S. Bronckers, G. Vandersteen, L. De Locht, G. van der Plas, Y. Rolain
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引用次数: 10
摘要
功率放大器(PA)发射的射频信号耦合到收发器的敏感压控振荡器(VCO)中会导致RFIC失效。对于设计者来说，确定哪一种耦合机制可以对VCO的退化负责并不明显。因此，决定采取何种适当的对策仍然是一个悬而未决的问题。在0.13 μ m CMOS 4 GHz PPA和5-7 GHz LC-VCO上进行了不同的实验，以深入了解不同的耦合机制。
Study of the different coupling mechanisms between a 4 GHz PPA and a 5–7 GHz LC-VCO
The coupling of the transmitted RF signal of the power amplifier (PA) into the sensitive voltage controlled oscillator (VCO) of a transceiver can cause failure of the RFIC. It is not obvious for the designer to identify which coupling mechanism can be held responsible for the degradation of the VCO. Thus it remains an open problem to decide which appropriate countermeasure should be taken. Different experiments are carried out on a 0.13 mum CMOS 4 GHz PPA and a 5-7 GHz LC-VCO to gain insight in the different coupling mechanisms.
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