Radio system including FET mixer device and square-wave drive switching circuit and method therefor
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United States of America Patent
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Aug 22, 2000
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N/A
app pub date -
Feb 1, 1998
filing date -
Feb 1, 1998
priority date (Note) -
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Abstract
A radio comprising an FET mixing device for multiplying a first-frequency signal with a second frequency signal to generate a third frequency analog mixer output signal. A local oscillator input port receives a periodic sinusoidal local oscillator signal at a local oscillator frequency from an external local oscillator source. A drive circuit generates a substantially square-wave two-voltage level switching signal for driving said mixing device. An analog-to-digital converter generates a digital representation of said third frequency analog mixer output signal.
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