User Manual

KwikBlue4-1
Bluetooth® Class 1 BC04 Module
Manual
June 21, 2005 Copyright © 2004-2005 Socket Communications, Inc. Page 15
Document#: CONFIDENTIAL Revision 0.1
5. Application Note
5.1 Layout guideline
5.1.1 please follow the footprint of module.
5.1.2 Don’t put coppor foil or any trace under the antenna area.
5.1.3 Add a power de-coupling circuit for 3.3V and PA3.3V.
5.1.4 Suggest to take coppor foil or any trace away from the near side with our module.
5.1.5 Keep the USB trace shortly as possible.
5.2 Power source
5.2.1 Suggest to use a LDO regulator to convert your power into 3.3V for our module.