| 摘要 |
A system for frequency modulation by a signal, the system including an oscillator having a known linearity distortion, a circuit for selecting one from a plurality of predetermined constants, a circuit for operating on the signal with the selected constant, and a digital to analog converter in an embodiment where the signal is digital, for converting the signal having been operated on to an analog signal for modulating the oscillator is disclosed. One embodiment includes a circuit for determining the magnitude of the input signal.
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