Specifications

Reference Design HFRD-25.2 (Rev.8; 01/09) Maxim Integrated Products
Page 39 of 42
1
10
HFRD-25.2 TOP View
11 20
MS
MS
MS
MS
ATTiny24
MAX3747
MAX3643
Xponent Diplexer
Figure 11. HFRD-25.2 top view.
14 Component List
DESIGNATION QTY DESCRIPTION
C3 1
0.22μF ± 10%, 10V Ceramic
Capacitor (0402)
C5, C9, C21,
C22
4
1μF ± 20%, 10V Ceramic
Capacitor (0402)
C8 1
39pF ± 10% 50V Ceramic
Capacitor (0402)
C10–C12, C14,
C15, C29–C32,
C35, C39, C40,
C103
13
0.1μF ± 10%, 10V Ceramic
Capacitor (0402)
C13 1
0.47μF ± 10%, 10V Ceramic
Capacitor (0402)
C17 1
680pF ± 10% 50V Ceramic
Capacitor (0402)
C36 1
4.7pF ± 10% 50V Ceramic
Capacitor (0402)
L1, L2, L14 3
15nH ±10% Multilayer Inductor
(0402)
L3, L5, L15 3
1500Ω Ferrite Bead (0402)
TDK MMZ1005A152ET
R1, R20 2
4.99kΩ ±1% Resistor (0402)
R2 1
9.09kΩ ±1% Resistor (0402)
R5 2
36Ω ±5% Resistor (0402)
R6, R23, R25 3
1kΩ ±5% Resistor (0402)
R7 1
150Ω ±5% Resistor (0402)
R8, R9 2
5.1Ω ±5% Resistor (0402)
R10, R13 2
15kΩ ±5% Resistor (0402)
R11, R89 2
1.5kΩ ±5% Resistor (0402)
R12, R15 2
5.1kΩ ±5% Resistor (0402)
R18 1
100Ω ±1% Resistor (0402)
R21 1
3.01kΩ ±1% Resistor (0402)
R24, R27–R29,
R36
5
10kΩ ±5% Resistor (0402)
R26, R30, R31 3
49.9Ω ±1% Resistor (0402)
R32 1
8.2kΩ ±5% Resistor (0402)
R33 1
5.1kΩ ±5% Resistor (0402)
R88 1
4.75kΩ ±1% Resistor (0402)
R97 1
20Ω ±5% Resistor (0402)
U1 1
Burst Laser Driver
Maxim MAX3643ETG
U2 1
Optical Diplexer
Xponent Photonics XP3-0063
U3 1
Microcontroller
Atmel ATTiny24V-10MU or
ATTiny24-20MU
U4 1
Limiting Amplifier
Maxim MAX3747EUB
20 SFF Connection Pins
4 SFF Mounting Studs
1 HFRD-25.2 PCB