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ProFLEX01-R2 TRANSCEIVER MODULE
DATASHEET
PA/LNA
The CC2591 is a cost-effective and high performance RF Front End for low-power and low-voltage 2.4-
GHz wireless applications. It is a range extender for all existing and future 2.4-GHz low-power RF
transceivers, transmitters and System-on-Chip products from Texas Instruments. It increases the link
budget by providing a power amplifier for increased output power, and a LNA with low noise figure for
improved receiver sensitivity. It provides a small size, high output power RF design with its 4x4-mm
QFN-16 package. It contains PA, LNA, switches, RF-matching, and balun for simple design of high
performance wireless applications. Figure 7 shows a block diagram of the CC2591.
Figure 7 CC2591 Block Diagram
Antenna Options
The ProFLEX01-R2 module includes an integrated PCB F-antenna. An optional configuration with a
U.FL connector is also available. The module regulatory certification has been completed with the
following antennas:
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PCB trace antenna
LSR 001-0001 2.4 GHz Dipole Antenna with Reverse Polarity SMA Connector and LSR 080-0001 U.FL to
Reverse Polarity SMA Bulkhead Cable 105mm
Nearson S131CL-6-PX-2450S dipole antenna on a 6 inch cable with connectors.
An adequate ground plane is necessary to provide good efficiency. The ground plane of the host board
on which the module is mounted increases the effective antenna ground plane size and improves the
antenna performance.
The environment the module is placed in will dictate the range performance. The non-ideal
characteristics of the environment will result in the transmitted signal being reflected, diffracted, and
scattered. All of these factors randomly combine to create extremely complex scenarios that will affect
the link range in various ways.
The information in this document is subject to change without notice.
330-0098-R2.0
Copyright ? 2012 LS Research, LLC
Page 14 of 45
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