نتایج جستجو برای: delay locked loop dll
تعداد نتایج: 269676 فیلتر نتایج به سال:
In the literature, surfing technique has been proposed for single ended wave-pipelined serial interconnects to increase the data transfer rate. In this paper a novel surfing technique is proposed for differential wave-pipelined serial interconnects, which uses a 'Controllable inverter pair' for surfing. To evaluate the efficiency of this technique, a transceiver with transmitter, receiver, dela...
A receiver for positioning with LTE signals, which could mitigate multipath in a computationally efficient fashion is presented. The receiver uses an orthogonal frequency division multiplexing (OFDM)–based delay-locked loop (DLL) to track the received LTE signals. The ranging error performance in an additive white Gaussian noise (AWGN) channel is evaluated numerically. The results demonstrate r...
This paper proposes a novel architecture for ultra-tight integration of a High Sensitivity Global Positioning System (HSGPS) receiver with an Inertial Navigation System (INS), to address the issue of GPS tracking and positioning in degraded signal environments. By enhancing signal tracking loops in receivers through the use of optimal controllers/estimators and aiding from external source such ...
To meet the demand for high-precision positioning in commercial industrial internet scenarios, 3GPP introduced Positioning Reference Signal (PRS) 5G standard. However, PRS signal occupies specific time and frequency resources transmission systems, limiting efficiency of communication to some extent. In this regard, we propose a NR Co-Band model that allows superimposition signals on low-power m...
A 0.5–5 GHz wide-range multiphase delay-locked loop (MDLL) with a calibrated charge pump is presented. A multiperiod-locked technique is used to enhance the input frequency range of a MDLL and avoid the harmonic-locked problem. The charge pump current is also calibrated to reduce the static phase error. This MDLL has been fabricated in 0.13m CMOS process. The measured root-mean-square and peak-...
The traditional analog signal processing is expected to progressively substituted by the processing times of the digital domain in the VLSI .Within this novel paradigm ,digitally controlled delay lines should play the vital role in the digital-toanalog converters ,and in analog intensive circuits. From a practical point of view, nowadays, DCDL is a key block in the many applications like All Di...
A clock synchronizing circuit for repeaterless low swing interconnects is presented in this paper. The circuit uses a delay locked loop (DLL) to generate multiple phases of the clock, of which the one closest to the center of the eye is picked by a phase detector loop. The picked phase is then further fine tuned by an analog voltage controlled delay to position the sampling clock at the center ...
An improved architecture for all digital Delay Locked Loop (ADDLL) had been developed and implemented for several applications and design methodologies. In most cases it can be based on standard cells only. Several techniques are used to minimize the jitter, achieving less than 40pS (peak) for 0.13μ technology. The frequency range is very wide, exceeding 500MHz. For 0.13μ core, the area is 0.01...
PN code tracking is one of the most important factors that affect the performance of spread spectrum receivers. It is desirable to maintain PN code tracking for a long period of time and with high accuracy. This paper presents a non-coherent digital delay-locked loop (DLL) for code tracking in direct-sequence spread spectrum (DS-SS) systems. The proposed technique utilizes three non-coherent co...
A high-speed triangular-modulated spread-spectrum clock generator using a fractional phase-locked loop is presented. The fractional division is implemented by a nested fractional topology, which is constructed from a dual-modulus divide-by-(N–1/16)/N divider to divide the VCO outputs as a first division period and a fractional control circuit to establish a second division period to cause the o...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید