User manual

Active Filter Demo Board Kit User’s Guide
DS51614A-page 12 © 2006 Microchip Technology Inc.
The Active Filter Section is shown in Figure 2-5. The single op amp U1 can have either
a PDIP-8 or SOIC-8 package:
• PDIP-8 packages are inserted into the DIP-8 socket to the right of the U1 label
• SOIC-8 packages can be accommodated; see Section 4.6 “Using 8-Pin SOIC
Op Amps”
The resistors and capacitors that are part of a filter section are placed in pin sockets
(see Figure 2-5):
• The socket pairs are labeled Z1 through Z12
• The following sub-sections detail how the resistors and capacitors are chosen and
populated
FIGURE 2-5: Active Filter Section Top View.
GND
V
IN
GND
GND
V
DD
/2
V
DD
GND
V
OUT
GND
GND
V
DD
/2
V
DD