Transceivers in the Frequency Domain
The center frequency of the modulated wanted signal has to be changed from a low frequency to a very high frequency (in the transmit path) or from the very high frequency to a low frequency (in the receive path).
All unwanted signals situated outside the wanted signal channel have to be suppressed so that they do not interfere with the correct operation of the wireless communication link and the digital modem.
The signal levels have to be adjusted in order to obtain the highest possible performance.
KeywordsReal Signal Voltage Control Oscillator Positive Frequency Negative Frequency Amplitude Error
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