LinXiaoling
Member level 1
can anyone give me some advice on digital PLL and costas loop? can CW signal be tracked and locked in a digital costas loop?
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Hi Lin,
Costas loop is for carrier recovery in receiving supressed-carrier signals. For instance, for demodulating Double Side Band in analog communications, or BPSK in digital communications.
For track CW you can use a PLL.
Regards
Z