A Single-Chip Electron Paramagnetic Resonance Transceiver in 0.13- m SiGe BiCMOS
... Fig. 4 presents the architecture of the fully integrated transceiver reported in this work. In the transmitter path, a differential voltage-controlled oscillator (VCO) generates a microwave signal with tunable frequency. The differential signal is amplified by a buffer following the VCO. It is then c ...
... Fig. 4 presents the architecture of the fully integrated transceiver reported in this work. In the transmitter path, a differential voltage-controlled oscillator (VCO) generates a microwave signal with tunable frequency. The differential signal is amplified by a buffer following the VCO. It is then c ...
The Numerical Modeling of Transient Regimes of Diesel Generator
... The proper operation of a diesel generator set is determined to a great extent by two main components, the speed regulator and the voltage regulator. The performance of these components are vital for the operation and utilization of diesel generator sets, their purpose being to precisely maintain th ...
... The proper operation of a diesel generator set is determined to a great extent by two main components, the speed regulator and the voltage regulator. The performance of these components are vital for the operation and utilization of diesel generator sets, their purpose being to precisely maintain th ...
A Fully-Integrated Reconfigurable Dual
... The rapid evolution of healthcare electronics [1]-[2], smart home [3] and machine-to-machine communications [4] leads to the prosperous development in short range wireless communication systems. In medical caring sensor networks for pre-hospital and ambulatory emergency care, wireless connectivity r ...
... The rapid evolution of healthcare electronics [1]-[2], smart home [3] and machine-to-machine communications [4] leads to the prosperous development in short range wireless communication systems. In medical caring sensor networks for pre-hospital and ambulatory emergency care, wireless connectivity r ...
chapter 3 - Portal UniMAP
... If the rotor of a motor is locked so that it cannot move, the rotor will have the same frequency as the stator. If the rotor turns at synchronous speed, the frequency on the rotor will be zero. For nm= 0 r/min & the rotor frequency fr = fe slip, s = 1 nm=nsync & the rotor frequency fr = 0 ...
... If the rotor of a motor is locked so that it cannot move, the rotor will have the same frequency as the stator. If the rotor turns at synchronous speed, the frequency on the rotor will be zero. For nm= 0 r/min & the rotor frequency fr = fe slip, s = 1 nm=nsync & the rotor frequency fr = 0 ...
Schottky Barrier Diode Video Detectors Application Note 923 I. Introduction
... This Application Note describes the characteristics of Hewlett-Packard Schottky Barrier Diodes intended for use in video detector or video receiver circuits, and discusses some design features of such circuits. Although a video receiver is typically 35 - 40 dB less sensitive than a heterodyne receiv ...
... This Application Note describes the characteristics of Hewlett-Packard Schottky Barrier Diodes intended for use in video detector or video receiver circuits, and discusses some design features of such circuits. Although a video receiver is typically 35 - 40 dB less sensitive than a heterodyne receiv ...
J.M. Rivas, Y. Han, O. Leitermann, A.D. Sagneri, and D.J. Perreault, A High-Frequency Resonant Inverter Topology with Low Voltage Stress,” IEEE Transactions on Power Electronics , Vol. 23, No. 4, pp. 1759-1771, July 2008.
... hurts efficiency, making this limitation a significant consideration. Of these two designs, the second harmonic class E has a higher allowable frequency limit for a given power throughput and device capacitance. However, both designs suffer from this tight tie between output power, capacitance, and ...
... hurts efficiency, making this limitation a significant consideration. Of these two designs, the second harmonic class E has a higher allowable frequency limit for a given power throughput and device capacitance. However, both designs suffer from this tight tie between output power, capacitance, and ...
Utility frequency
The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the frequency of the oscillations of alternating current (AC) in an electric power grid transmitted from a power plant to the end-user. In large parts of the world this is 50 Hz, although in the Americas and parts of Asia it is typically 60 Hz. Current usage by country or region is given in the list of mains power around the world.During the development of commercial electric power systems in the late 19th and early 20th centuries, many different frequencies (and voltages) had been used. Large investment in equipment at one frequency made standardization a slow process. However, as of the turn of the 21st century, places that now use the 50 Hz frequency tend to use 220–240 V, and those that now use 60 Hz tend to use 100–127 V. Both frequencies coexist today (Japan uses both) with no great technical reason to prefer one over the other and no apparent desire for complete worldwide standardization.Unless specified by the manufacturer to operate on both 50 and 60 Hz, appliances may not operate efficiently or even safely if used on anything other than the intended frequency.