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Frequency‐to‐voltage converter based dual‐loop phase‐locked loop with variable phase locking capability
oleh: Z. M. Saifullah, Paul M. Furth, SriHarsh Pakala, Alejandro Roman‐Loera
| Format: | Article |
|---|---|
| Diterbitkan: | Wiley 2022-12-01 |
Deskripsi
Abstract A novel frequency‐to‐voltage converter based phase‐locked loop (PLL) is proposed to overcome the inability of a frequency‐to‐voltage converter based frequency‐locked loop to lock phase. The proposed dual‐loop PLL adds variable phase‐locking capability, such that the phase locking angle can vary from 0–360°. The additional variable phase‐locking can be applied in data communication in the form of phase modulation. The design is targeted for a 0.5‐μm CMOS process. The proposed design generates a 480 MHz clock from a reference clock of 15 MHz. In simulation, the proposed PLL locks within 3.56 μs while consuming 1.61 mW of power.