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338  Articles
1 of 35 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

A 10 W class-E RF power amplifier (PA) is designed and fabricated using a Cree GaN HEMT. The proposed PA uses an innovative input circuit to optimize band with. At 2.45 GHz the PA achieves a PAE of 60 % at an outputpower of 40 dBm. The resulting amplifier... see more

Amplifier is used as an input waveform amplifier by increasing the voltage using an IC power supply. TDA2030 is an amplifier IC with an Output Transformer Less (OTL) type. The amplifier can operate with a voltage of 12 Volt, 1.5 Ampere. The circuit design... see more

This paper demonstrate how to construct an advanced yet low cost remote lab for experiments for an module in analogue electronics at an electrical engineering course at second year bachelor level. The remote lab is designed for running experiments on a no... see more

In this paper a remote laboratory setup for conducting experiments on a class B/AB power amplifier is presented, addressing the problems related to running experiments requiring temperature matching between transistors and bias diodes, in order to avoid t... see more

This paper presents the design, simulation, and characterization of a novel low-noise amplifier (LNA) and active mixer for intelligent transportation system applications. A low noise amplifier is the key component of RF receiver systems. Design, simulatio... see more

We present a new transimpedance amplifier (TIA) design possessing an improved bandwidth. This TIA employs a parallel combination of two series resonate circuits with different resonate frequencies on the conventional regulated common gate (RGC) architectu... see more

Unipolar PWM control technique carried out by comparing triangular wave with two control voltages. The resulting pulses are used to control H-Bridge circuit. The technique can be done by using the functions of the operational amplifier. There are three ma... see more

Amplifier konvensional melibatkan jalur power supply (ground) yang berhubungan dengan jalur audio. Hal ini mengakibatkan pengolahan sinyal audio akan muncul IHM (Interval Hum Modulation) noise. Oleh karena itu, untuk dapat menekan timbulnya noise seminima... see more

1 of 35 pages  |  10  records  |  more records»