In the present work, a second-order type-2 phase-locked loop (PLL) with a piecewise-linear phase detector characteristic is analyzed. An exact solution to the Gardner problem on the lockin range is obtained for the considered model. The... more
This paper presents a CMOS voltage controlled ring oscillator with temperature compensation circuit suitable for low-cost and low-power gas sensor. To operate at low frequency, a control voltage generated by a CMOS bandgap reference is... more
This paper describes a new three-stage voltage controlled ring oscillator (VCO) based on 0.35 lm standard CMOS technology. The VCO was designed for a transmitter operating in the 863-870 MHz European band for wireless sensor applications.... more
A patch antenna capable of generating a wide horizontal radiation pattern covering about one half-space has been proposed. The broadening of the antenna's horizontal radiation pattern is easily achieved by using a narrow radiating patch... more
An optimization technique for a low phase noise CMOS LC VCO is proposed. The combination of harmonic tuning and on-chip filtering improves both 1/f 3 and 1/f 2 phase noise more than 10 dB over a comparable reference VCO. A 2.7 V, 5.4 mA,... more
OVER THE PAST DECADE, medical ultrasound imaging equipment has experienced a revolution. Advances in integrated electronics have allowed equipment manufacturers to significantly improve the portability and the affordability of this... more
A calibration-free ring oscillator based fractional-N clock multiplier using hybrid phase/current-mode phase interpolator is presented. Fabricated in 65nm CMOS process, the prototype generates fractional frequencies from... more
This study evaluates the financial feasibility of pasteurized coconut water with addition of fruit or vegetable blend. It aims to determine the financial feasibility of blended coconut water (BCW) to develop its strategy in production... more
This brief presents a fully monolithic voltage-controlled oscillator (VCO) based on double cross-coupled multivibrator architecture with a speed enhancing -load designed and implemented on a standard 0.35-m BiCMOS process. The tuning... more
A new design for an ultra-low power, low phase noise differential 10 GHz LC voltage-controlled oscillator (VCO) which is biased in the subthreshold regime, is presented in the 0.18 µm CMOS process, for the first time. The designed circuit... more
The objective of this paper is to develop a new design of a voltage controlled microwave oscillator by using the method of negative resistance in order to fabricate VCO with very good performance in terms of tuning rang, phase noise,... more
Intended Audience: Designers, researchers and test engineers interested in learning about the state-of-the-art in BIST methods and practices for complex systems-chips. With the emerging trend of designing core-based complex system-chips,... more
Phase-Locked Loops (PLLs) are versatile modules for synchronization and applications such as high-speed serial interfaces in System-on-Chips (SoCs). Their precisions are critical to proper functioning of the SoCs. Intermodule interference... more
A stand-alone wireless glucose-sensing system can be constructed by combining a biofuel cell and a transmitter that sends signals to the receiver using only the power generated in the biofuel cell without any external power source.... more
The design of sinusoidal oscillators has been an active area of research in the field of analog electronics. Particularly, oscillators capable of providing waveforms in phase quadrature and circuits capable of generating multip le phase... more
ABSTRACTA fully integrated dual‐band low noise amplifier (LNA) is presented. The proposed circuit combines a wideband input impedance matching with switched resonant circuits' loads at the output. As the tuning mechanism is placed at... more
An alternative numerical optimization method of large-signal equivalent-circuit diode modeling using dc and small-signal -parameter measurements is described. In general, there are two ways to extract the equivalent-circuit parameters to... more
Low-power continuous wave "cooker" magnetrons driven from industrial-quality switch-mode power supplies have been frequency locked by driving them as current-controlled oscillators in a phase-lock loop (PLL). The noise performance of... more
Separating the noise from data in a clustering process is an important issue in practical applications. Various algorithms, most of them based on density functions approaches, have been developed lately. The aim of this work is to analyze... more
A modified ring oscillator presented in this paper. The voltage control oscillator is designed and simulated in 50nm CMOS technology. The frequency of oscillation of the VCO is 2.6GHz with 0.064 mW power dissipation and the center drain... more
CMOS Phase-locked loops (PLL) are ubiquitous in RF and mixed-signal integrated circuits. A general comprehensive stochastic model of the power/ground (P/G) noise in VLSI circuits is presented. This is followed by calculation of the phase... more
In 2005 I highlighted the fact that the dominant cause of inter-station interference between most modern transceivers is band pollution from the transmitters [1 or 2]. While receivers have generally improved over the years, transmitters... more
Kegiatan pengkajian terdiri dari dua perlakuan dengan tiga kali ulangan. Produk yang telah dihasilkan, kemudian dianalisa secara fisik dan kimia serta data yang diperoleh dianalisa dengan T tes. Sedangkan uji organoleptik dianalisa secara... more
This paper presents the implementation of a multirate 155-, 622-, or 1244-Mbit/s transceiver for ATM and SDH/SONET in a 0.5-m BiCMOS. The internal high-speed clock generation is based on PLL's with 1.24-GHz VCO's. The solutions presented... more
New types of variable frequency sinewave oscillators are introduced which bring the most desirable linear tuning laws of the forms fo c Re, and fo oc Ce into the domain of sinusoidal oscillators. Two exemplary circuits are presented and... more
In this paper, we introduce a new structure of linear MEMS variable inductor which can be tuned using CCT method and we use a reticulated plate to varies the inductance. One of the advantages of this structure is a light weight relative... more
Development of Embedded Three-Dimensional 35nF/mm MIM Capacitor and BiCMOS Circuits Characterization
This paper summarizes the electrical characterization of MIM capacitor realized in three dimensions. Manufacturing of the device is described, as well as an electrical comparison of three dielectrics, Si3N4, Al2O3, Ta2O5 and two... more
In this paper, an 8GHz 16 th sub-harmonic Injection-Locked Oscillator based on LC-oscillators and pulse generators is presented. It has been fully implemented in a VLSI 65nm CMOS technology from STMicroelectronics and is dedicated to a... more
This paper presents theoretical and experimental results on phase noise of differential CMOS oscillators. A simple analytical expression is derived and verified by simulation which relates the phase noise including the device excess noise... more
A ring oscillator is an important circuit used to evaluate the performance limits of any digital technology. The advantages of Graphene field effect transistor (GFET) over current CMOS technologies make it a prominent candidate for future... more
Nusa Tenggara Barat (NTB) termasuk daerah penghasil buah kelapa yang potensial di Indonesia. Luas lahan produksi kelapa 59.387,09 ha dengan jumlah produksi sebesar 58.963,04 ton (BPS, 2018). Sebagian buah kelapa keadaan utuh dikirim... more
VCO is commonly used in time mode ADC to convert analog input voltage to time/phase information, where the time/phase information is subsequently converted to digital code using time-to-digital converter. Although high speed high... more
In this paper, FinFET devices are analyzed with emphasis on sub-threshold leakage current control. This is achieved through proper biasing of the back gate, and through the use of asymmetric work functions for the four terminal FinFET... more
A robust and scalable technique for measuring the output voltage of a band-gap reference (BGR) circuit is described. The proposed technique is based on an ADC architecture that uses a voltage controlled oscillator (VCO) for voltage to... more
In the present paper, parameterized Spice models are developed for the phase noise simulation. It is accomplished by a standard frequency and noise analysis for obtaining the noise factor using the noise sources, incorporated in the... more
This paper proposes a novel operational amplifier (OPA) voltage-controlled oscillator (VCO) circuits on the basis of impedance converters. The VCO can operate over a frequency range exceeding unity-gain bandwidth due to the location of... more
Electronic devices and circuits with negative differential resistance (NDR) are widely used in oscillators, memory devices, frequency multipliers, mixers, etc. Such devices and circuits usually have an N-, S-, or Λ-type current-voltage... more
Coconut (Cocos nucifera) has a strategic role for the people of Indonesia, considering that its product is one of the nine staples of society, namely coconut oil. One type of coconut oil that is beneficial for health and cosmetics is... more
VCO (virgin coconut oil) merupakan minyak kelapa murni atau sering disebut dengan minyak kelapa virgin. VCO sangat bermanfaat bagi kesehatan sebagai antioksi dan serta dapat menurunkan kolesterol HDL dalam darah serta sekaligus... more
Kelapa lokal (Cocos nucifera L.) merupakan produk unggul di Kalimantan Barat yang produksinya terus bertahan hingga sekarang, umumnya kelapa lokal masih diolah menjadi kopra dan minyak goreng, produk bernilai tambah baru kelapa telah... more
Operation of a 14 MHz micromechanical oscillator is demonstrated and analyzed. Single-crystal silicon microbridge with submicron electrode gaps is utilized as the resonator element. The oscillator shows a noise ¯oor of À120 dBc/Hz and a... more