| 摘要 |
<p>A radio (100) having a combined phase locked loop (PLL) (207) and an automatic frequency control (AFC) loop (215, 109, 111) and method of operating the same. A mixer (201) converts the received RF signal (117) to an intermediate frequency (IF) signal (219) responsive to an injection signal (217). The PLL (207) locks the injection signal (217) to the received RF signal (117) responsive to a reference signal (119). The AFC loop (215, 109, 111) locks the reference signal (119) to the received RF signal (117) responsive to the injection signal (217).</p> |
