User manual

Setup and Installation
© 2006 Microchip Technology Inc. DS51614A-page 11
FIGURE 2-3: V
DD
/2 Filter Section Top View.
2.5 ACTIVE FILTER SECTION SET-UP
The filter sections designed by FilterLab V2.0 have several topologies. This section
details the conversion of these topologies to the Active Filter Demo Board Kit.
Figure 2-4 shows the circuit diagram for the Active Filter Section.
FIGURE 2-4: Active Filter Section Circuit.
GND
V
IN
GND
GND
V
DD
/2
V
DD
GND
V
OUT
GND
GND
V
DD
/2
V
DD
MCP6271
U
1
Z
1
Z
2
Z
3
Z
5
Z
6
Z
10
Z
8
Z
9
Z
11
C
3
0.1 µF
Z
4
TP
1
TP
2
V
OUT
Z
7
GND
V
IN
GND
P
1
GND
V
DD
/2
V
DD
C
1
1.0 µF
J
1
V
DD
V
DD
/2
GND
P
2
GND
V
OUT
GND
J
2
C
2
0.1 µF
R
1
10Ω
TP
3
V
DD
/2GND