Robuta

https://www.prweb.com/releases/Pasternack_Introduces_New_Line_of_Input_Protected_Low_Noise_Amplifiers_that_Provide_Noise_Figure_Levels_as_Low_as_0_8_dB/prweb16205471.htm
IRVINE, Calif. (PRWEB) April 02, 2019 -- Pasternack, an Infinite Electronics brand, and a leading provider of RF, microwave and millimeter wave products, has...
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https://www.renesas.com/en/products/isl28110
Single JFET amplifier featuring low noise, high slew rate, low input bias current and offset voltage.
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https://www.infineon.com/products/rf/low-noise-amplifier-lnas
Infineon's RF low-noise amplifier (LNA) MMICs for IoT, Wi-Fi, satellite, cellular, and GNSS applications with high gain.
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https://www.linearsystems.com/
Linear Systems has been designing, manufacturing, and distributing high-performance JFET Amplifiers, DMOS Switches, Current Regulating Diodes, Bipolar...
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https://www.nist.gov/publications/very-low-noise-tightly-coupled-dc-squid-amplifiers
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