, RF oscillator: RX mode -TX mode, accumulated difference over T= 5°C to 65°C
RX mode -TX mode, accumulated difference over all channels (b) FIGURE 14: Crystal-free radio, RF oscillator, experimental data. a) For higher frequency channels, the tuning code difference needed when switching from RX mode to TX mode is higher than for lower frequency channels ,
, Crystal-free radio: determining the tuning codes for transmission on channels 11-26 is possible after the Initial Calibration phase has been completed and ACK reception is possible (RF oscillator calibrated in Startup Phase for RX mode), FIGURE, vol.15
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