... 射频特殊器件：RF Special Parts 射频锁相环：RF Phase-lock Loop 射频数字衰减器：RF Digital Attenuator ...
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根据本发明的特定的实施例，合成器237可结合射频锁相环或中频锁相环或两者的组合。
Depending on the particular embodiment of the invention, synthesizer 237 May incorporate an RF PLL or an IF PLL or a combination of both of these components.
分析了锁相环的基本原理和实现，并对射频电路设计理论和阻抗匹配问题进行了探究。
Analyzing the basic theory and development of PLL, and studying the design theory and impedance match problem of experimental circuit board.
全集成锁相环芯片目前在射频电路中应用很广泛。
Now the full integrated PLL (phase locked loop) chip is used widely in radio frequency circuit.
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