High level diode mixer
A double balanced mixer consisting of two complementary solid state switches, with a high reverse-bias voltage provided by isolating the sides of the complementary solid state switches receiving the carrier signal from one another, and connecting the other sides together. If the solid state switches...
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Sprache: | eng |
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Zusammenfassung: | A double balanced mixer consisting of two complementary solid state switches, with a high reverse-bias voltage provided by isolating the sides of the complementary solid state switches receiving the carrier signal from one another, and connecting the other sides together. If the solid state switches are designed to couple the input signal to the output signal in response to the carrier signal having an amplitude of zero volts, then a solid state switch in forward-bias will have a potential of zero volts on both sides of it. While this solid state switch is in forward-bias, the second solid state switch will be receiving the complementary carrier signal on one side, which is a high positive voltage, and zero volts on the side connected to the first solid state switch. The second solid state switch will therefore see a reverse-bias potential difference equal to the potential difference between the positive voltage of the complementary carrier signal and zero volts. |
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