Chapter 5. Low-Noise Amplifiers
Following our system- and architecture-level studies in previous chapters, we move farther down to the circuit level in this and subsequent chapters. Beginning with the receive path, we describe the design of low-noise amplifiers. While our focus is on CMOS implementations, most of the concepts can be applied to other technologies as well. The outline of the chapter is shown below.
5.1 General Considerations
As the first active stage of receivers, LNAs play a critical role in the overall performance and their design is governed by the following parameters.
Noise Figure
The noise figure of the LNA directly adds to ...
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