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Yes, the value of NFmin in cascode LNA is directly affected by the negative feedback inductance. As the negative feedback inductance increases, the value of NFmin decreases, resulting in better overall performance of the LNA.
The negative feedback inductance plays a crucial role in stabilizing the cascode LNA. It helps to reduce the gain and phase variations caused by parasitic capacitances, thus improving stability and preventing oscillations.
Yes, there is an optimal value for the negative feedback inductance in cascode LNA. It is typically determined through simulations and depends on the specific design parameters and requirements of the LNA.
Yes, the negative feedback inductance can be replaced with other components, such as resistors or capacitors, to achieve similar effects. However, inductors are preferred for their low loss and high Q characteristics.
The negative feedback inductance has a significant impact on the noise figure of cascode LNA. It helps to reduce the noise figure by providing a lower impedance path for the input signal, thus reducing the overall noise contribution from the transistors.