Sunday, October 1, 2017

LNA Wideband 100 mHz to 4 Ghz RF amplifier / booster circuit diagram

Another simple circuit for Low Noise Amplifier (LNA) wideband with frequency range between 100 Mhz ~ 4 Ghz RF amplifier booster. Great for mobile signal especially 4G LTE or HSDPA and HSDPA plus to boost the signal. Below is the schematic diagram.

Electronic Component:

5 x Resistors: 2.2 Ohm, 50 Ohm, 220 Ohm, 450 Ohm, 620 Ohm
1 x Inductor: 1 uH
2 x RF Transistor: BFP740
2 Ceramic capacitor: 1nF each at the input and output

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