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Results tagged with pll
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user 31057
PLL is short for "Phase Locked Loop". A PLL is a circuit that is able to keep a local (voltage controlled) oscillator synchronized with an independent given signal frequency.
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What is the difference between first order, second order and third order phase locked loops?
Specifically, in a PLL, the controlled variable is normally the phase of the signal. The PLL attempts to produce a phase lock. … For a simple frequency synthesizer a first order PLL might suffice, but with a QPSK demodulator a first order PLL would probably be lacking as any carrier frequency offset between the modulator and the …
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