;SOLUTION: In a master 1 provided with a communicatioin interface 2 for transmitting digital data to a digital communication PLL system and a slave 11 provided with the communication interface 12 for receiving digital data from the system, the communication interfaces 2 and 12 are connected by a...
In digital wireless communication systems (GSM, CDMA etc.), PLLs are used to provide the local oscillator up-conversion during transmission and down-conversion during reception. In most cellular handsets this function has been largely integrated into a single integrated circuit to reduce the cost an...
At its simplest, a phase-locked loop is a closed-loop feedback control circuit that's both frequency- and phase-sensitive. A PLL is not a single component, but a system that consists of both analog and digital components -- interconnected in a "negative feedback" configuration. Consider it...
Fast frequency hopped鈥搒pread spectrum (FFH-SS) communication is a system that can realize excellent interference immunity, disturbance immunity, and secu... Oie,Takahiro,Iritani,... - 《Electronics & Communications in Japan Part Communications》 被引量: 1发表: 1999年 Low-power frequency-hopped...
In this paper we investigate the dynamic behavior of a nonautonomous fractional-order biological system.With the stability criterion of active nonlinear fr... Z Hammouch,T Mekkaoui - 《Nonautonomous Dynamical Systems》 被引量: 11发表: 2014年 Spread Spectrum Communication with Chaotic Frequency Modulati...
Transmitters–Part2inFigure2. byMikeCurtinandPaulO’Brien VNrms Thefirstpartofthisseriesofarticlesintroducedthebasicconcepts ofphase-lockedloops(PLLs).ThePLLarchitectureandpriple ofoperationwasdescribedandaccompaniedbyanexampleof whereaPLLmightbeusedinacommunicationsystem. Inthissecondpart,wewillfocusonade...
The FOM contribution and the 1/f noise, together with the reference noise, dominate the in-band noise of a PLL system. Narrow-Band LO for 5G Communications For communication systems, the chief specifications from the PLL perspective are error vector magnitude (EVM) and VCO blocking ...
2. In addition, the phase-locked loop is a closed-loop tracking system. If the input signal is divided by M, the output signal will follow the divided signal, that is, the output is divided by M; if the feedback signal is divided by N, the output signal will be N times frequency....
A method and system for modulating data onto a carrier signal in a plurality of channels, each of the channels having a channel bandwidth, can be created for use in any two-way satellite communication system or other wireless communicati... ...
UA Belorkar,SA Ladhake - 《International Journal of Vlsi Design & Communication Systems》 被引量: 18发表: 2010年 Type-II all-digital phase-locked loop (PLL) System and method for providing type-II (and higher order) phase-locked loops (PLLs) with a fast signal acquisition mode. A prefer...