2.3
GUI Transmitter
2.4
GUI for XPIC Receiver
www.ti.com
GUI Overview
Control of the transmitter is located in the second column within the Quick-TRX section (see
Figure 17
).
Figure 17. Transmitter GUI
TX Attn [dB]
Controls the attenuation from maximum gain of the transmitter chain.
T/RX Loopback
Enables the path for looping back the TX signal into the receiver with a 0 dB loss or a 20 dB loss in the
path depending on selection. This can be used for calibrating the RX baseband low pass filter corner
frequency or calibrating the TX modulator LO leakage calibration [see TRF2443 datasheet for detailed
explanation (
SLWS217
)].
Control of the XPIC receiver is located in the second column within the Quick-TRX section (see
Figure 18
).
Figure 18. XPIC Receiver GUI
XPIC BB Gain [dB]
Specifies the gain setting for the XPIC RX baseband section. The value entered here is a gain setting and
not gain in dB. This value is 9 dB less than the actual gain (i.e., enter 0 for 9dB of gain or enter 5 for 14dB
of gain).
XPIC DC Offset En
Toggling this button invokes a DC offset calibration of the XPIC RX baseband circuitry. This is
recommended after changed the XPIC BB Gain.
RX AGC
The analog gain control of the XPIC receiver chain is located in the upper right corner of the GUI and is in
mV (see
Figure 19
).
Figure 19. XPIC AGC GUI
SLWU065 – September 2009
List of Tables
15
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