19-2348; Rev 0; 2/02
MAX3865 Evaluation Kit
General Description
The MAX3865 evaluation kit (EV kit) has one circuit for
electrical evaluation and a second circuit for optical
evaluation. The electrical EV board is designed to famil-
iarize the user with the behavior of the automatic power
control (APC) and automatic modulation control (AMC)
features of the MAX3865 in an environment that is easy
to instrument using the many test points provided. The
optical EV board closely resembles what might be
found in an actual communications environment.
The electrical part of the EV kit is designed to familiar-
ize the user with the controlling action of the MAX3865.
The kit contains a synthetic laser plus monitor diode, for
which threshold current and gain can be varied through
jumper connections. The user can program values for
the bias (average) and modulation (peak-to-peak) cur-
rents in the monitor diode for a desired extinction ratio.
The synthetic laser can be changed to simulate varia-
tion of temperature or approaching end of life, and the
extinction ratio is held constant. Parameters such as
loop settling time or the restrictions imposed on the
maximum currents in the laser can also be observed.
o
Fully Assembled and Tested
o
Fully Matched for Best Return Loss
Features
Evaluates: MAX3865
Ordering Information
PART
MAX3865EVKIT
TEMP RANGE
-40擄C to +85擄C
IC PACKAGE
32 QFN
Electrical Component List
DESIGNATION
C11鈥揅14, C20
C15鈥揅18, C22,
C26
C19
C21
C23, C24
C25
C36鈥揅39
D11, D13
D12
J3, J4, J5
QTY
5
6
1
1
2
1
0
2
1
3
DESCRIPTION
0.1碌F
鹵10%,
10V ceramic
capacitors (0402)
0.01碌F
鹵10%,
10V ceramic
capacitors (0402)
47pF
鹵5%,
10V ceramic capacitor
(0402)
22pF
鹵5%,
10V ceramic capacitor
(0402)
10碌F
鹵10%,
10V tantalum
capacitors
0.01碌F
鹵10%,
10V ceramic
capacitor (0603)
Do not install (0402)
Rectifier diodes, 1A
Digi-Key S1ADICT-ND
Red LED, T1 pkg
Digi-Key 363-ND
Test points
JU11鈥揓U18
JU11鈥揓U18
L12, L13
Q11
R9
R11, R12, R13
R14鈥揜17
R18, R19
R20
R21
R22
R23
R24
8
8
2
1
1
3
4
2
1
1
1
1
1
J11鈥揓15
5
DESIGNATION
QTY
DESCRIPTION
SMA connectors (edge mount,
round contact)
EFJohnson 142-0701-801
or Digi-Key J502-ND
Note:
Cut center pin to
approximately 1/16in length.
1-pin
鉁?/div>
2-pin headers (0.1in
centers)
Shunts
1.2碌H inductors
Coilcraft 1008 LS-122XKBC
PNP transistor
Central Semiconductor CMPT3906
100鈩?/div>
鹵1%
resistor (0402)
33k鈩?/div>
鹵5%
resistors (0603)
3.3k鈩?/div>
鹵5%
resistors (0603)
200鈩?/div>
鹵1%
resistors (0402)
20鈩?/div>
鹵5%
resistor (2010)
10鈩?/div>
鹵1%
resistor (1210)
33鈩?/div>
鹵1%
resistor (0603)
2k鈩?/div>
鹵1%
resistor (0603)
1.0k鈩?/div>
鹵1%
resistor (0603)
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
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