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Binary 、Ternary Modulation
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2015-01-20
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The binary modulation is representing the signal with two voltage levels。 With a full bridge output stage；the FFX® generates two PWM waves in phase opposition。The PWM_A wave assumes a high voltage level when the signal is higher than the carrier (in this example the UP carrier – blue line)； on the contrary the PWM_B assumes a high voltage level when the signal is lower than the carrier。 The Binary modulation is realized by comparing the signal with only one carrier in this example the UP carrier (blue line)。
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