toc14
FREQUENCY (kHz)
PSNR (dB)
1000100101
20
40
60
80
100
120
0
0.1 10,000
SINGLE-ENDED S11 vs. FREQUENCY
MAX3863 toc15
FREQUENCY (GHz)
MAGNITUDE S11 (dB)
431 2
-35
-30
-25
-20
-15
-10
-5
0
-40
05