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206.847  Articles
1 of 20.686 pages  |  10  records  |  more records»
Modern mobile communication signals require power amplifiers able to maintain very high efficiency in a wide range of output power levels, which is a major issue for classical power amplifier architectures. Following the load-modulation approach, efficien... see more

 Efficient power amplifiers are essential in portable battery-operated systems such as mobile phones. Also, the power amplifier (PA) is the most power-consuming building block in the transmitter of a portable system. This paper investigates how the e... see more

High gain, wide bandwidth, low noise, and low-power transimpedance amplifiers based on new BiCMOS common- base topologies have been designed for fiber-optic receivers. In particular a design approach, hereafter called "A more- FET approach", added a new d... see more

Due to the advantages of zero-voltage-switching (ZVS) and zero-current-switching (ZCS), LCLC resonant converters are universally applied in two-stage electronic power conditioners (EPCs) of space travelling-wave tube amplifiers (TWTAs). In two-stage EPCs,... see more

To read the data from the memory in each of the devices is crucial. In the modern-day VLSI, world need high-speed devices to satisfy the demand for application such as the Internet of Things (IoT) and System on Chip (Soc). We have implemented the differen... see more

The next-generation wireless communication systems including satellite, radar, and mobile communications need application-specific power amplifiers that can operate at very high frequencies and high power with the overall minimum power consumption from th... see more

One of the best-known cyber attacks, distributed denial of service (DDoS), is evolving. It has become much more malefic and effective with the use of amplification power of reflected messages. This attack is known as the distributed reflected denial of se... see more

A modified alternative signal technique for reducing peak-to-average power ratio (PAPR) in orthogonal frequency division multiplexing systems employing offset quadrature amplitude modulation (OFDM-OQAM) is proposed. Lower PAPR reduces the complexity of di... see more

Since the increasing front part of incident microwave pulses may pass through plasma limiter before it generates plasma (the breakdown time of low pressure Xe in plasma limiter is 10 ns), single plasma limiters are not adequate for protecting sensitive el... see more

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