Design the bias and matching networks for a single transistor low noise amplifier

Design a low noise amplifier using an Infineon BFP640 RF transistor. The amplifier is to be used to amplify
the L5 GPS signal and so the centre frequency is 1176.45MHz and bandwidth 30MHz. The requirements over
the entire bandwidth are: a noise figure of less than 1.0dB, a gain of 20dB ±0.3dB and S22 should be less than
-15dB (“minus 15dB”). The circuit will be used in a portable device powered by a 3.6 lithium battery.



Sample Solution

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