Looking at a PSK modulated signal, my spectrum analyzer reveals a low carrier spectral line, much lower in magnitude than what theory would suggest. What is causing this and how can I correct it?

The AC output of our generators has a DC blocking capacitor that removes all DC bias from the PN sequence. This effectively removes the carrier component of the spread spectrum signal. Refer to the FAQ on carrier imbalance for more information, including methods for restoring the carrier component.

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