Question
Download Solution PDFWhen a PLL is being used as a frequency synthesizer, the output is taken from
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFWhen a PLL is being used as a frequency synthesizer, the output is taken from the VCO output
Explanation:
A PLL is a feedback system that includes a VCO, phase detector, and low pass filter within its loop.
Its purpose is to force the VCO to replicate and track the frequency and phase at the input when in lock.
The PLL is a control system allowing one oscillator to track with another.
It is possible to have a phase offset between input and output, but when locked, the frequencies must exactly track.
Applications
- Clock generation
- Frequency synthesizer
- Clock recovery in a serial data link
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