Single-Chip Low Power RF Transceiver for Narrowband Systems ...
Single-Chip Low Power RF Transceiver for Narrowband Systems ...
Single-Chip Low Power RF Transceiver for Narrowband Systems ...
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868 MHz<br />
CC1021<br />
Figure 28: Typical optimum PA load impedance, 868/915 MHz. The frequency is swept<br />
from 300 MHz to 2800 MHz. Values are listed in Table 23<br />
Frequency (MHz) Real (Ohms) Imaginary (Ohms)<br />
868 15 24<br />
915 20 35<br />
1736 1.5 18<br />
1830 1.7 22<br />
2604 3.2 44<br />
2745 3.6 45<br />
Table 23. Impedances at the first 3 harmonics (868/915 MHz matching network)<br />
15.<br />
Frequency Synthesizer<br />
SWRS045B Page 49 of 89
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