User Manual

MPA Project Document DOC #
XWING1 Users Guide
Copyright 2011 Motorola Solutions, Inc.
20110307-A 15 of 20
Confidential Material – Disclosure Strictly Prohibited.
2. Architecture
2.1. System Architecture
The XWING1’s fundamental design is based on the Texas Instrument WiLink 6.0
(WL1273) reference design. The XW1 contains the TI1273, a FEM, a high-accuracy
low phase-noise 26MHz TXCO, a LBPF, a LB/HB Diplexer and a SPDT RF switch used
for transmit and receive antenna selection diversity. It contains level translators to
interface the 1.8V chipset to 3.3V MPA2 architecture. It also contain a switching mode
power supply for ANA 1.8V and a LDO for DIG 1.8V. The design has been made such
that the BOM can be configured to support 1.8V architectures as well.
2.2. Block Diagram
Figure 1 - Block Diagram