… phase-locked loop (PLL) for 61 fractional-N frequency-synthesis applications. Implemented
in a 0.8- m BiCMOS technology, the PLL can operate up to 1.8 GHz … BJT phase-locked loop …

… While some transceivers have been realized using bipolar junction transistors (BJTs), GaAs,
or … to add a low variable frequency from a low-frequency phaselocked loop (PLL) to a high …

… This paper presents both the theoretical and the practical aspects of phase-locked loop (PLL) …
As a consequence of this result, a fully integrated 1.8GHz differential ring-oscillator based …

… VARIABLE-frequency oscillators (VFO’s) phase locked to a … for easy optimization for the
phase-locked loops; 2) consume … five to eight for 1.6–1.8 GHz oscillation frequency, and from …

… and settling time compared to the conventional integer-N phase-locked loop architecture. …
While some transceivers have been made by BJT, GaAs or other high-quality integration …

… are the phase-locked loop (PLL) or indirect synthesizer [2]. A basic description of factional-N
architectures will be briefly described in this section. A factional-N phase-locked loop (… BJT …

… loop and phase-locked-loop with relaxation oscillators for XTAL-free IoT/biomedical radios.
Modeling techniques for both the frequency-locked and phase-locked loop … the phase-locked …

This paper presents the analysis, design, simulation, and test results for a Fractional-N PLL
frequency synthesizer. The synthesizer is designed to cover multiple frequency bands, …

… the loop filter, which are often the speed and the integration bottlenecks of the phase-locked
loop … , and other blocks draw 2 mA from a 2-V supply in total, whereby the whole PLL system …

Phase-locked loops (PLLs) are widely used in communication systems. With the continuously
expanding of market for high speed, portable communication devices, low noise CMOS …