High Frequency LNA schematics

Iulian Rosu - YO3DAC / VA3IUL - http://www.qsl.net/va3iul/

    The LNA schematics presented are based on Infineon Silicium-Germanium transistors.


1 - Wideband LNA - Frequency Range 100MHz to 4GHz, Gain = 20dB

 


2 - Wideband LNA - Frequency Range 100MHz to 4GHz, Gain = 20dB

 


3 - Wideband LNA - Frequency Range 100MHz to 1.5GHz, Gain = 20dB

 


4 - Wideband LNA - Frequency Range 100MHz to 1.5GHz, Gain = 15dB

 


5 - Wideband LNA - Frequency Range 100MHz to 2.5GHz, Gain = 32dB

 


6 - Wideband LNA - Frequency Range 100MHz to 4GHz, Gain = 30dB

 


7 - Narrow-band LNA - 144MHz to 146MHz, Gain = 22dB, NF = 0.9dB


8 - Narrow-band LNA - 430MHz to 440MHz, Gain = 22dB, NF = 0.8dB


9 - Narrow-band LNA - 1295MHz, Gain = 18dB, NF = 0.9dB


10 - Narrow-band LNA - 2.4GHz, Gain = 22dB, NF = 0.9dB


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