User Manual

Table Of Contents
RF interface
9-6 Confidential - For internal use 99-137719-D
9.1.3 Receiver inputs (Rx1 & Rx2)
The BGAN XL Radio Module has two receiver input connections (Rx1 and Rx2) and can
operate as a single receiver input or with antenna diversity where both receiver inputs
are used. Both Rx1 and Rx2 can be used in single receiver configuration. However, the
latter requires external down conversion as shown in the following figure.
Note
The BGAN XL Radio Module does not have a special feedback loop
incorporated to control the output power. If higher precision is needed (see
section 5.6.5) the integrator should incorporate his own feedback loop in the
externally connected HPA and align it with the reported EIRP information
provided via the RF control interface (see section 9.2).
Figure 9-3: Configuration with fixed gain HPA (simplified)
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