Voltage Controlled Oscillator

Part 2 book "Designing bipolar transistor radio frequency integrated circuits" included contents: Power amplifier design; designing multistage amplifiers; mixer modulator design; frequency multiplier design; voltage controlled oscillator design; layout design strategies; RFIC Economics.

186p dianmotminh04 12-07-2024 0 0   Download

Part 1 book "The electric power engineering handbook - Power system stability and control" includes content: Transformer protection, the protection of synchronous generators, transmission line protection, system protection, digital relaying, use of oscillograph records to analyze system performance, systems aspects of large blackouts, ower system stability, transient stability, small signal stability and power system oscillations, voltage stability, direct stability methods, power system stability controls.

211p dianmotminh03 17-06-2024 1 0   Download

Part 2 book "Energy systems - Intelligent solutions for electricity transmission and distribution networks" includes content: A robust iterative learning control algorithm for uncertain power systems; damping of power system oscillations with optimal regulator; design of three phase LCL filter for grid connected pwm voltage source inverter using bacteria foraging optimization; real time monitoring of incipient faults in power transformer; advanced short circuit analysis for the assessment of voltage sag characteristics,... and other contents.

162p dianmotminh03 11-06-2024 5 2   Download

Part 1 book "Power system stability and control" includes content: Power system stability and control, the protection of synchronous generators; transmission line protection; system protection; digital relaying; use of oscillograph records to analyze system performance; transient stability; small signal stability and power system oscillations; voltage stability.

155p dianmotminh01 20-05-2024 3 2   Download

Bài báo "Mạch phát hiện mất khóa cải tiến cho mạch CDR dải rộng trên công nghệ CMOS 28nm" đề xuất mạch LoLD sẽ kiểm tra mối quan hệ giữa tốc độ dữ liệu đầu vào mới và tần số của mạch dao động điều khiển bằng điện áp (Voltage-Controlled Oscillator: VCO) để quyết định trạng thái làm việc tiếp theo cho mạch FD mà không reset ngay mạch FD về trạng thái ban đầu. Mạch LoLD đề xuất cho mạch CDR dải rộng được thiết kế trên công nghệ CMOS 28 nm.

4p phocuuvan0201 02-02-2024 6 1   Download

Voltage controlled oscillator (VCO) is one of the most important basic blocks for analog, digital as well as in mixed signal circuits. This paper presents a new technique to improve the performance of ring oscillators. A VCO with large tuning range and variable duty cycle is designed using 90nm complementary metal-oxide-semiconductor (CMOS) technology with supply voltage of 1.8Vp-p.

4p vifalcon 16-05-2023 7 2   Download

Single electron transistor (SET) is a key element in current research area of nanoelectronics and nano-technology, which can offer nano-feature size, low power consumption, high operating speed and high-density integration. SET is a new nano-scale switching device; it can control the motion of the single electron and its operation is based on the tunneling effect.

10p vidoctorstrange 06-05-2023 2 1   Download

Mạch dao động điều khiển bằng điện áp (VCO) từ 0,1 đến 1,65 GHz trên công nghệ CMOS 180 nm trình bày về thiết kế mạch tạo dao động điều khiển bằng điện áp (Voltage Controlled Oscillator: VCO) ứng dụng cho các mạch khôi phục dữ liệu và xung đồng hồ dải rộng trong các hệ thống thông tin nối tiếp tốc độ cao.

8p vimalfoy 08-02-2023 12 1   Download

Lecture Analog electronics circuit. After completing this section, you will understand knowledge about: field effect transistor, biasing of BJTS, biasing of FETS and MOSFETS, small signal analysis of BJTS, small signal analysis of FETS, high frequency response of FETS and BJTS, feedback and oscillators, operational amplifiers,...

145p bachkhinhdaluu 03-12-2021 10 1   Download

A novel control scheme for power converters of doubly-fed induction generator (DFIG) wind turbine system has been proposed to mitigate the current oscillations due to grid voltage unbalance. With this proposed scheme, the current controller is designed in the synchronous reference frame and composed of a proportional integral (PI) controller and a repetitive controller. Thus, the proposed controller gives better performance of the DFIG wind turbine system, compared with the existing dual PI one.

10p kequaidan8 02-11-2020 16 1   Download

Single electron transistor (SET) is a key element in current research area of nanoelectronics and nanotechnology which can offer nano-feature size, low power consumption and high operating speed. SET is a new nanoscale switching device. It can control the motion of the single electron. The goal of this paper is to discuss about some physical properties of the SET and focuses on simulation of basic quantum device characteristics such as tunneling effect, Coulomb blockage, Quantum dot, Coulomb staircase, and Coulomb oscillation.

8p gildur 30-11-2019 29 0   Download

Agenda: Positive feedback oscillator concepts, negative resistance oscillator concepts (typically employed for RF oscillator), equivalence between positive feedback and negative resistance oscillator theory, oscillator start-up requirement and transient, oscillator design - Making an amplifier circuit unstable, constant |Γ1| circle, fixed frequency oscillator design, voltage-controlled oscillator design.

49p bko123 19-02-2017 53 2   Download

Lecture "Radio Communication Circuits: Chapter 5&6" presents the following contents: RF Filters, Oscillators and Frequency Synthesizers (RF Oscilators, Voltage-Controlled Oscillators (VCO); Phase-Locked Loops (PLLs) and Applications). Invite you to consult.

65p doinhugiobay_12 15-01-2016 42 3   Download

In the latest years much research effort was devoted to envision a new paradigm for wireless transmission. Results from recent works (Wireless Word Research Forum, 2005) indicate that a possible solution would lie in utilizing in a more efficient manner the diverse Radio Access Technologies1 (RATs) that are available nowadays, with the purpose of enabling interoperability among them and convergence into one global telecom infrastructure (beyond 3G).

156p namde01 11-04-2013 63 11   Download

In the latest years much research effort was devoted to envision a new paradigm for wireless transmission. Results from recent works (Wireless Word Research Forum, 2005) indicate that a possible solution would lie in utilizing in a more efficient manner the diverse Radio Access Technologies1 (RATs) that are available nowadays, with the purpose of enabling interoperability among them and convergence into one global telecom infrastructure (beyond 3G).

0p wqwqwqwqwq 06-07-2012 101 12   Download

OSCILLATOR DESIGN Oscillator circuits are used for generating the periodic signals that are needed in various applications. These circuits convert a part of dc power into the periodic output and do not require a periodic signal as input. This chapter begins with the basic principle of sinusoidal oscillator circuits. Several transistor circuits are subsequently analyzed in order to establish their design procedures.

64p vaseline 30-08-2010 91 16   Download

The phase locked loop is a feedback system comprised of a phase comparator, a low pass filter and error amplifier in the forward signal path and a voltage-controlled oscillator (VC0) in the feedback path. The block diagram of a basic PLL system is shown. Perhaps the single most important point to realize when designing with the PLL is that it is a feedback system and, hence, is characterized mathematically by the same questions that apply to other, more conventional feedback systems.

20p longtuyenthon 27-01-2010 129 31   Download