Invention Mine LLC
Wideband direct DCO modulator with in-band compensation
A Direct VCO (DCO) modulation apparatus and method that provides a wideband modulated signal output. The wideband response is obtained via signal processing to counteract a high-pass frequency characteristic as seen from the VCO modulation input. That is, low frequency components of data signals are compensated before being applied to a VCO input. The high-pass characteristic in combination with the compensated signal provides a relatively flat, wideband frequency response of the DCO modulator.
Innophase Inc.
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Sara Xi Yang
Munoz Hermoso Li Xu