KNOWLES – KAS-33100-0004 “MUSKIE” MICROPHONE EVALUATION KIT USERS GUIDE
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FLEX ADAPTER (KCA2733)
The KCA2733 flex adapter assembly is comprised of
•
One KCB2734 printed circuit board.
•
One 0.1
μ
F 10% bypass capacitor.
•
One AVX Corp 8 position connector
Part# 04628800.
Insert the flex microphone into the KCA2733 flex adapter. Flex board is
inserted with copper contacts face down. Lock the flex into the adapter
by closing the connector.
Figure 6: Flex adapter - correct installation of bottom port mic
Note: Flex adapter board’s correct insertion orientation.
Figure 7: Flex adapter - incorrect installation of bottom port mic
Note: Incorrect flex insertion. The flex PCB traces should NOT be
visible.
KCA2733
Figure 8: Correct Flex Adapter Insertion into Muskie board
Note: P O G text on flex adapter aligns with P O G text on Muskie
board.
Figure 9: Flex adapter schematic
Refer to Knowles application note AN18 for additional flex/coupon
information. AN18 is available at the Knowles website.
https://www.knowles.com/subdepartment/evaluation-kits/dpt-
microphones/subdpt-sisonic-surface-mount-mems
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KCA2733 Flex Adapter
