Low-voltage, current-folded signal modulators and methods
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United States of America Patent
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Oct 9, 2001
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N/A
app pub date -
Apr 6, 2000
filing date -
Apr 6, 2000
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Abstract
A low voltage, current-folded signal modulator that reduces distortion in the output signal is provided. The signal modulator has a differential amplifier that receives a first input signal and converts it to a current, a current amplifier that has a low impedance input and provides an amplified current signal, and a differential pair circuit that receives a second input signal and modulates the amplified current signal by the second signal.
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