![]() ![]() The top 2 curves are noise output spectrum at 10mA and 60mA diode current respectively.įigure 2. The second curve from bottom is the noise output from the LNA when the diode is OFF. In Figure 2, the bottom curve is the instrument noise floor (measured when everything is OFF). The circuit is shown in Figure 1, and the test result is shown in Figure 2.
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